April 1908] North American Species oj Agaricaceae 73 



IV. INNUCTAE. Not ilnnicolous; grozving on the ground 

 or on old zvood in fields and zvoods. 



a. Stipe solid. 



i8. STROPHARIA SQUARROSA. Agaricus squar- 

 Rosus Vahl, in Flora Danica, 1191; Agaricus dipilatus 

 Persoon, Synopsis, 1801 ; Agaricus Hornemanni Fries, Obs. 

 II, 1818. 



Pileus fleshy, convex, then expanded, obtuse ; the flesh thick, 

 compact, white ; the surface smooth, viscid when moist, yellowish, 

 becoming brownish. Stipe long, thick, solid below the ample 

 annulus squarrose with revolute white scales. Lamellae broad, 

 adnate-decurrent, at first whitish then blackening; spores purple- 

 brown, elHptic, 10-14 X 5-8 mic. 



Growing on the ground and on trunks in Pine woods ; New 

 York, Peck. Pileus 8-20 cm. in diameter, the lamellae 7-12 mm. 

 in breadth ; stipe 10-20 cm. long, 1-3 cm. thick. A large and 

 showy fungus. 



19. STROPHARIA DRYMONIA, Morgan sp. nov. 

 Pileus fleshy, subglobose, then convex, expanded and ex- 



planate or somewhat depressed ; the flesh thick, compact, white ; 

 the surface smooth and glabrous, viscid, pale ochre to ochraceous ; 

 the veil thin and fragile, lacerate and subappendiculate. Stipe 

 elongated, tapering upward, thick, solid, white, glabrous; the 

 annulus frail, deciduous. Lamellae narrow, crowded, adnexed, 

 at first white then gravish-brown ; spores brown, 5-6 x 3-4 mic. 

 Growing on and among rotten wood in woods ; Preston, O. 

 Pileus 6-10 cm. in diameter. Stipe 8-14 cm. long, 6-10 mm. 

 thick above the base. 



20. STROPHARIA MICROPODA, Morgan, sp. nov. 

 Pileus fleshy, subovoid, then convex and expanded, obtuse ; 



the flesh thick, firm, pale yellow ; the dermis a thin membrane, 

 lilac or livid in color, covered by a thick greenish layer of glutin ; 

 the veil lacerate, subappendiculate. Stipe very small, solid, fibril- 

 lose-scaly, pale yellow above and within, below livid; the slight 

 annulus at the summit of the stipe. Lamellae rather broad, close, 

 arcuate, emarginate. at first pale drab, then changing to livid, 

 at length olivaceous ; spores in mass at first livid, becoming olive- 

 brown, oblong, inequilateral, 6-7 x 3-4 mic. 



Subcaespitose ; growing on dead branches of Ouercus, Hick- 

 oria, etc.; Preston, O. Pileus 4-7 cm. in diameter, the lamellae 

 5-8 mm. in breadth; stipe 3-4 cm. long, 4-7 mm. thick. After 

 drying the pileus and lamellae become olivaceous, the stipe yellow- 

 green. 



