Pileus membranous to somewhat fleshy, stipe simple-Marasmius 
Pileus minute,l-3 mm, broad (reaching 4mm. in M.Hioramj.) 
Surface of pileus white or whitish rarely darker on the disk. 
Dis& blackish and papillate 
Dis& white or pallid . 
Stipe 4-10 mm. long. 
Pileus l~2mm. broad. 
Surface subx>ellucid,j>ruinose , 
Surface opaque, glabr ous . 
Pileus 2-3mm, broad. 
Surface subtranslucent, glabrous , 
Surface opaque , pulverulent , 
Stipe 10- 20mm, long, 
i Pileus umbilicate 
Stipe pallid, 1-1. 5cm. long. . 
Stilus fulvous, 2-«5 cm, or more long. M, chrysocha.etes . 
Pileus not umbilicate. 
Stix^e pallid throughout. 
Stipe x^ale-yellow below. 
Surface of pileus x’ule-yellow. 
Lamellae adnate; pileus 3 mm, broad. 
Lamellae decurrent; pileus 1 mm. broad 
Surface pf pileus brownish- cinnamon ;pileus 
convex; lamellae distant, x>allid; stipe 2 mm. Ion . 
long. 
M, Peckii , 
M, petiolorum, 
M, Marbleae. 
I 
M. subtenerrimus, 
M . bermudensis. 
M.theobromicola, 
M. proletarius, 
M. inaequilis, 
M. subglobosus, 
M, fla,vellus. 
Surface of pileus umbrinous ; pileus hemispher- 
ic; lamellae few, palid. 
Surface of pileus bay, blackish and pjapillate 
at the center^ pileus 2-4 mm, broad, 
Pileus small ,3-10 mm, broad 
Surface of pileus white or pa,llid, rarely 
slightly darker at the center. 
Stipe white or pallid throughout. 
Stix)e glabrous. 
Lamellae free;stipe 10-12 mm. long. 
Lamellae decurrent ; stipe 1.5-4 cm, 
long. 
3tiStip®51 : ;5«@ . crhgn&Qng . 
Stipe 4 cm. long. 
Stipe minutely pruinose or floccose, 
sometimes becoming subglabrous, 
Pileus scarcely 5 mm. broad, not 
striate; lamellae crowded, 
Pileus 6-10 mm. broad, striate; la- 
mellae distant. 
Stipe brownish or blackish below. 
Stipe 1 cm. or less long. 
Lamellae adnatejpileus usually darker 
on the disk. 
Lamellae decurrent pileus not darker 
on the disk. 
Stipe 2-3cm, long .; lamellae adnate. 
Pileus umbilicate,unicolorous . 
M , nanu s , 
M. guy an en sis. 72.44* 
M. Hiorami , 
M. stylobates. 
Pileus umbonate, slightly darker at the„c enter 
the center, M, hond 
M, x^raedecurrens . 
M. niveicolor. 
L. Betulosipes. 
M, setulosix)es . 
M, synodicus. 
M. Earlei . 
11, pruinosulus, 
praetortipes . 
urensis , 
