380 SECTION HYGROPHORUS 



3. Odor strongly aromatic; stipe glabrous 236. H. odoratus 



3. Odor not distinctive; stipe either fibrillose or colored or both in lower 



part 4 



4. Pileus glabrous; lamellae narrow; stipe brownish . .237. H. nigridius 

 4. Pileus virgate; lamellae broad; stipe fibrillose below from a colored 



veil 238. H. fuscoalboides 



5. Stipe apex distinctly scabrous-punctate, and the rough projections not 



staining gray 6 



5. Stipe silky to pruinose above, or ornamentation may stain gray 7 



6. Spores 5.5-8 X 3-4.5 fi; growing under hardwoods 



239. H. albofuscus 



6. Spores 8-11 X 5-6 ^; growing under spruce and fir 



(see 185. H. pustulatus, page 306; also 205. H. pudorinus var. sub- 



cinereus, page 338 ) 



7. Odor of bitter almonds; stipe typically whitish at first 



240. H. agathosmus 



7. Not as above 8 



8. Odor of crushed flesh pungent-almost mephitic; growing under hard- 

 woods 241. H. camarophylloides 



8. Not as above 9 



9. Lamellae white to creamy but soon flushed delicate pink; stipe buffy 



brown; spores 5.5-8 X 4-5 /x 242. H. calophyllus 



9. Lamellae white to gravish or some color other than pink 10 



10. Stipe 1-2.5 cm thick 11 



10. Stipe seldom over 10 mm thick 12 



11. Pileus white to pallid to grayish or in age blackish . . 199. H. marzuolus 



11. Pileus fuscous to blackish when young 243. H. camarophyllus 



12. Lamellae avellaneous young 13 



12. Lamellae white or some color other than above 14 



13. Pileus dark rusty brown 227. H. avellaneifolius 



13. Pileus avellaneous to pinkish buff tinged gray 



225. H. cinereipallens var. cinereipallens 



14. Spores 8-11 X 5-7 /x; stipe with yellowish stains . .244. H. morrisii 



14. Spores 7-9(10) X 4-5 /x; stipe not as above 



see 183. H. tephroleucus var. tephroleucus, page 303; and 



185. H. pustulatus, page 306 



235 



Hygrophorus inocybiformis Sm. 



Mycologia 36: 246. 1944 



Illustrations : 



Fig. 121; also 8f. 



Pileus 3-6 cm broad, conic to obtuse when young, the margin in- 

 curved and fringed with the remnants of a fibrillose veil, expanding to 

 campanulate or obtusely umbonate, sometimes plane or the disc 

 slightly depressed, dark gray ( "drab" ) over all or with drab fibrils over 

 a pallid background in age, dry, innately fibrillose to fibrillose-squamu- 

 lose. Context whitish or tinged pallid gray near surface, unchanging 



