Hymenomycetfe, Ag-aricacefe, Leucosporse, CoUybia. 49 



13. Collybia fimicola Earle, Bull. of tlie New York Bot. Gard. (1904) 193 

 p. 298. — Pileo tenui 2-5 cm., e convexo expanso v. parum de- 

 presso, subumbonato, sordide cinereo-brunneo, centro obscuriori, 

 levi, nitido, non striato ; lamellis tenuibus, postice rotundatis, le- 

 niter adnexis, intervenosis, heterophyllis, distantibus, ventricosis, 

 pallide cinereo-brunneis ; sporis albis, ellipsoideis, 6*4; stipite 3- 



6 cm. longo, 3-5 mm cr., sequali v. supra leniter expanso, sub- 

 glabro, subtus dense hirsuto-tomentoso, basi brunneolo, apice al- 

 bido, cartilagineo, cavo; carne tenui, alba, immutabih, grata. 



Hah. in fimo equino in herbidis, Stanford Univ. California 

 (C. F. Baker). 



14. Collybia brunnescens Peck, Bull. Torr. Bot. Cl. XXXIII (1906) 194 

 p. 214. — Pileo tenui, late convexo, saepe leniter umbonato, gla- 

 bro, subpruinoso, griseo-brunneo; lamellis tenuibus, confertis, 

 emarginatis, albidis vel cremeo-coloratis ; stipite aequali vel basi 

 leniter incrassato, striato, glabro, solido v. farcto, albo; sporis albis. 

 elhpsoideis, 8-10 « 5-6. 



Hdb. solitaria v. crespitosa ad terram in silvaticis Californise 

 (C. A. Hunt). — Pileus 2-7 cm. latus; stipes 3-5 cm. longus, 

 4-6 mm. cr. 



15. Collybia macida (Britz.) Sacc. — Syll. XI, p. 19. — Britzelmayr, 195 

 Revis. Hymenomyc. I (1898) p. 17. — Pileo 3 cm. lato, plano- 

 convexo, depresse umbonato v. depresso; pileo, stipite et carne 

 aurantiacis; stipite 4 cm. long , 3 mm. cr., farcto; lamellis 4 mm. 

 latis, pallide flavis, rotundatis, confertis; carne inodora, subacri; 

 massa sporarum alba; sporis 4^2, elongatis. 



Hah in silvis prope Dasing Bavarise. — Coll. nitellince afiinis. 196 



16. Collybia miseranda (Britz ) Sacc. — Syll. XI, pag. 19. — Brit- 

 zelmayr, Revis. Hymenomyc. I (1908) p. 17. — Pileo 3 cm. lato, 

 plano-convexo et depresse umbonato, opaco, sordide griseo-flavo 

 V. flavo-brunneo; stipite 3.5 cm. long., 2 mm. cr , cavo, supra 

 albo-pulveraceo; lamellis 6 mm. latis, confertis, albo-brunneolis, 

 crassis, adnato-emarginatis; carne odore forti farinaceo prtedita; 

 massa sporarum alba; sporis 7-8 « 3-4, elongatis, biguttulatis fgut- 

 tula altera majore). 



Hah. gregaria in silvis prope Augsburg Bavarige. Coll. mi- 

 serce affinis. 



17. Collybia fragilis Quel., Ass. franc. Avanc. Sc. XXVI (1897) p. 2, 197 

 tab. IV, fig. 4 (extr.). — Pilco hygrophano, griseo-fusco, fragi- 

 lissimj, membranaceo, convexo-plano, 2-3 cm. lat., atomis hyaliuis, 



Si/ll. fiing. XXI (1 11-1911) 1 



