REPORT OF THE STATE BOTANIST 1914 65 



white hairs. Specimens of M . chordalis Fr. from Sweden 

 seem to be very close to M. elongatipes except that the 

 texture of the stipe is more firm in M. elongatipes than in 

 M. chordalis. 



16 Marasmius umbonatus Peck 



Bui. Buffalo Soc. Nat. Sci., 1:58. 1873. 



Pileus thin, tough, expanded, umbonate, gregarious, 13-19 mm 

 broad ; surface glabrous, alutaceous, margin smooth or substriate, 

 at first incurved; lamellae interveined, branched in front, reaching 

 the stipe, subdistant, narrow, white; spores 7-8 by 3.5 \l\ stipe 

 equal, solid, fulvous above, pallid below, velvety tomentose, 2.5-4 

 cm long, 1 mm thick. 



Among needles of coniferous trees. Not common. 



17 Marasmius semihirtipes Peck 



Bui. Buffalo Soc. Nat. Sci., 1 157. 1873. 



Pileus thin, tough, convex to nearly plane or depressed, 1-2 cm 

 broad; surface glabrous, reddish brown, becoming alutaceous, the 

 disk darker, margin sometimes striate; lamellae slightly adnexed, 

 subdistant, not narrow, white; spores 8-9 by 4.5 /x; stipe equal, 

 even or finely striate, tubular, reddish brown, often nearly black 

 in dry plants, glabrous above, velvety tomentose toward the base, 

 3-5 cm long, 1-2 mm thick. 



Upon ground among dead leaves etc., in woods. Rather common. 



Marasmius semihirtipes varies considerably in color 

 and striation of the pileus and in the color and roughness of the 

 stipe. 



18 Marasmius biformis Peck 



N. Y. State Mus. Bui. 67, p.25. 1903. 



N. Y. State Mus. Bui. 105, p.25. 1906) (As Marasmius longistri- 

 atus Peck). 



Pileus submembranous, thin, campanulate or nearly plane, often 

 becoming umbilicate, gregarious, 8-16 mm broad ; surface glabrous, 

 hygrophanous, striatulate when moist, rugose-striate when dry, bay- 

 red or pale chestnut when moist, grayish when dry, lamellae adnate 

 and joined together at the stipe, rather close, not broad, grayish or 

 creamy yellow; spores 5-6 by 3.5 fx ; stipe even, slender, brown 



