NATURAL HISTORY SURVEY 63 



Cantharellus infundibuliformis Scop. 



PiUuis thin, broadly convex when young, becoming umbilicate, 

 or funnelform with age, often pervious, frequently lobed, wavy or 



irregular on the margin, hygrophanous, sooty brown, brownish 

 yellow or dingy yellow when moist, grayish yellow or grayish 

 brown and slightly fioccosc or fibrillose when dry. 



Lamellae narrow, distant, decurrenf, irregularly or dichoto- 

 mously branched, yellowish or subcinereous, becoming pruinose 

 with age or in drying. 



Stem slender, glabrous, hollow, yellow or yellowish. 



Spores broadly elliptic or subglobose, 9 to 11 x 7.5 to 9 p. 

 Pileus 2.5 to 5 cm. broad; stem, 2.5 to 10 cm. long, 3 to 5 mm. 

 thick. 



Ground, in damp woods. Glencoc. Harper. 



MARASMIUS. 



Tough, arid fungi, shriveling, reviving when moist; hymeno- 

 phore continuous with the stem, but heterogenous, descending 

 into the trama; veil none; stem cartilaginous or horny; lamellae 

 pliant, acute, somewhat distant, quite entire. Spores white. 



Pileus fleshy-tough, margin at first involute, mycelium floccose. I 

 Pileus membranous, margin at first straight, mycelium rhizo- 



morphous 5 



1. Stem solid or stuffed 2 



1. Stem hollow 3 



2. Stem white-villous at the base M . wrens. 



2. Stem naked at the base M. oreades. 



3. Pileus clothed with matted down M. dichrous. 



3. Pileus smooth 4 



4. Stem very long,tomentose, radicating.il/. longipes. 

 4. Stem of medium length, velvety, not 



radicating M. pyrocephalus. 



4. Stem glabrous M . calopus. 



5. Stem glabrous 6 



5. Stem white-farinose 7 



6. Pileus ochraceous-red M. siccus 



6. Pileus whitish, opaque .1/. rotula. 



7. Pileus pure white, subpellucid M. nigripes. 



Marasmius urens Bull. 



Acrid. Pileus fleshy then coriaceous, convex-plane, glabrous, 

 even, at length wrinkled or rivulose. 



Lamellae free, joined together behind, pale or yellowish, 

 changing to brownish, at length remote, distant, firm. 



Stem fibrous, solid, rigid, pallescent, mealy with white fiocci 

 and white villous at the base. 



Pileus 2 to 3.5 cm. broad; stem 5 to 7.5 cm. long. 



On dead leaves in woods. Frequent. Considered poisonous. 



