334 My co logical Flora. 



599. CORTINARIUS (MYXACIUM) MACULATUS. H. Sp . 



"Egg-yellow Cortinarius." 



Pileus thin, membranaceous, soft, thin except the disk 

 which is thick, firm, broadly umbonate, smooth, shining, 

 excessively viscid, bright egg yellow, dotted here and there 

 with iron rust colored spots, cuticle tough, with a kid leath- 

 er feel when dry; gills attached with a tooth, at first whit- 

 ish, then yellow, then dark cinnamon brown, sharp, smooth 

 edges; stipe, equal, stout, not annulate or bulbous, whitish, 

 fibrilose, more or less curved. 



Breadth of pileus, 2 to 5 inches; stipe 3 to 5 inches 

 high, 2 to 6 lines thick. 



In woods on decaying Acer stumps. Nicollet Island. 

 October. 



Spores large, regular spheres, appearing frequently nu- 

 cleated. 



600. Cortinarius (Myxacium) radicibus. n.sp. 

 Rooting Cortinarius. 



Pileus sub-vicid when moist, polished when dry, shining, 

 fleshy, convex, then expanded; stem solid, fibrous, cylin- 

 drical, smooth, straight or crooked, annulated, annulus ]^ 

 inch from top of stipe standing up, upper surface color of 

 the gills, base sending out long, white, fibrous roots; gills 

 broad, sub-decurrent, lightish or gray, then cinnamon. 



Pileus ^ to 1^ inches broad; stem 2 to 3 inches high, 

 2 to 3 lines thick. 



Spores reddish ochre, or Ferri Carb. color, very small, 

 egg shape. 



On the ground in woods. May. 



601. Cortinarius (Dermocybe) ochroleucus. Fr. 

 " Pallid Cortinarius." 



