Product Testing darkening of the product making it unacceptable for use as a frozen dessert. Most of the product was baked with Advance sampling of the product by both adults and brown sugar and butter, as suggested in the insert sheets. students suggested that the sherbet-like texture and flavor However, some managers used the product in baking produced a product that could be served as a frozen dessert. plantains cakes and cookies. Other studies showed that when the product was baked The plantain product was introduced into the. school with brown sugar and butter its texture and flavor was systems without advance publicity except for 2 schools in much like a cooked peach. With this in mind, insert sheets Tampa and 1 in New York City. Overall, the student re were placed in each box suggesting that the product could sponse was good with the acceptance rate ranging from be served either as a frozen dessert or as a cooked fruit. 26% to 73%. According to the food service directors, the Three school systems were chosen to participate in overall acceptance rate was higher than normal for a vege testing the product. They were: New York City, Tampa, table or fruit. All three school systems indicated that they Fla., and Ft. Lauderdale, Fla. These systems provided would liketo have the product again. students with varying ethnic backgrounds. Both Tampa and New York City have large Latin enrollments. Ft. Lauderdale has a very limited Latin enrollment. The total Literature Cited number of servings shipped to the three school systems was approximately 620,000; enough for each student to have 1. Joglar, J. A. 1980. Personal communication. Agricultural Develop at least one serving. ment Administration. Puerto Rico Department of Agriculture. 2. Lutz, J. M. and R. E. Hardenburg. 1968. The commercial storage The plantain product was served to students in Tampa of fruits, vegetables, and florist and nursery stocks. U.S. Depart during November, 1980, in Ft. Lauderdale during De ment of Agriculture Handbook No. 66. 94 p. cember and in New York City during the first week of 3. Seelig, R. A. 1969. Fruit and vegetables facts and pointers—bananas. January, 1981. In Tampa and New York City the product United Fresh Fruit and Vegetable Association. 37 p. was served as a frozen dessert. However, the servings 4. Shepherd, K. 1970. A survey of major banana cultivars. Proc. Florida State Hort. Soc. 83:341-345. shipped to the Ft. Lauderdale schools has gone through 5. United Fruit Sales Corporation. 1964. Banana ripening manual. a thaw and refreeze during transit and there was some United Fruit Sales Corp. 32 p.

Proc. Fla. State Hort. Soc. 94:311-317. 1981.

HOSTS OF CEPHALEUROS, A PARASITIC ALGA IN FLORIDA1

R. B. Marlatt areas from North Carolina to Argentina (11), and ten of University of Florida, I FAS, 145 hosts were reported for Louisiana (2). Agricultural Research and Education Center, Cephaleuros is one of the green ; its vegetative 18905 S.W. 280 St., stage is a circular, flat, green thallus. The alga usually Homestead, FL 33031 occurs on a leafs upper surface just beneath the cuticle. Microscopic examination reveals a thallus made of flat, short, S. A. Alfieri, Jr. closely crowded, branched filaments covering irregularly Division of Plant Industry, branched rhizoids. The alga is often mistakenly called "red Florida Department of Agriculture and Consumer Services, rust" because erect, yellow to red filaments and fruiting Gainesville, FL 32602 bodies arise from the thallus surface. Infected branches bear the erect filaments, but thalli are usually not obvious. Some Additionalindex words, plant disease, phytopathology. fruits have surface infections which may occur in shallow depressions, which are formed when infected areas of the Abstract. This extensive list of hosts of the pathogenic fruit surface fail to grow as the fruit enlarges. alga, Cephaleuros sp., in Florida combines a list recently The following list of hosts includes the plant parts in published in the journal Plant Disease with hosts that are jured by the alga, when described by the observer, and dis recorded in the 1975 Index of Plant Diseases in Florida. This tinguishes unaffected hosts from damaged ones. The general latest list contains a total of 165 species and cultivars found geographical distribution is indicated by the counties in in 53 plant families, including broadleaf plants, a grass, which a host was found, and the number of times hosts palms, cycads, and ferns. The alga was found on stems, were reported from a county (Fig. 1). leaves and fruits, and 34 hosts were obviously damaged The majority of specimens bearing the alga were sent by the alga. to the Florida Department of Agriculture and Consumer Services. The alga was identified by plant pathologists, and Cephaleuros Kunze is the most damaging of several algae the hosts' latest nomenclature was provided by K. R. which live on or in vascular plants. Batista and Lima (1) Langdon, Systematic Botanist and Carlos R. Artaud, listed 448 hosts of the alga in Pernambuco, Brazil. How Biologist, Division of Plant Industry. Their help is grate ever, they did not describe any damage caused by the fully acknowledged. Other sources of information included pathogen nor the host parts affected. Cephaleuros has been bulletins, journals, and observations of the authors. reported on hosts in Africa, Asia, and Australia (3). The This extensive list of Cephaleuros hosts in Florida alga occurs on cultivated and wild plants in neotropical reveals the great diversity of 165 species and cultivars in 53 families including broadleaf plants, a grass, palms, cycads,

