60 Marasmius. 



B. MYCENA. Stem horny, fistulose but often with a 

 pith, tough, dry, mycelium rhizomorphoid, cortex not 

 floccose, edge of pileus straight and adpressed to stem 

 at first. 



I. CHORDALES. Stem rigid, rooting, or adnate by a 



alliaceus, Fr. Smell of garlic. P. 2'4 cm. subumb. even then 

 striate or sulcate, greyish ; g. free ; s. 6 10 cm. minutely velvety, 

 blackish; sp. 1416x8. 



molyoides, Fr. Smell somewhat unpleasant. P. soon plane, 

 even, brownish then pale; g. free, crowded, white; s. tall, hollow, 

 glabrous, blackish brown. 



[chordalis, Fr. P. plicate, brownish ; g. adnato-decurrent, white ; 

 s. elongated, straight, velvety, blackish brown, stuffed, rooting. 



cauticinalis, Fr. P. about 1 cm. yellowish, even then striato- 

 sulcate ; g. adnato-decur. connected by veins, yellow ; s. 3 6 cm. 

 flocculpse, bay, paler and mealy upwards ; sp. 7 x 3 5. 



[schizopus, Seer. P. very thin, campan. plicato-sulcate, whitish ; 

 g. thick, distant, white, with a collar; s. whitish, base a darker 

 dilated tubercle. 



[torquatus, Fr. P. campan. sulcate, whitish ; g. thick, attached 

 to a collar ; s. whitish, with a darker tubercular dilated base. 



II. ROTULAE. Stem filiform, flaccid, base entering 

 matrix abruptly. 



* Stem very glabrous, shining. 



rotula, Fr. P. 47 mm. umbilicate, plicate, whitish or disc 

 slightly tinged; g. attached to a free collar encircling the stem; 

 s. 24 cm. glabrous, blackish, shining ; sp. 6 x 3 4. 



[littoralis, Q. P. umbil. plicate, white ; g. free, distant ; s. horny, 

 umber, apex pale, base downy. 



graminum, Berk. P. up to 1 cm. umb. striate or sulcate, pale 

 rufous, disc darker ; g. attached to a collar encircling stem, few in 

 number ; s. 2 4 cm. black, shining, glabrous, apex paler : sp. 

 subgl. 34. 



[epodius, Bres. P. convexo-campan. exp. usually umb. and depr. 

 edge at first incurved, sulcate, centre usually reticulated, reddish- 

 yellow then pale ; g. free, white then yellowish ; s. very glabrous, 

 rufescent then bay, apex hyaline, base bulbillose substrigose; sp. 

 2028 x 2-54. 



