Jan. 1908] Species of Agaricaceae 29 



Subcaespitose ; growing on old leaves of Musa ; Cuba, 

 Earle. Pileus 1-3 cm. in diameter; stipe 3-6 cm. long, 2 mm. 

 thick. 



6. HYPHOLOMA CAESPITOSA, Gymnochilus caes- 

 piTOSUS Earle, Hongos Cubanos, 1906. 



Pileus fleshy, convex then expanded, glabrous, faintly striate, 

 hygrophanous, at first cinnamon-brown, becoming pale gray, 

 darker in the center ; the flesh thin pallid ; the veil white, ap- 

 pendicular and evanescent. Stipe long, rather stout, hollow, 

 flocculose, white. Lamellae adnexed, at first of a dirty white 

 color, becoming dark brown, spores elliptic, about 7x5 mic. 



Densely caespitose, forming large clumps at the foot of a 

 trunk in a garden ; Cuba, Earlc. Pileus 3-5 cm. in diameter ; 

 stipe 6-12 cm. long, 4-6 mm. thick. 



b. Lamellae colored from the first. 



7. HYPHOLOMA CORONATUM Fries, Hym. Eur. 

 1874; Icones Sel. 134, Hypholoma subaquilum Banning, 44 

 N. Y. Rep. 1890; Hypholoma californicum Earle, Myc. 

 Studies, L 1902. 



Pileus submembranaceous, convex then explanate. obtuse, 

 glabrous, hygrophanous, pale, umber, darker in the center and 

 variegated with darker spots ; the margin crowned by the denti- 

 form appendiculate, white veil. Stipe slender, fistulous, smooth 

 and glabrous, white. Lamellae narrow, crowned, adnate, cameo- 

 purple or umber ; spores umber, elliptic-oblong, 5-6 x 3-4 mic. 



Caespitose ; growing at the base of trunks in woods ; Pacific 

 Coast Cat.; Maryland, Banning. Pileus 3-6 cm. in diameter; 

 stipe 5-8 cm. long, 3-5 mm. thick. 



8. HYPHOLOMA MUTABILE, Agaricus mutabilis. 

 Flora Danica, 774; Agaricus violaceo-lamellatus, Flore 

 Francaise n, 1805 ; Agaricus candollianus Fries, Obs. II. 

 1818. 



Pileus somewhat fleshy, companulate then convex and ex- 

 planate, obtuse, glabrous, hygrophanous, at first brown, then be- 

 coming white with the center ochraceous, the flesh thin whitish. 

 Stipe tapering upward from a slightly thickened base, fistulous, 

 fragile, subfibrillose, white, the apex striate. Lamellae narrow, 

 close, rounded behind, adnexed, at first violaceous then cinnamon- 

 brown ; spores brown, elliptic, 8x4 mic. 



Caespitose; growing on the ground in woods. New York 

 v.-est to Nebraska. Pileus 5-10 cm. in diameter; stipe 7-9 cm. 

 long, 3-6 mm. thick. The distinguishing feature of the species 

 is the violet color of the voung lamellae. 



i. 