iFlorida Agricultural Experiment Stations Journal Series No. 3221. and ferns. Algal thalli were found on fruits, stems, and Contribution No. 511, Bureau of Plant Pathology, DPI. leaves (Fig. 2-5). Very obvious injuries were exhibited on 34

Proc. Fla. State Hort. Soc. 94: 1981. 311 Fig.1. Map ofFlorida showing numbers of Cephaleuros specimens receivedfrom 39 counties. hosts,including bark cracks, constriction orswelling of branches,anddeath ofthe entire leaftissue under athallus.

Hostinjury was assumed to be dueto the alga, but no pathogenicitytestswere performed. Suchtests must await theproduction ofaxenic cultures ofFlorida's Cephaleuros sp.

AlthoughCephaleuros virescens is the binomial commonlygiven for the alga in Florida, thetaxonomy of thegenus has not been studied here. Therefore, these

Floridapathogens will be referred toas Cephaleuros sp. untiltheir isclarified. Fig.2. Lime leaf with its nearly black, small alga spots, which are

In thefollowing list,plant families andtheir genera typicalon thishost. arearranged alphabetically, followedby the host's common nameand the plant part upon which the alga was found, laboratorybyplant inspectors notengaged ina systematic ifrecorded. An asterisk after the plant partindicates ob collectionof Cephaleruos, thenumber of specimens re vioushost injury. Ifthe counties inwhich a host was found ceivedfrom a countymay reflectmore than the alga's areknown, they are listed last. relativeoccurrence. Itcould also reflect inspection efficiency

Lessinclusive lists of hostsin Floridahave been andinterests ofnurserymen andhomeowners. Cephaleuros published(6,10); the following listcombines them and couldbe expected tooccur throughout therange of a host locatesthenumber of Cephaleuros reports by county on a inFlorida, even though itwas collected inonly one county. statemap (Fig.1).

Discussion CEPHALEUROSHOSTS IN FLORIDA

Symptomsonguava leaves inFlorida differ considerably ACANTHACEAE inappearance andseverity from symptoms on mostother

hosts(7, 8). Thalli on limeleaves arerestricted insize and Justiciaghiesbreghtiana Lem.;jacobinia. Stem.

havea muchmore irregular surface than thalli on many County:Hillsborough.

Thunbergiagrandiflora (Roxb. ex Rottl.)Roxb.; clock- hosts.Itis possible thatthe occurrence ofmore than one

Cephaleurosspecies inFlorida accounts forthese variations. vine.Leaf.

Sincemost of the specimens recorded were sent to a County:Seminole.

