24 NORTH AMERICAN FLORA [Volume 10 



Type locality: Bavaria. 

 Habitat: In thin woods. 



Distribution: Northeastern United States; also in Europe. 



Illustrations: Atk. Stud. Am. Fungi/. 86; Schaeff. Fung. Bavar. pi. 37; Fries, Ic. Hymen. 

 pi. 26; Gill. Champ. Fr. pi. 51 {31). 



82. Melanoleuca equestris (L.) Murrill. 



Agaricus equestris L. Sp. PI. 1173. 1753. 

 Agaricus crassus Scop. Fl. Cam. ed. 2. 2: 442. 1772. 

 Agaricus aureus Schaeff. Fung. Bavar. 4: 19. 1774. 

 Tricholoma equestre Quel. Champ. Jura Vosg. 39. 1872. 



Pileus fleshy, compact, convex becoming expanded, obtuse, 7.5-12.5 cm. broad, surface 

 pale-yellowish, more or less reddish- tinged, the disk and central scales often darker, margin 

 naked, often flexuous ; context white or tinged with yellow, at first farinaceous, then unpleasant 

 to the taste; lamellae rounded behind, close, nearly free, sulfur-yellow; spores 6-7.5X4-5 n\ 

 stipe stout, solid, pale-yellow or white, white within, 2.5-6 cm. long, 1-2 cm. thick. 



Type locality: Sweden. 



Habitat: Under or near conifers. 



Distribution: Canada to Alabama and west to California; also in Europe. 



Illustrations: Barla, Champ. Nice pi. 24, f. 1-12; Bull. N. Y. State Mus. 157: pi. 124, f. 6-9; 

 Cooke, Brit. Fungi pi. 72 (59); Gill. Champ. Fr. pi. 64 (672); Lucand, Champ. Fr. pi. 1; Mycologia 

 l:pl.l,f.3. 



83. Melanoleuca rhinaria (Berk. & Curt.) Murrill. 



Agaricus (Tricholoma) rhinarius Berk. & Curt. Ann. Mag. Nat. Hist. III. 4: 2. 1859. 



Pileus convex, obtuse, densely gregarious, 13 cm. broad; surface yellowish-brown and 

 slightly areolate in the center, yellowish-white on the margin, which is scaly and at first in- 

 volute; lamellae more or less forked, emarginate, adnate, crowded, white to yellow; spores 

 ellipsoid, smooth, hyaline, granular, 5-6X3-4ju; stipe stout, furfuraceous, yellow, 8-10 cm. 

 long, 2 mm. thick. 



Type locality: New England. 

 Habitat: Among leaves in woods. 

 Distribution: New England. 



84. Melanoleuca subterrea Murrill, sp. nov. 



Pileus subconic or convex to expanded, irregular at times, gregarious, reaching 6-8 cm.- 

 broad; surface viscid, gray, with black fibrils arranged in lines, the disk somewhat darker, 

 margin thin, concolorous, usually entire; context white, taste farinaceous; lamellae sinuate, 

 ventricose, subcrowded, unequal, white with a yellowish tint; spores ellipsoid, smooth, hyaline, 

 5-6X2-3 ju; stipe rather short, subequal, smooth, glabrous, white or slightly yellowish, hollow, 

 4-6 cm. long, 1 cm. thick. 



Type collected on the ground in pine woods near Auburn, Alabama, December 24, 1899, Mrs. 

 F. S. Earle. 



Distribution: Alabama. 



85. Melanoleuca centralis (Peck) Murrill. 



Tricholoma portentosum centrale Peck, Bull. N. Y. State Mus. 5: 673. 1899. 



Pileus convex, sometimes slightly umbonate, gregarious, reaching 3-8 cm. broad ; surface 

 viscid, virgate with innate blackish fibrils, pale-yellow or greenish-yellow, sooty-brown in the 

 center; context white; lamellae moderately broad and close, emarginate, white or yellowish; 

 spores broadly ellipsoid, smooth, hyaline, 4-6 /z; stipe equal, solid, white, 4^-8 cm. long, 6-10 

 mm. thick. 



Type locality: Sandlake, New York. 



Habitat: In woods. 



Distribution: Northeastern United States. 



Illustrations: Bull. N. Y. State Mus. 5: pi, 57, f. 1-5. 



86. Melanoleuca subsejuncta (Peck) Murrill. 



Tricholoma subsejunctum Peck, Bull. N. Y. State Mus. 157: 53. 1912. 



Pileus fleshy, conic or convex, gregarious, 2.5-6.5 cm. broad; surface slightly viscid when 

 moist, virgate or reticulate with blackish-brown fibrils, blackish-brown, often pale-yellow or 



