166 NORTH AMERICAN FLORA [VoLuME 9 
2. Dictyolus retirugus (Bull.) Quél. Ench. Fung. 140. 1886. 
t 
Elvela retiruga Bull. Hist. Champ. Fr. 289. 1791. 
Merulius reticulatus Pers. in J. F. Gmel. Syst. Nat. 2: 1431. 1791. 
Merulius retivugus Pers. Syn. Fung. 494, 1801. 
Chanterel retirugus Fries, Syst. Myc. 1: 324, 1821. 
Pileus sessile or subsessile, membranaceous, expanded, irregularly flabelliform, 1-2 cm. 
broad; surface cinereous, minutely scabrous; margin undulate or lobed, tan or brown: 
lamellae radiating from point of attachment, reticulate, anastomosing, thin, obtuse: spores 
broadly ellipsoid, smooth, granulose, 6-10 X 4-8 #. 
TYPE LOCALITY: France. 
HABITAT: On mosses. . . 
DISTRIBUTION : Greenland and Alaska to Minnesota and California; also in Europe. 
ILLUSTRATIONS: Bull. Herb, Fr. /. 498, 61; Minn. Bot. Stud. 4: pl. I2. 
DOUBTFUL SPECIES 
Chanterel bryophilus Peck, Harriman Alaska Exp. Crypt.46. 1904. (NotC. bryophilus 
Fries, Syst. Myc. 1. 325. 1821.) Apparently not distinct from D. retirugus. 
4. ASTEROPHORA Ditmar, Neues Jour. Bot. 
Schrad. 3°: 17. 1809. 
Nyctalis Fries, Syst. Orb. Veg. 78. 1825. 
Sphaeropus Paulet; Paulet & Lév. Ic. Champ. 108, assynonym. 1855. 
Hymenophore fleshy, putrescent, usually parasitic on other agarics; pileus convex or 
depressed, often conidia-bearing ; lamellae fold-like, not forked, veil fibrillose or none: 
spores hyaline or brownish: stipe central, fleshy. 
Type species, Asterophora lycoperdoides (Buli.) Ditmar. 
1. Asterophora Clavus (Schaeff.) Murrill. 
Elvela Clavus Schaeff. Fung. Bavar. 4: Ind. 111. 1774. 
Agaricus lycoperdonoides Bull, Herb. Fr. pl. 166. 1783. 
‘Asierophora lycoperdoides Ditmar, Neues Jour. Bot. Schrad. 3° : 17. 1809. 
Asterosperma agaricoides Pers. Champ. Comest. 132. 1819. 
Onygena agaricina Schw. Schr. Nat. Ges. Leipzig 1: 65. 1822. 
Nycialis asterophora Fries, Epicr. Myc. 371. 1838. 
Pileus hemispheric to depressed, usually distorted, gregarious, 1-2 cm. broad; sur- 
face white to fawn-colored or brownish, floccose, spongy, usually powdered with the 
brownish chlamydospores; margin involute, thick: context thick, fleshy, grayish-white, of 
farinaceous taste and odor; Jamellae thick, dull-grayish, distant, adnate, usually undevel- 
oped: spores not seen ; chlamydospores large, stellate, brownish, 15-20: stipe pruinose, 
white to brownish, stuffed or hollow, brown within, 1.5-2.5 cm. long, 3-8 mm. thick. 
TYPE LOCALITY: Bavaria. 
HABITAT: On decaying, Russula, Lactaria, Chanterel, Clitocybe, and other large species of 
agarics. ; 
DISTRIBUTION: Eastern United States and Cuba; also in Europe. 
ILLUSTRATIONS: Schaeff. Fung. Bavar. 4: f/. 279; Bull. Herb. Fr. £/. 166 ; Sturm, Deuts. Fl. 
Pilze 3: 6/1. 53, Sow. Engl. Fungi f/. 383 ; Pers. Champ. Comest. p/. i. , 
Exsiccati: Sydow, Myc. Mar. 2813. 
5. TROGIA Fries, Gen. Hymen. 10. 1836. 
Hymenophore membranous, deeply infundibuliform or tubular, putrescent ; hymenium 
plicate, veil none: spores hyaline: stipe central, usually tough. 
Type species, Chanterel aplorutis Mont. 
1. Trogia cinerea Pat. Bull. Soc. Myc. Fr. 18: 172. 1902. 
Pileus membranaceous, infundibuliform, 8-10 mm. high and nearly as broad; surface 
cinereous, glabrescent ; margin inrolled: lamellae simple, equal, decurrent, numerous, very 
narrow, obtuse and somewhat canaliculate, 0.5 mm. wide, pale reddish-brown, pruinose : 
spores ovoid or subglobose, smooth, hyaline, 6-7: stipe cylindric, elongate, regular, 
central, 2-3 cm. long, 1-2 mm. thick, glabrous, whitish, solid, the mycelium forming a 
small white disk at the base. 
TYPE LOCALITY: Guadeloupe. 
HaBITaT: On rotten peduncles of Hoffmannia tubifiora. 
DISTRIBUTION : Known only from the type locality. 
