,,„, THE AGARICACEAE OF MICHIGAN 



516. Flammula flavida Fr. 



Svsi. Mvc. L821. 



[llustrations : Cooke, 111., PL 444. 



Ricken, Blatterpilze, PI. 58, Fig. 1. 



"PILEUS 4-7 cm. broad, cainpanulate-expanded, subumbonate, 

 moist, not viscid, even, glabrous, rather regular, bright yellow 

 (flavus), sometimes almost sulphur-yellow with pale fulvous disk, 

 decorated along the margin by the adherent, white or pallid remains 

 of the cartina. FLESH white then yellowish. GILLS adnate, 

 close, thin, rather narrow, at first white, soon yellowish then rusty- 

 fulvous, edge white-fimbriate. STEM 5-10 cm. long, 6-10 mm. thick, 

 cither narrowed or enlarged toward base, stuffed then hollow, fibril- 

 lose, flavus-yellow, rusty toward base, at length entirely rusty- 

 brown, sometimes with evanescent- annulus. CORTINA whitish. 

 SPORES elliptical, 8-9 x 4-5 micr., smooth, ferruginous. CYSTIDIA 

 clavate, 36-40x8-9 micr." 



Reported by Lonygear from Chandlers, Michigan. The description 

 is adopted from the Monographia of Fries, with additions from 

 Ricken. It seems to be well-marked by the non-viscid pileus, the 

 shreds of the cortina on its margin or on the apex of stem and the 

 spores. 



517. Flammula gummosa Fr. 



Epicrisis, 1836-38. 



Illustrations: Cooke, 111., PI. 441. 

 Fries, Icones, PI. 116, Fig. 2. 

 Ricken, Blatterpilze, PI. 57, Fig. 1. 



PILEUS 3-7 cm. broad, convex-plane, at length subdepressed or 

 subumbonate, with a glutinous, separable pellicle, even, pale ochra- 

 ceous mixed with buff and olivaceous hues, glabrescent. FLESH 

 thick on disk, concolor when moist, paler when dry. GILLS ad- 

 Qate-subdecurrent, broad behind, tapering in front, close, pale 

 ochraceouscmnamon, edge minutely flocculose. STEM 4-6 cm. 

 Long, I in nun. thick, rather firm, subequal, floccose-scaly above, 

 fibrillose below, stuffed, pallid above, umber downwards, dull red- 

 dish-umber when bruised at base. SPORES oblong-elliptical, 6-7 

 x 3 t micr., smooth, pale rusty-brown. CYSTIDIA scattered, ventri- 

 cose. tapering, 45-50*15 micr. ODOR and TASTE mild. ' 