Proc.Fla. Slate Hort. Soc. 94: 1981. 312 Fig. 4. Upper side of guava leaf has alga spots with no sign of the alga's thallus. Fig. 3. Jambolan plum with large, light colored alga spots. County: Dade. ACERACEAE C. grandiflora (E. H. Mey.) A. DC; Natal plum. Leaf. County: Lee. Acer sp.; maple. Stem. Neriuni oleander L.; oleander. Leaf. County: Hillsborough. Counties: Seminole, Volusia. Tabernaemoniana divaricata (L.) R. Br.; crape jasmine (12). ANACARDIACEAE Trachelospermum jasminoides (Lindl.) Lem.; confederate jasmine. Leaf. Anacardium occidentale L.; cashew. Leaf. Counties: Baker, Volusia. County: Broward. Mangifera indica L.; mango. Leaf. AQUIFOLIACEAE Counties: Broward, Dade, St. Lucie. Metopiurn toxiferuni (L.) Krug & Urban; poisonwood. Leaf. Ilex cassine L.; clahoon holly. Leaf*. County. Dade. Counties: Orange, Polk. /. cornuta Lindl. Sc Paxt.; Chinese holly. Stem*. Counties: Alachua, Baker, Orange, Seminole. APOCYNACEAE /. cornuta Lindl. Sc Paxt. 'Burfordii'; Burford holly. Leaf*, Carissa car an das L.; karanda. Leaf. Stem*.

Proc. Fla. State Hort. Soc. 94: 1981. 313 Counties: Dade, Palm Beach. Philodendron radiatum Schott; Dubia philodendron. Leaf. County: Dade. Spathiphyllum sp.; spathe flower. Counties: Broward, Dade.

ARALIACEAE

Brassaia actinophylla Endl.; schefflera. Leaf. Counties: Brevard, Broward, Dade, Hillsborough, Indian River, Orange, Palm Beach, Polk, St. Lucie, Volusia. Fatshedera lizei (Cochet) Guillaum.; fatshedera. Leaf. County: Seminole. Hedera helix L.; English ivy. Leaf. County: Hillsborough.

BERBERIDACEAE

Mahonia nervosa (Pursh) Nutt.; Oregon grape. Leaf. Counties: Hillsborough, Volusia.

BIGNONIACEAE

Tabebuia pentaphylla (L.) Hemsl.; trumpet tree. Leaf. County: Dade.

BIXACEAE

Bixa ore liana L.; annatto-tree. Stem* (9).

BOMBACACEAE

Pachira aquatica Aubl.; Guiana chestnut. County: Dade.

BORAGINACEAE

Cordia obliqua Willd.; cordia. Leaf. County: Broward.

CAPRIFOLIACEAE

Viburnum odoratissimum Ker-Gawl.; sweet viburnum. Leaf. Counties: Brevard, Hillsborough, Seminole. V. suspensum Lindl.; viburnum. Leaf. Counties: Alachua, Hillsborough, Palm Beach, Volusia. V. tinusL,.; laurustinus (12). Viburnum sp.; viburnum. Leaf. Counties: Brevard, Volusia.

COMBRETACEAE Fig. 5. Underside of guava leaf has alga spots that bear the alga's thallus and fruiting bodies. Bucida buceras L.; black olive. Leaf. County: Palm Beach. Counties: Hillsborough, Orange, Volusia. /. crenata Thunb.; Japanese holly. Leaf. CORNACEAE Counties: Baker, Polk. /. opaca Ait.; American holly. Leaf*. Aucuba japonica Thunb. 'Variegata'; gold-dust tree. Leaf. Counties: Alachua, Orange, Hillsborough. Counties: Baker, Volusia. /. rotunda Thunb.; round holly, Kurogane holly. Leaf. County: Seminole. CUPRESSACEAE Ilex sp.; Florida wild holly. Leaf, Stem*. Counties: Hillsborough, Orange, Polk. Juniperus sp.; juniper. Leaf. County: Seminole. ARACEAE CYCADACEAE Aglaonema sp.; algaonema. Leaf. Counties: Dade, Orange. Zamia furfuracea L. f.; Jamaica sago-palm. Leaf. Anthurium andraeanum Lind.; flamingo lily. Leaf. Counties: Alachua, Dade. County: Orange. Z. integrifolia Ait.; coontie. Leaf. Monstera deliciosa Liebm.; ceriman. Leaf. County: Dade.

