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Vol. XiII.] New York, July, 1886. [No. 7.

CheckList of Marine Algae. Based on Specimenscollected on the shoresof Long Island, fromI839 to I885. By NICOLAS PIKE. ORDER I.-CRYPTOPHYCEAE. SUB- ORDER-NOSTOCHINEA. Sphwrozyga Carrmichaelii,Harv. Fort Hamilton, Green- port,on decayed algae; summer. Nodularia Harveyana, Thuret. Bay Ridge and Hell Gate; summer. Spiruliza teniiissi;;za, Kiitz. Fort Hamilton pier, Fike- poles, Gravesend Bay; summer. Beggialoa alba, Treves. Fort Hamilton, Jamaica Bay; summer. Oscillatrialimosa, Kiitz, and 0. subzuliformis,Harv. Jamaica Bay, Whitestone. Zicrocoleits c/hthonoplas/es,Thuret. Fort Hamilton, Green- port; summer. Lyzgbya mailscula, Harv. Canarsie, College Point; summer. L. wstucarii,Liebm. Fort Hamilton, Bay Ridge; summer. L. zluteo-fzusca,Ag. Coney Island Creek; summer. L. tenerrima,Thuret. Jamaica Bay, College Point; summer. L. nicrrescens,Harv. Canarsie, Bay Ridge; summer. Calothrix confervicola,Ag., in freshand salt water. Bay Ridge and Fort Hamilton; summer. C. crtustaceca(Schousb.), Born. and Thuret. Bay Ridge and Fort Hamilton; summer. C. scopulorumn,Ag. Greenport, Little Egg Harbor; summer. 106

C. pilviniata, Ag. Greenport,Little Egg Harbor; summer. C. parasilica, Thuret. Greenport, Jamaica Bay; summer. Rivularia atrza, Roth. Hell Gate, Flushing Bay. R. plicata, Carm. Jamaica Bay, Canarsie. Isactis plana, Thuret. Fort Hamilion, Jamaica Bay on Fucus. HormnactisQiioyi (Ag.), Born. Greenport; July. ORDER II.-ZOOSPOREAiE. SUB-ORDER.-CHLOROSPOREA_ Monostromapzulc/i rm, Farlow. College Point, Sag Har- bor; April. M. Grevillei,Wittrock. College Point, Sag Harbor; June. Ulva Lactuca (L.), Le Jolis.* U. Lactzica, var. rigida (Ag.), Le Jolis.* U. Lactucca,var. Lactizica,Le Jolis.* U. Lac/zica,var. la/issima,Le Jolis.* U. enteromorpha,Le Jolis.* U. czietrornorpha,var. laizceola/a,Le Jolis.* U enteroinor/pha,var. in/estinalis,Le Jolis.* U. cnteromorplia,var. compressa,Le Jolis.* U. clat/rata, Ag.* U. Hopkirkii (McCalla.),* Harv. (Very commonall aroundthe coast). Ulothrixflacca(Dillw.), Thur. Greenport; summer.* U. isogona,Thuret. College Point, Rockaway; April. U. collabens(Ag.), Thur. Greenport; May. C/zwtomorphainelagonium (Web. and Mohr), Kiitz. Green- port,Rockaway inlet.* C. wrea (Dillw.), Kiitz. Bath, Bay Ridge; summer. C. Picquotiana (Mont.), Kiitz. Fort Hamilton; summer.* C. Linurin(Flor. Dan.), Kiitz. Jamaica Bay; summer.* Rhizocloniuimrizparizumn, Roth. Harv. College Point; July.* B. /ortziosurm,Kiitz. Orient. Cladoplora arcta, Dillw. Fort Hamilton,Bay Ridge, College Point; February to June. C. lanosa (Roth.), Kiitz. Rockaway, Flushing; May and June. C. lanosa, var. uncialis, Thur. Rockaway, Flushing; May and June. 107

