120 FUXGUS-FLOKA. 



I. STRIAEPEDES. 



* Gills broad, rather distant. 



Collybia radicata. Eelh. 



Pileus l|-4 in. across, flesh thin, soft, elastic, white, 

 convex then expanded, more gibbous than umbonate, often 

 irregular, glutinous, radiately rugose or wrinkled ; brownish- 

 olive, ochraceons-brown, sometimes with a greenish tinge, 

 rarely altogether white ; gills narrowed behind and adnexed, 

 often with a decurrent tooth, at length separating more or 

 less from the stem, ventricose, distant, rather thick, white ; 

 fritem 4-7 in. long, 3-5 lines thick at the base, from where it 

 becomes gradually thinner upwards, glabrous, but at length 

 more or less stria tely grooved, the cartilaginous cuticle often 

 twisted, greyish-pallid, base fusiformly rooting, often 6-8 in. 

 long, descending vertically; spores elliptical, 14-15 x 8-9 p.. 



Agaricus radicatus, Kelh., Cant., no. 1040; Cke., Hdbk., 

 p. 62; Cke., Illustr., pi. 140. 



In woods and grassy places under trees. 



Distinguished by the viscid, rugulose pileus and the long, 

 polished stem, ending in a long, tapering root. 



C. longipes differs in the more or less downy pileus and 

 stem. 



Pileus 3 in. or more broad, flat, more or less umbonate, 

 radiato-rugose, smooth, at first slimy, carnose, tough elastic, 

 delicate fusco-ochraceous, olivaceous, &c., often irregular, 

 triangular, &c. Gills white, thick, distant, ventricose, 

 adnate, with or without a tooth, sometimes almost decurrent. 

 Spores white, nearly round. Stem 4-8 in. high, abuut -$ of 

 an inch thick, attenuated upwards, twisted, not smooth but 

 rather furfuraceous, sometimes striate above with raised 

 lines, paler than the pileus, juicy, brittle, splitting longi- 

 tudinally, but sometimes tough, stuffed at length, sometimes 

 hollow, ruftscent within, penetrating very deeply into the 

 ground by a fusiform root. (Berk.) 



Collybia longipes. Bull. 



Pileus 1-2 in. across, flesh rather thin, conical then ex- 

 panded, umbonate, dry, minutely downy or velvety, pale 

 brown; gills adnexed and rounded behind, U-2 lines broad, 