314 Proc. Fla. State Hort. Soc. 94: 1981. EBENACEAE A.lebbeck (L.) Benth.; lebbek. Stem (9). Calliandra sp.; powderpuff. Leaf. Diospyros kaki L. £.; Japanese persimmon. Stem. (9). County: Dade. Pongamia pinnata (L.) Pierre; pongam, karum tree. ERICACEAE Stem (9). Arbutus unedo L.; strawberry tree. Leaf. Wisteria sinensis (Sims) Sweet; Chinese wisteria. Stem. County: Hillsborough. Counties: Duval, Hillsborough. Rhododendron indicum (L.) Sweet; azalea. Leaf*. County: Polk. LILIACEAE Rhododendron sp.; azalea. Leaf#, Stem*. Sansevieria zeylanica (L.) Willd.; sansevieria. Leaf. Counties: Dade, Hillsborough, Manatee. Vaccinium ashei Reade; rabbit-eye blueberry. Leaf, Stem*. County: Orange. County: Alachua. LYTHRACEAE EUPHORBIACEAE Lagerstroemia indica. 'Far East'; crape myrtle. Leaf. Antidesma bunius (L.) K. Spreng.; bignay, Chinese laurel. County: Alachua. Leaf. County: Palm Beach. MAGNOLIACEAE Bischofia javanica Blume; bishopwood tree. Leaf. Counties: Broward, Dade, Lee, Palm Beach, Polk. Magnolia grandiflora L.; magnolia. Leaf*. Codiaeum variegatum (L.) Blume var. pictum (Lodd.) Counties: Alachua, Baker, Brevard, Broward, DeSoto, Mull. Arg.; croton. Leaf. Duval, Hernando, Hillsborough, Indian River, Lee, County: Collier. Leon, Liberty, Manatee, Orange, Pasco, Pinellas, Polk, Putnam, Sarasota, Seminole, Suwannee, Volusia. M. x soulangeana Soul.-Bod.; Japanese magnolia, saucer FAGACEAE magnolia. Leaf. Quercus glauca Thunb.; ring-cupped oak. Leaf. County: Volusia. County: Hillsborough. M. virginiana L.; Sweet bay. Q. virginiana Mill.; live oak. Leaf. County: Alachua, Polk. County: Seminole. Michelia figo (Lour.) K. Spreng.; banana shrub. Leaf*. Quercus sp.; oak. Leaf. County: Volusia. County: Jefferson. MALPIGHIACEAE FLACOURTIACEAE Bunchosia lanceolata Turcz.; bunchosia. Flacourtia indica (Burm. f.) Merr.; governor's plum. Leaf. Malpighia glabra L.; Barbados cherry. Leaf. County: Dade. County: Martin.

GRAMINEAE MALVACEAE Bambusa sp.; bamboo. Stem. Hibiscus rosa-sinensis L.; hibiscus. Leaf. Counties: Dade, Monroe. County: Hillsborough. H. tiliaceus L.; mahoe. Leaf. JUGLANDACEAE County: Dade. Carya illinoi?iensis (Wang.) C. Koch; pecan. Stem. (9). MORACEAE LABIATAE Ficus benghalensis L.; banyan. Leaf. Thymus sp.; thyme. Leaf. County: Palm Beach. County: Dade. F. benjamina L.; weeping fig. Leaf. County: Palm Beach. F. elastica Roxb. ex Hornem.; rubber plant. Leaf. LAURACEAE County: Brevard. Cinnamomum camphora (L.) J. Presl; camphor tree. Leaf. F. elastica Roxb. ex Hornem. 'Decora' rubber plant. Leaf. County: Orange. Counties: Dade, Polk. C. zeylanicum Blume; cinnamon (12). F. pumila L.; creeping fig. Leaf. Nectandra coriacea (Sw.) Griseb.; lancewood. Leaf. Counties: Orange, Palm Beach. County: Dade. F. retusa L.; Chinese banyan, Indian laurel, Cuban laurel. Persea americana Mill.; avocado. Leaf. Leaf. Counties: Baker, Broward, Dade, Hendry, Hillsborough, Counties: Lee, Palm Beach. Lake, Palm Beach, Polk, Volusia. F. triangularisWarb.; triangle fig. Leaf. County: Alachua.