C. rupestris,(L.) Ktitz. Canarsie, Bath, College Point.* C albida (Huds.), Kiitz. Jamaica Bay; very common.* C. refracta(Roth.), Aresch. Jamaica Bay; very common. C. glaucesce;zs(Griff.), Harv. College Point, Orient, Green- port; summer. C. laetevirens (Dillw.), Harv. Fort Hamilton, Gravesend Bay; summer. C. Hutchinsiw (Dillw.), Kiitz. College Point; very rare; summer. C.fexuosa (Griff.),Harv. East River,Flushing Bay; summer. C. Rudolphiana, Ag. JacksonFerry, Hell Gate; July. C. gracilis (Griff.),Kiitz. Fort Hamilton; April to June. C. expansa, Kiutz, Greenport; summer.* C. fracta, Kiitz. South Ferry; summer.* BuIlbocoleonpiliferumn, Prings. Greenport; July.* SUB ORDER.-BRYOPSIDEAS. Bryopsisplumosa,(Huds). Ag. Fort,Hamilton, Bay Ridge; May to September. B. hypnoides,Lamx. College Point, Jackson Ferry; May to September. Family SCYTOSIPHONEJE. Plhyllitisfascia, Kiitz. All round the coast; November to January. Scytosiphonlomnentariuis, Ag. All round the coast.* Family PUNCTARIEAL. Pimnc/aria latifolia, Grev. Fort Hamilton, Greenport; June.* P. latifolia, var. Zosterw,Le Jolis. Fort Hamilton, Green- port; June.* P. plantaginea, (Roth.) Grev. Orient,Sag Harbor; summer. Family DESMARESTIEIE. Desmnarestiaaculeata, Lamx. Fort Hamilton,Orient, Green- port; summer.* D. viridis, Lam. Fort Hamilton; very common; summer.* Family DICTYOSIPHONEIE. Dictyosikphonfcniculaceus, Grev. Greenport,Port Jefferson; springand summer. 108

D. /h:ppuroidcs,Lyngb. College Point, Jamaica Bay.* Family ECTOCARPEAEL'. Mlyrio/richziaclavwformis, Harv. Greenport,Orient, Mon- tauk Point; summer. Ectocarpis reptans, Crouan. Greenport, Port Jefferson; summer.* E. toinenztoszus(Huds.), Lyngb. College Point; summer.* E. grranlosus, Ag. Sag Harbor; summer. E. granulosus, var. tenniis,Farlow. Sag Harbor; summer.* L. conifervoides,(Roth.) Le Jolis. College Point,Sag Har- bor.* E. confervoides,var. siliculoszus,Kjellman. College Point, Sag Harbor.* E. fasciculatuis,Harv. Hell Gate, Orient,Quogue; summer.* E. Iutoszus, Harv. Great South Bay, Fort Hamilton; summer.* F. littoralis,Lyngb. All round the coast. E. littoralis,var. robustzus,Farlow. All round the coast.* E. brac/hiatzs,Harv. Colleg,ePoint, Jamaica Bay; sumnmer.* E. Hooperi,Harv. Greenport; summer.* E. Dietziw, Harv. Greenport; summer.* Family SPHACELARIEE. Sphacelaria cirrlzosa(Roth.), Ag. Greenport; October.* S. rardicauis(Dillw.), Harv. College l'oint; November.* Cladostephzusverticillatfs, Ag. Orient,Oyster Bay; Septem- ber and October.* Family MYRIONEMEI,. Myriozena vulgare, Tliur. Common parasite on other algaz. Family LEATIIHESIE. Elac/histeafuicicola, Fries. Common, growing on Fuci; summer. X ZIyriactispulvinata, Kitz. Greenport,Southampton, Orient; growingon other algae; summer.* Leatizesia difformnis(L.), Aresch. l'arasite; Greenport,Fort Hamilton, Orient; summer.* Family CIHORDARIEE. Cizordaria Jlagelliformnis,Ag. Greenport, Sag Harbor, Orient; summer.* 109

