Part 1, 1914] AGARICACEAE 33 



2. Cortinellus decorus (Fries) P. Karst. Hattsv. 1: 25. 1879. 



A garicus jlavovirens Fries, Obs. Myc. 1: 25. 1815. Not A . flavovirens Pers. 1801. 

 Agaricus decorus Fries, Syst. Myc. 1: 108. 1821. 



Agaricus {Tricholoma) multipunctus Peck, Bull. N. Y. State Mus. 5: 73. 1899.- 

 Pleurotus decorus Sacc. Syll. Fung. 5: 342. ' 1887. 



Pileus thin, rather tough, convex becoming plane or slightly depressed, subexpanded, 

 7 cm. or more broad; surface moist, melleous, sometimes tinged with flavous, fuliginous at the 

 center, dotted with minute, brownish or blackish, hairy squamules, margin incurved; context 

 yellow, watery, mild, insipid; lamellae adnate to slightly sinuate, crowded, arcuate, cremeous- 

 flavous ; spores subglobose, smooth, hyaline, 5-6 X 4^5 /* ; stipe equal, often curved, stuffed or 

 hollow, melleous, fibrillose or squamulose, especially above, rarely glabrous, sometimes eccen- 

 tric, 2.5-6 cm. long, 4-6 mm. thick. 



Typs locality: Smoland, Sweden. 

 Habitat: Decaying trunks of coniferous trees. 

 Distribution: Temperate North America; also in Europe. 

 Illustration: Fries, Ic. Hymen, pi. 60, f. 1. 



3. Cortinellus rutilans (Schaeff.) P. Karst. Hattsv. 1: 24. 1879. 



? Agaricus variegatus Scop. Fl. Cam. ed. 2. 2: 434. 1772. 

 Agaricus rutilans Schaeff. Fung. Bavar. 4:5. 1774. 

 Tricholoma rutilans Quel. Champ. Jura Vosg. 40. 1872. 



Pileus fleshy, campanulate, becoming plane, 5-10 cm. broad; surface dry, at first covered 

 with a dark-red or purplish tomentum, then somewhat squamulose, sometimes yellowish with 

 age, margin thin, at first involute; context yellow, taste mild, odor none; lamellae crowded, 

 rounded, white to yellow, thickened and more or less villose and serrulate on the edges ; spores 

 globose or subglobose, 6-7.5 X 6-6.5 ju; stipe somewhat hollow, nearly equal or slightly thickened 

 or bulbous at the base, soft, pale-yellow variegated with red or purplish, floccose squamules, 

 5-10 cm. long, 10-16 mm. thick. 



Type locality: Bavaria. 



Habitat: On or about old stumps in coniferous or mixed woods. 



Distribution : Maine to North Carolina and west to Colorado and Washington ; also in Europe. 



Illustrations: Barla, Champ. Nice pi. 29, f. 4-8; Cooke, Brit. Fungi pi. 89 (74); Gill. Champ. 



Fr. pi. 69 (697); Lanzi, Funghi Mang. pi. 106, f. 1; Lucand, Champ. Fr. pi. 54; Sow. Engl. Fungi 



Exsiccati: Herpell, Prap. Hutpilze 96; Sydow, Myc. Mar. 3 307. 



4. Cortinellus cinnamomeus Murrill, sp. nov. 



Pileus firm, thin, convex to expanded, obtuse, cespitose, 3-7 cm. broad; surface bright- 

 reddish-cinnamon, dry, imbricate-squamose, scales linear-appressed, acute, margin fimbriate; 

 lamellae broadly adnexed, crowded, narrow, thin, light-chestnut-colored; spores subglobose, 

 colorless, about 7X6 ju; stipe cylindric, hirsute-squamulose, concolorous or slightly paler, 

 hollow, 3-6 cm. long, 4-8 mm. thick. 



Type collected on rotten pine wood at Biloxi, Mississippi, September, 1904, Mrs. F. S. Earle 65. 

 Distribution: Known only from the type locality. 



5. Cortinellus Glatfelteri Murrill, sp. nov. 



Pileus thin, broadly convex, never fully expanded, wood-loving, reaching 6 cm. broad; 

 surface dry, smooth, white, clothed with dark-umbrinous, stellate, floccose fibrils, which are 

 denser in certain spots and produce an illusive effect as though the surface were undulate; 

 margin very thin, slightly paler; context thin, white, odor strong, unpleasant, taste sweet; 

 lamellae adnate or slightly sinuate, pallid, not becoming darker with age, crowded, rather 

 narrow; spores pure- white in mass, ellipsoid, densely and minutely nodulose, 6-7X3-4 /a; 

 stipe somewhat eccentric at times, subequal, longitudinally striate, subconcolorous, minutely 

 hispid to subglabrous, solid, firm, rather tough, about 4 cm. long, 5 mm. thick. 



Type collected on a rotting trunk in St. Louis County, Missouri, July 10, 1902, N. M. Glatfeller 



872 



' Distribution: Known only from the type locality. 