LEGUMINOSAE MYRICACEAE Acacia auriculiformis A. Cunn. ex Benth.; acacia. Stem* (9)-.. Myrica cerifera L.; wax myrtle. Stem. Albizia brownii Walp.; albizzia. Stem (9). County: Hillsborough. A. chinensis (Osb.) Merr.; woman's tongue. Stem (9). M. faya Ait.; candleberry myrtle. Stem* (9).

Proc. Fla. State Hort. Soc. 94: 1981. 315 MYRSINACEAE Counties: Dade, Indian River. C. uvifera (L.) L.; sea grape. Leaf*. Ardisia crenata Sims; coral berry. Counties: Brevard, Dade. A. crispa (Thunb.) A. DC; ardisia (12).

MYRTACEAE POLYPODIACEAE

Callistemon sp.; bottlebrush. Leaf. Cyrtomium falcatum (L.f.) K. Presl; holly-fern. Leaf. Counties: Broward, Dade. County: Gilchrist. Eugenia uniflora L.; Surinam cherry. Leaf. Platycerium bifurcatum (Cav.) C. Chr.; staghorn fern. Counties: Palm Beach, Seminole. Leaf. Eugenia sp.; Leaf. Counties: Dade, Lee. Counties: Brevard, Hendry. P. hillii T. Moore; elk's-horn fern. Leaf. Feijoa sellowiana O. Berg.; feijoa, pineapple guava. Leaf. County: Dade. Counties: Alachua, Hillsborough, Jefferson, Orange. P. vassei Poiss.; staghorn fern. Leaf. Melalenca quinquenervia (Cav.) S. T. Blake; punk tree. County: Dade. Leaf. P. veitchii (Underw.) C. Chr.; staghorn fern. Leaf. Counties: Baker, Broward, Hendry, Lee, Leon, Counties: Dade, Lee. Okeechobee, Polk, St. Johns, Volusia. Myrciaria cauliflora (DC.) O. Berg.; jaboticaba. Leaf. PROTEACEAE County: Polk. Grevillea robusta A. Cunn.; silk oak (9). Psidium cattleianum Sabine; strawberry guava. Leaf. Macadamia integrifolia Maid. 8c Betche; macadamia nut. County: Volusia. Leaf. P. gnajava L.; guava. Leaf*, Fruit*. County: Lake. Counties: Dade, Indian River, Lee. Rhodomyrtus tomentosa (Ait.) Hassk.; downy myrtle. Leaf. Counties: Collier, Orange. RHAMNACEAE Syzygium cumini (L.) Skeels; Jambolan plum. Leaf#. Hovenia dulcis Thunb.; Japanese raisin tree (9). Counties: Lee, Palm Beach. Ziziphns manritiana Lam.; Indian jujube (9).

NYCTAGINACEAE ROSACEAE Bougainvillea glabra Choisy; bougainvillea. Leaf. County: Seminole. Chrysobalanus icaco L.; cocoplum, Leaf. Chionanthus virginicus L.; fringe tree (12). Counties: Broward, Dade. Jasminum grandiflorum L.; Spanish jasmine (12). Eriobotrya japonica (Thunb.) Lindl.; loquat. Leaf. Jasminwn sp.; jasmine. Leaf. County: Hillsborough. County: Dade. Malus sylvestris Mill.; apple. Stem. Ligustrum japonicum Thunb.; Japanese privet. Leaf. County: Hillsborough. Counties: Alachua, Polk. Photinia sp.; photinia. Leaf. L. lucidum Ait.; Chinese privet (12). County: Volusia. Ligustrum sp.; Leaf. Pyracantha coccinea M. J. Roem.; firethorn. Stem. Counties: Baker, Hillsborough, Pinellas. County: Hillsborough. Osmanthus heterophyllus (G. Don) P. S. Green; holly Raphiolepis indica (L.) Lindl.; India-hawthorn. Leaf. County: Baker. osmanthus. Leaf. Counties: Alachua, Hillsborough. Rubus sp. 'Brazos'; Brazos blackberry. Stem. County: St. Lucie.