Mesogloia divaricata, Kiitz. Jamaica Bay, Great South Bay; August and September.* M. vermicularis,Ag. Greenport; rare; summer.* Castagnea virescenis(Carm.), Thur. Whitestone,Orient; May.* C. Zosterew,(Mohr.) Thur. Whitestone,Orient; May.* FamnilySPOROCHNEE. S/ilop1ora ri-tizodes,Ag. Greenport, Peconic Bay, Fort Hamilton, Orient; July to November; in fruitOctober. Arzhrocladia villosa, Duby. Greenport; rare.* Striaria aztenuaza, Grev. Flushing Bay, Hell. Gate, Fort Hamilton; summer. Family LAMINARIELE. Chiordafiluin,L. Whitestone,Peconic Bay, Orient; August and September. Lamrinariasaccharinia (L.), Lamx. Rockaway Beach, Mon- tauk Point. L. digi/ata (Turn.), Lamx. Greenport,Orient. Alaria esczilenta,Grev. Greenport,Orient, Peconic Bay. ORDER III.-OOSPOREA.ZE SUB- ORDER.-FUCACEA. Ascophylluninodosumn, Le Jolis. Common roundthe coast. Fucus vesiculosus,L. Common. F ceranoides,L. Fort Hamilton, Orient. Sarrgassumvu?lgare, Ag. Bath, Freeport, College Point.* S. vul/-gare,var. Montagnel,Farlow. Fort Hamilton, Green- port.* S. bacciferurm,Ag. Rockaway Beach. SUB- ORDER.-VAUCHERIEAX. VaucheriazTizztretli, Woronin. All round the coast in ditches. V. litorea,Nordstedt. All round the coast in ditches. ORDER IV.-FLORIDEZE. Trezztepoihliavirgatula (Harv.), Farlow. College Point; sum- mer.* T. virgatzla, var. secundata,Farlow. College Point; summer.* SUB- ORDER.-PORPHYREA. Porphyralaciz>iata, Ag. All round the coast; summer.* Bangiza fztsco-pzerpzerea, Lyngb. Fort Hamilton, Flushing Bay, Greenport; summer.- 110

SUB- ORDER.-SQUAMARIEIE. PeyssolineliaDubyi, Crouan. Greenport,Peconic Bay. Hildenbrandhiarosea, Kiitz. Common, in patches on stones. SU B- ORDER.-NEMALIEAE. Nemnalionmultifidurm, Ag. Sag Harbor, Greenport; August and September.* Scinzaia furcellata, Bivona. College Point, Greenport; summer.* SUB-ORDER.-SPERMO1THAMNIEAi. SpermnothamnionTurneri, Aresch. Bath, Jamaica Bay, Fort Hamilton; summer. SUB- ORDER.-CERAMIEA. Callithamnionz Rothii, Lyngb. Fort Hamilton; probably spring.* C. cruciaturm,Ag. Red Hook, Bay Ridge, Fort Hamil- ton; September and October. C. floccosum,Ag. Greenport,Orient. C. Pylaiswi, Mont. Peconic Bay, Sag Harbor, Quogue. C. Amnericanum,Harv. Bath, Shinnecock Bay, College Point; June.* C. plurnula, Lyngb. Fort Hamilton, College Point; Sep- temberto October.* C. Borreri,Ag. Fort Hamilton, Bay Ridge.* C. roseumn(Roth.), Harv. Jamaica, Bay, Fort Hamilton.* C. polyspermum,Ag. Bath, Hempstead Bay.* C. letragonurm,Ag. Fort Hamilton.* C. Baileyi, Harv. Fort Hamilton; August to November. C. Baileyi, var. laxa, Farlow. Fort Hamilton, on Zos/era, shells and stones. C. byssoideuim,Arn. Greenport,Fort Hamilton; October and November.* C. corymnbositzm,Lyngb. Bath, Orient, Greenport; October and November. C. corymbosurn.var. secizidalumn,Harv. Bath, Orient,Green- port, on Zos/era,etc. C. Diezsiw, Hooper. Greenport.* C. seirosperunum,Griff. College Point.* C. tenue,Harv. Fort IIamilton, Jamaica Bay. 111

