138 SECTIOX HYGROCYBE 



side and out, paler or white at the base, equal to subequal, terete or 

 compressed, fibrillose to glabrous, striate, sometimes twisted-striate, 

 easily splitting, equal or clavate to ventricose below, lubricous to the 

 touch at times but lacking gelatinous hyphae, not blackening when 

 wounded, but the base usually blackening in age. 



Spores 9-15 X 5-9 /*, ellipsoid, some irregular, at times constricted, 

 pale yellow in Melzer's reagent, white in mass. Basidia 38-60 X 

 7-12 fx, 1-, 2-, 3-, and 4-spored. Pleurocystidia and cheilocystidia none. 

 Gill trama parallel, hyphae 5-20 p broad. Cuticle an ixocutis, consisting 

 of a narrow (30-50 fi), gelatinous zone of repent, radially-disposed, 

 broad hyphae (6-18 /a) with a few to many free ends more or less 

 erect, the terminal elements often ventricose. No hypodermium. Pileus 

 trama of radial, parallel hyphae, which are quite similar to the surface 

 hyphae. Clamp connections present. 



Habit, Habitat, and Distbibution — Single to scattered on soil 

 and humus, in deciduous, coniferous, and mixed woods, Michigan, 

 Tennessee, North Carolina, South Carolina, Florida, Nebraska, Texas, 



Fig. 37. H. acutoconicus var. acutoconicus 



