56 Cottybia Marasmius. 



clusilis, Fr. P. 12 cm. exp. umbilicate, glabrous, hygr. livid 

 then pale; g. arcuately adfixed, semicircular, broad; s. 2 4 cm. 

 glabrous, pallid, not rooting ; sp. . 



Differs from C. tylicolor and C. nummularia m umbilicate pileus, 

 and decurrent tooth to gills. 



[erosa, Fr. P. exp. striate, hygr. silky when dry, grey ; g. broadly 

 emarginate, greyish ; s. greyish- white, glabrous. 



tylicolor, Fr. P. 1 2 cm. exp. subumb. even, glabrous, bluish- 

 grey, with white meal when young; g. free, distant, broad, grey; 

 s. 2 3 cm. pulverulent, grey ; sp. . 



Introduced species. 



Dorotheae, B. P. 2 cm. globose then exp. subumb. dark brown 

 then paler, sulcate, squarroso-setulose ; g. white, distant ; s. 5 6 cm. 

 slender, minutely discoid at base, granulated like pileus and beset 

 with white bristles. 



caldarii, B. P. 1 cm. hemispherical, umb. brown, rugose; g. 

 grey ; s. 4 5 cm. pale grey, cartilaginous ; sp. . 



MARASMIUS, Fr. 



A. COLLYBIA. Margin of pileus incurved at first. 

 Stem cartilaginous ; mycelium floccose. 



I. SCORTEI. Stem solid, or stuffed then hollow, fibrous 

 inside; outside villose over the cartilaginous cortex. 

 Gills becoming free. 



* Base of stem strigosely woolly. 



urens, Fr. P. Acrid. 4 1 cm. exp. glabrous, even, pinkish buff, 

 pale when dry; g. free, becoming brownish, at length remote; s. 

 5 1 cm. everywhere covered with white farinose down ; sp. 8x4. 



The acrid taste separates this sp. from M. oreades. 



[subannulatus, Trog. P. plane or depr. even, yellowish; g. 

 adnate, reddish then brownish ; s. with an incomplete ring about the 

 middle, base with white down. 



peronatus, Fr. Acrid. P. exp. reddish brown, then tan colour, 

 becoming lacunose, margin striate ; g. adnexed, seceding, palllid then 

 rufescent ; s. 3 5 cm. villosely downy, lower portion coarsely strigose, 

 yellowish ; sp. 10 x 6 7. 



porreus, Fr. Smell of garlic. P. 25 cm. dingy yellowish then 

 paler, striate, disc even, flaccid ; g. distant, firm, yellow then pale ; 

 s. 24 cm. reddish-brown, pubescent ; sp. subgl. 4. 



Differs from M. prasiosmus in yellowish gills and stem every- 

 where pubescent. 



