,S4 Il.viiieuouiycetii». A^aricacenp. Leucosporie, Jiyceua. 



•^•l;il»i(>. polito. iiilVa ;ill)itlo inycolioidtM» ct saepe loiige radieaute, 



4-1 (I (111. loiiiio L' •■'> iiiiii. ('ias.so. 



Jh(J>. :ul trnneuin einortuuiii A e e r i s , Lake IMaeid, Adirondack 



:\roiintaiiis. Xew Vork Ainer. bor. (\V. A. et E. L. Murrill^. 

 IJL Mycena haematopoda ^rers.) Quel. — Syll. V p. 291 — var. margi- 3ii 



nata J. E. Lauge, Dausk Botaii. Arckiv 1., 1914, n. 5 p. 20. — A 



typo dirtert laniellis aeie tantuin obseurioribus. 



Hah. ;id terrain. IJudine, Trolleborg etc. Dauia, Europa. 

 2(». Mycena niveipes Murrill. Mycologia 1916, p. 221, Primulus niveipen 312 



Murrill, >'. Aui. l'l. IX p. 332 (1916). — Pileo e conico caiupanu- 



lato, uou oinuino expiiuso, uec umbonato iiec depresso, 2 cui. lato; 



superrtcie uda, glabra, striiita, ;ilba et a\ellaueo tincta, margine 



iilbo integro ; lamellis adnatis, medi;ie bititudinis et distautiae, 



albis; sporis ovoideis, levibus, hyaliuis, 7-9 * 5-6; stipite cylindrico, 



aequali, levi. glabro, cavo, toto albo-uiveo, basi leniter albido-to 



mentoso, 4 ciu. lougo 2-5 mm. crasso. 



Hab. gregaria ad corticem acerinum muscosum, Lake Placid, 



Adiroudack ^lountains, New York, Amer. bor. (W. A. et Edna 



L. MrRRILL\ 



21. Mycena atridisca Mnrrill, Mycologia 1916, p. 220, Prunulus airi- 31.S 

 (Uscus Murrill, X. Am., Fl. p. 334 (1916).— Pileo late convexo, 2 

 cm. lato ; superficie arida, ciuerea, disco obscuriore, cute ad mar 

 giuem compacte fibrilloso-pectinata ; margine albido, aetate eroso ; 

 lamellis late siuuatis, subdistantibus, postice angustis, antice latis 



et ventricosis^ albidis; .sporis ellipsoideis, levibus, hyalinis, 6-7 ^ 4-5; 

 stipite cylindrico, levi, glabro, concolori, cavo, apice albo et prni- 

 noso, 5-6 cm. longo 1-2 mm. crasso. 



Hab. solitaria ad ligua dejecta, Edgewater, Kew Yersey, Amer. 

 bor. (F. S. Earle et W. A. Murrill). 



22. Mycena subtenuipes Murrill. Mycologia 1916, p. 221, Prunulus suh- 3i4 

 tenuipes :\Iurrill, N. Amer. Fl. IX p. 334 (1916). — Pileo tenui, 



e convexo subexpauso, leniter umbonato^ 1,5-2 mm. lato : snper- 

 ficie arida, glabra, striata, juventute fuligiuea, maturitate avella- 

 nea, umbone semper fuligineo, margine integro, pallido ; lamellis 

 adnatis latiusculis, distantibus, albo-griseolis ; sporis ellipsoideis 

 levibus, bj^alinis, 7-8 * 4-5; stipite angustissimo^ cylindrico, aequali, 

 concolori, levi^ glabro, basi albido-mycelioideo, 4 cm. longo 1-2 mm. 

 crasso. 



Hah. caespitosa ad lignum couiferiuum emortaum, Sebec Lake 

 Piscataquis County, Maine, Aiuer. bor. (W. A. Murrill). 