GrzffithsiaBorzetiazia, Farlow. Sag Harbor, Hell Gate; June and July.* Hal/iruseqzuisetifolius, Kiitz. Greenport,Great South Bay. * Ptilota eleganis, Bonnem. Coney Island, Fort Hamilton; September and October.* P. serrata,Kiitz. Bath, Greenport; Septemberand October.* Ceramiurnrutbrutm, Ag. Common round the coast; June and July.* C. rubrumn,var. proliferum,Ag. June and July. * C rubrutm,var. secundatuim,Ag. Common; June and July.* C. rutbrurm,var. squarrosutm,Harv. June and July.* C. circiinatum,Kiitz. Glen Cove; August and September.* C, diaphanum, Roth. C. stricturn(Kiitz.), Harv. Jamaica Bay; August and Sept. C. Hooperi,Harv. Greenport.* C. fastigiatum, Harv. Rockaway, Jamaica Bay; June and July.* C. tenuissimnum(Lyngb.), Ag. Sag Harbor, Glen Cove; July and August.* C. teizuissimum,var. arachnoideum,Ag. July and August.* C. ternuissirnuim,var. patentissimnum,Harv. On Zostera and algae; July and August. C. Capri-Cornu (Reinsch.), Farlov. Canarsie.* SUB-ORDER.-SPYRIDIE3E. Spyridia filamezitosa,Harv. Sag Harbor, Glen Cove, Fort Hamilton; August and September. SUB- ORDER.-GIGARTINEA . Phyllop/zoraBrodiwi, Ag. Glen Cove, Hell Gate, Orient; September and October.* P. inembraizifolia,Ag. Hell Gate, Fort Hamilton, Green- port; September to November. GymnogongrusNorvegicus, J. Ag. Rare, dredged off the Narrows.* G. Torreyi, Ag. Common, Fort Hamilton, Glen Cove; November to January.* ,A/zfe/dtiaplicata, Fries. Fort Hamilton, Port Jefferson; August and September. A. plicata, var. fastigiata, Farlow. Greenport,College Point.. 112

Cystoclonziumpurpurasceits, KUzt. Common round the coast; August to November.* C. purpurascens,var. cirrizosa,Farlow. Common round the coast; August to November.* Gigar/iina inamillosa, Ag. Greenport, Montauk Point; .August and September.* Cizonzdruiscrispus (L.), Stack. I'ort Jefferson,Glen Cove, College Point; August to November.* SUB- ORDER.-RHODYMENIE,E. Rhodymseniapalinata (L.), Grev. Orient, Montauk Point, Greenport; September and October.* R. palmntaa,var. Sarviienisis,Farlow. Montauk Point, Green- port; September and October.* Euithora cristata, J. Ag. Montauk, Orient, Greenport; September.* Lomenttariaunciniaza, Menegh. College Point, Glen Cove; September and October.* L. uncinata, var. filiforinis,Harv. L. rosea (Harv.), Thur. Montauk, Orient, Port Jefferson. Champia parvula, Ag. Bay Ridge, Canarsie, Jamaica Bay. SUB- ORDER. -HYPNEIE. Hypnea mugsciformis,Lamx. Greenport,Flushing Bay. SUB- ORDER.-GELIDIEAE. Gelidium cri;zale,J. Ag. Common fi-omFort Hamilton to Greenport; December and January.* SUB- ORDER.-SOLIERIEIE. Rhabdoiiia tenzera,Ag. Common round the coast; August to November. SUB ORDER.-SPONGIOCARPEAZE. Polyides rotunzdus,Grev. Sag Harbor, Montauk, Port Jef- ferson; April and May.* SUB-ORDER.-SPHAEROCOCCOIDEZE. GrinniielliaAmliericana, Harv. Very common,Fort Hamilton and Gravesend; July to November.* Delleseria sinuosa, Lamx. Montauk Point, Greenport; Sep- temberto December.* D. alata, Lamx. Montauk Point. D. Leprieuirii,Mont. Flushing Bay, Glen Cove; summer.* 113

