316 SECTION HYGROPHORUS 



Fig. 98. H. saxatilis 



Spores 7-9.5 X 4-5(6) /x, subellipsoid, smooth, pale yellowish in 

 Melzer's reagent. Basidia 46-60(70) X 6-9 /*, 2- and 4-spored. Pleuro- 

 cystidia and cheilocystidia none. Gill trama divergent, hyphae 4-8 ^ 

 broad. Cuticle undifferentiated; surface hyphae of the pileus repent, 

 narrow ( 2-3 ^ ) , colorless, more or less parallel, only slightly gelatinous, 

 a cutis. No hypodermium differentiated. Pileus trama of loosely 

 interwoven, more or less radial hyphae. Clamp connections present on 

 the hyphae of the cuticle, gill trama, and subhymenium. 



Habit, Habitat, and Distribution — Scattered under conifers on 

 steep hillsides or very rocky dry soil, Washington, Oregon, and Idaho, 

 August-October. 



Material Studied — idaho: Smith 53746, 54144, 54365. Oregon: 

 Smith 18156 (type, from Lost Creek, Oct. 30, 1941), 19254, 19991, 



