Part 4, 1915] AGARICACEAE 271 
89. Marasmius iocephalus (Berk. & Curt.) Pennington. 
Agaricus (Mycena) iocephalus Berk. & Curt. Ann. Mag. Nat. Hist. II. 12: 420. 1853. 
Pileus submembranous to membranous, broadly convex, gregarious or subcespitose, 
1.5—4 cm. broad; surface striate or sulcate, violet, bluish-gray at times in dried plants: context 
having a strong odor; lamellae adnate, distant, rather narrow, paler than the pileus: spores 
7 X 3.5 w: stipe attenuate upward, densely tomentose above, strigose below, white or yellowish, 
4-5 cm. long, 2-4 mm. thick. 
TYPE LOcaLIty: South Carolina. 
Hasirat: Upon leaves in woods or swamps. 
DISTRIBUTION: New York to Alabama. 
90. Marasmius peronatus (Bolt.) Fries, Epicr. Myc. 375. 1838. 
Agaricus peronatus Bolt. Hist. Fung. 58. 1788. 
Pileus subfleshy, tough, broadly convex, sometimes subumbonate, 2-6 cm. broad; surface 
tich-brown with a reddish tint in dried plants, glabrous; margin lighter than the disk, smooth, 
somewhat irregular: context tough, coriaceous, whitish, the taste unpleasant, acrid; lamellae 
pallid to reddish, close, rather broad, adnexed: spores ovoid, 6-8 X 3-4 uw: stipe flavid to sub- 
rufous, equal, often compressed, villous-corticate, peronate-strigose at the base. 
Types LocaLity: England. 
Hastrat: Upon dead leaves in woods. 
DistRIBsutION: New York and California; also in Europe. 
ILLustRations: Bolt. Hist. Fung. pl. 58; Cooke, Brit. Fungi #1. 1117 (1070); Cordier, Champ. 
Fr. pl. 14,f.2; E. & P. Nat. Pfl. 1**: f. 113, H; Gill. Champ. Fr. pl. 445; Lanzi, Funghi Mang. #1. 13, 
f.2; Pat. Tab. Fung. 1.411; Richon & Roze, Atl. Champ. pl. 49, f. 5-10; Ricken, Blatterp. Deutschl. 
pl. 25, f. 1; Sow. Engl. Fungi 1. 37. 
Exsiccati: Herpell, Prap. Hutpilze 52; Roum. Fungi Sel. 7238; Sydow, Myc. Mar. 305. 
91. Marasmius subnudus (Ellis) Peck, Ann. Rep. N. Y. State Mus. 
51: 287. 1898. 
Marasmius peronatus subnudus Ellis, N. Am. Fungi 909. 1883. 
Pileus subfleshy, thin, tough, flexuous, broadly convex to plane, gregarious or subcespitose, 
2-4 em. broad; surface brownish-red, dingy-bay, or russet, smooth, margin even, smooth or 
substriate: context thin, tough, white, the taste unpleasant, bitter; lamellae pallid or yellowish, 
becoming darker in dried plants, narrow, subdistant, slightly adnexed or free, becoming 
remote in old, dried plants: spores 8-10 X 4.5 w: stipe reddish-brown to nearly black, covered 
with a dense, white tomentum or nearly naked at the apex, slender, firm, equal, solid or stuffed, 
4-8 cm. long, 2-4 mm. thick. 
TYPE LOCALITY: New Jersey. 
Hapitat: On the ground among leaves, twigs, etc., in woods. 
Exsiccatr: Ellis, N. Am. Fungi 909. 
92. Marasmius rubrophyllus Pennington, sp. nov. 
Pileus subfleshy, tough, broadly convex to nearly plane, often slightly depressed, gre- 
garious, 1-4 cm. broad; surface dry, smooth, reddish-brown to dark-alutaceous, margin even: 
lamellae adnexed or adnate, moderately close, narrow, reddish, becoming reddish-brown in 
dried plants: spores 7 X 3.5 mu: stipe firm, even, short, reddish-brown, uniformly covered with 
a white down or pruinose coat, 2-3 cm. long, 1-2.5 mm. thick. 
Type collected upon bark at the base of a white oak tree in the forest near Ann Arbor, Michigan, 
September, 1907, L. H. Pennington (herb. Pennington). 
Hapirat: On bark, dead leaves, and dead twigs in woods. 
DIstRIBUTION: Temperate North America east of the Mississippi River. 
93. Marasmius caryophylleus (Schaeff.) Schrét. Krypt.-Fl. Schles. 
31: 561. 1889. 
Agaricus caryophyllaeus Schaeff. Fung. Bavar. 4: Ind. 33. 1774. 
Agaricus oreades Bolt. Hist. Fung. 151. 1791. 
Marasmius oreades Fries, Epicr. Myc. 375. 1838. 
Scorteus oreades Earle, Bull. N. Y. Bot. Gard. 5: 415. 1909. 
Pileus fleshy, tough, convex, plane or subumbonate, 3-5 cm. broad; surface white to pale- 
tan or reddish-pallescent, glabrous; margin at first involute, smooth, even, sometimes reflexed 