Gracilaria mnulzipartita,J. Ag. Glen Cove, Port Jefferson; November to January.* G. rnzitzipartita,var. angustissimna,Harv. Pond Quogue; November.* SUB- ORDER.-RHODOMELEAE. Clzondriopsisdasyphila, Ag. Southampton; June and July.* C. dasypAila,var. sedifolia,Ag. Ammaganset Beach. C. tenuissirna,Ag. Glen Cove, Greenport,Orient; June.* C. tenzuissimna,var. Baileyana, Farlow. Glen Cove, Greenport, Orient; July.* C. littoralis(Harv.), J. Ag. Fort Hamilton, Cow Bay.* C. atropurpurca(Harv.), J. Ag. Jamaica Bay, Glen Cove.* C. atropurpurea,var. fasciculata, Farlow. Fort Hamilton.* Rhodomelasubfusca, Ag. April and May. R. subfusca,var. gracilior, J. Ag. Common in Spring at Bay Ridge, Fort Hamilton, College Point, Glen Cove; April and May. Polysizphoniaurceolata (Dillw.), Grev. Shinnecock Bay, Bay Ridge; May and June.* P. urceolata,var. formosa,Ag. Fort Hamilton; May and June.* P. urceolata, var. patens, Grev. Fort Hamilton; May and June.* P. subtilissirna,Mont. Jamaica Bay. P. subtilissima,var. Westpoinztensis,Harv. Jamaica Bay. P. Olneyi, Harv. Canarsie. P. Harveyi, Bail. Fireplace Bay, Greenport, P. elongata, Grev. Peconic Bay, Glen Cove; October and November. P. fibrillosa,Grev. Jamaica Bay, Fort Hamilton. P. violacea, Grev. Greenport,Montauk; July. P. violacea, var.fiexicaulis, Harv. Greenport,Montauk. P. variegata, Ag. Common round the coast. P. parasitica, Grev. Fort Hamilton, East River. P. atrorubescens,Grev. East River, Hell Gate. P. nigrescens,Grev. Common; May and June. P. nigrescens,var. fucoides, Ag. Fort Hamilton,Bay Ridge. P. niorescens,var. affinis,Ag. Fort Hamilton, Bay Ridge. 114

P. fastigiata, Grev. Glen Cove, Montauk Point; July and August. Bostryc/hiarivularis , Harv. Flushing Bay, Whitestone. Dasya elegans, Ag. Common; July to November. Corallina officinalis,L. Common. Melobesiafarinosa, Lamx. Glen Cove, Grebnport. M. pustulata, Lamx. Flushing Bay, Rockaway. M. macrocarpa, Rosanoff. Orient, Canarsie, Quogue. M. Leziormandi,Aresch. Fort Hamilton College Point., * Those markedwith an asteriskwere foundin fruitat the timespecified.

The Floraof RossCounty, Ohio, COMPARED WITH THAT OF NEW ENGLAND. Read June8th. W. E. SAFFORD. In Southern Ohio the firstof the spring flowersis the "pep- per-and-salt",or "harbinger of spring", Erigenia bulbosa,Nutt., a tiny Umbelifer. I have foundit as early as the last week in February,although it does not usually appear until a monthlater. It grows in shady woods, where it is usually found nestling be- tween the forkingroots of beeches, associated with Isopyrulmbi- ternaturm,T. and Gr. The latteris a beautifullittle plant closely resemblingT/zalictriim aizernoinoides, but with fibrousinstead of tuberousroots. In the region throughwhich I botanized nearly everyspecimen of Thalictrnmanemonoides had pink-tintedsepals. Of the two species of Hepatica which occur in Southern Ohio, Hepatica acuitiloba,DC., is much more common. I have found mianyspecimens which seem to be intermediatebetween the two species. Many other spring plants occur which are fa- miliarto New England botanists,such as: Dicentra Ca;uadensis, DC., and D. Cucullaria, DC.; Dentaria laciniata, Muhl.; Sani- guinaria Canadensis, L., and Podop/hyllumpeltatum, L. A zie- monenemorosa, L., does not occur. I have never found Den/iaria diphylla,L.; but it has been recordedas growingin the vicinity of Cincinnati. Trilliuimgrandzjiorumn, Salisb., is common. Associated with it are two Trilliumsnot foundin New Eiigland: Trilliumsssessile,