?8 NEW YORK STATE MUSEUM 



56 Marasmius albiceps Peck 



Ann. Rep't N. Y. State Mus., 43:67. 1890. 



Pileus membranous, convex or campanulate, 5 mm broad; sur- 

 face glabrous, white; lamellae adnate or arcuate-decurrent, distant, 

 broad, white; spores obovoid, 6-J by 3-4 fi; stipe horny, setiform, 

 black, paler at the apex, glabrous, growing from a brown mycelium, 

 16-36 mm long. 



Upon dead branches in woods. Rare. In older plants the lamellae 

 are strongly decurrent as in O m p h a 1 i a fibula Fr. 



57 Marasmius straminipes Peck 



Ann. Rep't N. Y. State Mus., 26:66. 1874. 



Pileus membranous, hemispheric or convex, 2.5-8 mm broad ; 

 surface glabrous, white, margin striate; lamellae adnexed, distant, 

 unequal, white, yellow in drying; spores 7 by 3.5 /*; stipe horny, 

 filiform, pale straw color, pallid when dry, brownish at the base, 

 glabrous, shining, 2.5-5 cm long. 



Upon dead needles of Pinus rigida. Rare. 



58 Marasmius siccus (Schw.) Fries 



Epicr. Myc. 382. 1838. 



Ann. Rep't N. Y. State Cab., 23 :i26. 1872 (As Marasmius campan- 

 ula tu s Peck). 



Bot. Sur. Nebr., 4 :20. 1896 (As Marasmius fulviceps Clements) . 



Syll. Fung., 14:101. 1899 (As Marasmius clementsianus Sacc. 

 & Sydow.). 



Pileus membranous, convex or campanulate, solitary or gregari- 

 ous, 6-15 mm broad; surface dry, glabrous, ochraceous, sometimes 

 pink, rarely gray in dry plants ; margin radiate-sulcate ; lamellae 

 subfree, narrowed behind, few, distant, broad, white; spores 12-15 

 by 6-7 /a, sometimes 20 [x long; stipe slender, not capillary, tough, 

 hollow, blackish brown, glabrous, shining, 2.5-5 cm l° n &.» I_2 mm 

 thick. 



Upon dead leaves in woods. Very common. 



There is some variation in the size and color in different collec- 

 tions of this species. There is, however, less difference between the 

 type specimens of M . c a m p a. n n 1 a t n s Pk., M . sice u 9 

 (Schw.) and M . cl e m e n 1 s i a n 11 s Sacc. and Sydow ( M . 

 fulviceps Clements) than there is between different collections 

 of M . ca m pa n ula.t n s made by Peck and deposited by him in 

 the New York State Museum. lake many other species of Mar- 

 asmius, the spores vary in length. It is claimed that mature spores 