ORCHIDACEAE RUBIACEAE Cattleya sp.; orchid. Leaf. County: Palm Beach. Gardenia jasminoides Ellis; gardenia. Leaf. County: Palm Beach. PALMAE Genipa clusiifolia (Jacq.) Griseb.; seven-year apple. Leaf. County: Dade. Butia capitata (Mart.) Becc; pindo palm. Leaf. Ixora coccinea L.; ixora. Leaf. County: Alachua. County: Dade. Sabal palmetto (Walt.) Lodd. ex Schult. & Schult. f.; cabbage palm. Leaf. County: Marion. RUTACEAE

Citrus aurantifolia (Christm.) Swingle 'Tahiti'; Persian PIPERACEAE lime. Leaf*, Stem*. Peperomia obtusifolia (L.) A. Dietr.; peperomia. Leaf. Counties: Brevard, Broward, Collier, Dade, Hendry, County: Volusia. Highlands, Hillsborough, Indian River, Lee, Manatee, Orange, Osceola, Palm Beach, Pasco, Seminole, PLATANACEAE Volusia. C. aurantifolia (Christm.) Swingle; key lime. Leaf*. Platanus occidentalis L.; sycamore. Stem*. County: Dade. County: Hillsborough. C. limon (L.) Burm. f.; lemon. Leaf*. POLYGONACEAE Counties: Broward, Dade, Hendry, Highlands, Hillsborough, Lee, Palm Beach, Pinellas, Polk. Coccoloba diversifolia Jacq.; pigeon-plum. Leaf*. C. limon (L.) Burm. f. 'Meyer'; Meyer lemon. Stem* (5).

