494 BRITTONIA [VOL. 48

Europe. Redhead et al. (1994, and refer- idiomycetes: Syzygosporaceae). Mycologia 78: ences therein) mention that basidiomata 619-636. Hailing, R. E. 1983. The genus () may arise directly from soil where all vis- in the northeastern United States and adjacent Can- ible traces of a host (presumably from last ada. Mycologia Mem. 8: 1-148. year) have disappeared. In montane Latin 1989 [1990]. Notes on Collybia. III. Unre- America, where Russulas of temperate ori- ported species of subgenus Rhodocollybia from gin are more plentiful than they are else- tropical South America. Mycologia 81: 870-875. 1994. An alternative concept of Collybia. where in the region, I have never seen spe- IMC-5 Abstracts, p. 80. cies of Collybia, even where members of --& C. L. Ovrebo. 1987. A new species of Russula subsect. Nigricantes (a select sub- Rozites from oak forests of Colombia, with notes strate) are exceedingly common. I suspect on biogeography. Mycologia 79: 674-678. Kornerup, A. & J. H. Wanscher. 1983. Methuen that Collybia is of north-temperate origin handbook of colour. Ed. 3. Eyre Methuen, London. (like some of its preferred substrates), but, Moser, M. & E. Horak. 1975. Cortinarius Fr. und as yet, has not migrated to the American nahe verwandte Gattungen in Stidamerika. Beih. tropics. Nova Hedwigia 52: 1-628. Mueller, G. M. & R. E. Hailing, 1995. Evidence for high biodiversity of Agaricales (fungi) in neotrop- Acknowledgments ical montane Ouercus forests. Pages 303-312. In: S. R Churchill, H. Balslev, E. Forero & J. L. Lu- I am grateful to the National Science teyn, editors. Biodiversity and conservation of neo- Foundation for financial support in the form tropical montane forests. New York Botanical Gar- of grant no. BSR-8600424. Also, support den, Bronx. --& B. Strack. 1992. Evidence for a mycor- was derived from the National Science rhizal host shift during migration of Laccaria tri- Foundation and the Office of Forestry, En- chodermophora and other agarics into neotropical vironment and Natural Resources, Bureau oak forests. Mycotaxon 45: 249-256. of Science and Technology, of the U.S. Noordeloos, M. E. 1995. Genus Collybia. Pages 106- Agency for International Development un- 123. In: C. Bas, T. W. Kuyper, M. E. Noordeloos & E. C. Vellinga, editors. Flora Agaricina Neerlan- der a subcontract to The New York Botan- dica. A. A. Balkema, Rotterdam. ical Garden in NSF grant no. DEB- Pegler, D. N. 1983. Agaric flora of the Lesser Antil- 9300798 to the Field Museum of Natural les. Kew Bull. add ser. 9: 1-668. History. Redhead, S. A., J. F. Ammirati, G. R. Walker, L. L. Norvell & M. B. Puccio. 1994. Squamanita contortipes, the Rosetta Stone of a mycoparasitic Literature Cited agaric genus. Canad. J. Bot. 72: 1812-1824. Singer, R. 1978. Interesting and new species of Ba- Antonln, V., R. E. Hailing & M. E. Noordeloos. sidiomycetes from Ecuador II. Nova Hedwigia 29: 1997. Generic concepts within the groups of Mar- 1-98. asmius and Collybia sensu lato. Mycotaxon (in 1986. The Agaricales in modern . press). Koeltz, Koenigstein. Dennis, R. W. G. 1951. Some Agaricaceae of Trini- Vilgalys, R. & O. K. Miller Jr. 1983. Biological dad and Venezuela. Leucosporae: Part I. Trans. species in the Collybia dryophila group in North Brit. Mycot. Soc. 34: 411-482. America. Mycologia 75: 707-722. 1970. flora of Venezuela. Kew Bull. --& --. 1987. Morphological studies on add. ser. 3: 1-531. the Collybia dryophila group in Europe. Trans, Ginns, J. 1986. The genus Syzygospora (Heterobas- Brit. Mycol. Soc. 88: 461-472.

Erratum

The correct authors of Eucalypt Domestication and Breeding [reviewed in Brittonia 47(4): 446] are Ken Eldredge, John Davidson, Christopher Harwood, and Gerrit Wyk.