60 Journal of Mycology [Vol. 13 



4. PANAEOLUS CAMPANULATUS Linnaeus, Spec. 

 Pl. 1753. Cooke, Illustr.. 629. 



Pileus fleshy, canipanulate, often umbonate, dry, smooth, 

 glabrous, shining, brown becoming rufous. Stipe tall, straight, 

 fistulous, smooth, rufescent, at first white-pruinose at the apex. 

 Lamellae rather broad, close, adnexed, gray and black variegated ; 

 spores subeUiptic, 14-18x9-12 mic. 



Growing on manure and rich soil. Found everywhere in the 

 world. Pileus 2-3 cm. high and broad; stipe 7-10 cm. long, 2-3 

 mm. thick. 



h. Stipe solid, glabrous. 



5. PANAEOLUS ANTILLARUM Fries, Elenchus, I, 



1828. , ^ . ., 



Pileus fleshy, subglobose then convex, obtuse, at first smooth 

 and glabrous, at length areolate-corrugate, yellow or whitish ; veil 

 plainly none. Stipe solid, equal, striate, glabrous, pallid. La- 

 mellae broad, close, ventricose, adnexed, at first brown then livid- 



tlack ; spores . 



Growing among straw. Island of Santa Cruz, Benson, btipe 

 10-15 cm. long, about 8 mm. thick; the pileus very small in com- 

 parison with the stipe ; the lamellae 6-8 mm. broad. There were 

 more than twenty specimens examined of various ages. They 

 appear to have been preserved "in spiritu vini." 



6. PANAEOLUS SOLIDIPES Peck, 23 N. Y. Rep. 1870. 

 Pileus fleshy, firm, hemispherical then convex or subcampan- 



ulate smooth, whitish, the cuticle at length breaking up into ding>- 

 yellowish, rather large, angular scales. Stipe solid, smooth white, 

 striatulate at the summit. Lamellae broad, ventricose, adnexed, 

 at first whitish, becoming black ; spores very black with a bluish 



Growing on horse manure in pastures New York westward 

 to Nebraska: Pileus 5-8 cm. in diameter; stipe 12-20 cm. long, 

 48 mm. thick. A remarkably stout, firm species to belong to this 

 genus. 



§ 2. SEPAR.\TI. Pileus tcet or the surface viscid; the 

 marginal veil evident, annulate or appendicidate. 



a. Pileus wet, bibulous or hygrophanous. 



7. PANAEOLUS SPHTNCTRINUS Fries, Epicrisis, 



i8''6 



^^ Pileus fleshy parabolic, obtuse, opaque, smooth, wet, sooty- 

 black when drv livid and slightlv silky; the flesh thin, umber; 

 the veil white,' appendiculate. Stipe equal, straight, sooty-gray, 

 at the apex smooth and pruinose, the base only rufescent. 

 Lamellae rather broad, close, adnate, cinereous becoming black ; 

 spores 15-18 X 9-12 mic. 