316 Proc. Fla. State Hort. Soc. 94: 1981. C. Union (L.) Burm. f. 'Rough'; rough lemon. Stem*. THEACEAE County: Dade. Camellia japonica L.; camellia. Leaf*. C. maxima (Burm.) Merrill; pummelo (12). Counties: Alachua, Baker, Bradford, Brevard, Clay, C. x nobilis Lour. 'Temple'; temple orange. Stem*. DeSoto, Duval, Escambia, Hardee, Hernando, Hills County: Polk. borough, Jefferson, Lake, Leon, Manatee, Marion, C. x paradisi MacL; grapefruit. Leaf*, Stem*. Nassau, Okaloosa, Orange, Pasco, Pinellas, Polk, Counties: Dade, Hardee, Highlands, Indian River, Lee, Putnam, Seminole, Suwannee, Union, Volusia. Polk, St. Lucie. C. sasanqua Thunb.; sasanqua camellia. Leaf. C. reticulata Blanco; tangerine. Counties: Alachua, Baker, Dade, Hillsborough, County: Manatee. Jefferson, Leon, Orange, Pasco, Pinellas, Polk, C. reticulata Blanco 'Lee'; tangerine. Stem* (4). Volusia. C. reticulata Blanco 'Osceola'; tangerine. Stem* (4). Camellia sp. Leaf. C. reticulata Blanco 'Robinson'; tangerine. Stem* (4). County: St. Johns. C. sinensis (L.) Osbeck 'Hamlin'; sweet orange. Leaf. Cleyera japonica Thunb.; sakaki Leaf. County: Hillsborough. County: Baker. C. sinensis (L.) Osbeck 'Page'; sweet orange. Stem*. Gordonia lasianthus (L.) Ellis: loblolly bay. Leaf. County: Hillsborough. Counties: Hillsborough, Volusia. C. sinensis (L.) Osbeck 'Parson Brown'; sweet orange. County: Hillsborough. C. sinensis (L.) Osbeck 'Queen Pineapple'; sweet orange. VERBENACEAE Stem*. Avicennia germinans (L.); black mangrove. Leaf. County: Dade. County: Lee. C. sinensis (L.) Osbeck 'Valencia'; sweet orange. Leaf*, Stem*. ZINGIBERACEAE Counties: Broward, Dade, Hardee, Highlands, Hills borough, Lee, Manatee, Orange, Pinellas, Polk, Alpinia zerumbet (Pers.) B. L. Burtt & R. M. Sm.; shell Sarasota. ginger. Leaf. Citrus sp. Leaf*, Stem*. County: Dade. Counties: Collier, Dade, DeSoto, Hardee, Hendry, Highlands, Hillsborough, Madison, Polk, St. Lucie, Literature Cited Seminole. Fortunella margarita, (Lour.) Swingle, oval kumquat, 1. Batista, A. C, and D. A. Lima. 1949. Lista dc suscetiveis de alga Cephaleuros mycoidea Karst. em Pernambuco. (Host list of the Nagami kumquat (9). alga, Cephaleuros mycoidea Karst., in Pernambuco.). Indus, e Zanthoxylum fagara (L.) Sarg.; wild lime. Leaf. Com. B. 16:32-46. County: Indian River. 2. Holcomb, G. E. 1976. Economically important hosts susceptible to stem infections by the alga . (Abstr.) Proc. Amer. Phytopathol. Soc. 3:337. SAPINDACEAE 3. Joubert, J. J., and F. H. J. Rijkenberg. 1971. Parasitic . Annu. Rev. Phytopathol. 9:45-64. Euphoria longan (Lour.) Steud.; longan. Leaf*. 4. Knorr, L. C. 1964. A suggestion that the Lee tangerine may be Counties: Dade, Palm Beach. hypersensitive to Cephaleuros virescens. Plant Dis. Reptr. 48:478- Litchi chinensis Sonn.; litchi, leechee, Leaf. 479. 5. , R. F. Suit, and E. P. Ducharme. 1957. Handbook of Counties: Dade, Polk, Sarasota. citrus diseases of Florida. Fla. Agr. Exp. Sla. Bui. 587, Univ. of Melicoccus bijugatus Jacq.; Spanish lime. Leaf. Fla., Gainesville, 157 p. County: Dade. 6. Marlatt, R. B., and S. A. Alfieri, Jr. 1981. Hosts of a parasitic alga, Cephaleuros Kunze, in Florida. Plant Disease 65:520-522. 7. , and C. W. Campbell. 1980. Susceptibility of Psidium SAPOTACEAE guajava selections to injury by Cephaleuros sp. Plant Disease 64:1010-1011. Chrysophyllum cainito L.; star-apple. Leaf. 8. , and . 1980. Incidence of algal disease Counties: Dade, Lee. (Cephaleuros sp.) in selections of guava (Psidium guajava). Proc, C. oliviforme( L.; satinleaf. Leaf. Fla. State Hort. Soc. 93:109-110. 9. Ruehle, G. D. 1936. An epiphytotic of algal spot in South Florida. Counties: Dade, Lee. Plant Dis. Reptr. 20:221-222. Mimusops elengi L.; Spanish cherry. Leaf. 10. Wehlburg, C., S. A. Alfieri, Jr., K. R. Langdon, and J. W. Kim- County: Broward. brough. 1975. Index of plant diseases in Florida. Fla. Dept. Agr. Brunfelsia americana L.; lady-of-the-night. Leaf. & Consumer Services. Div. Plant hid. Bui. 11, 285 p. 11. Wellman, F. L. 1972. Tropical American plant disease. The Scare County: Dade. crow Press, Inc., Metuchen, N. J., 989 p. 12. Wolf, F. A. 1930. A parasitic alga, Cephaleuros virescens Vimaze, on citrus and certain other plants. Elisa Mitchell Sci. Soc. J. 45:187-205.

Proc. Fla. State Hort. Soc. 94: 1981. 317