The North American species of Pholiota, by Alexander H. Smith and L. R. Hesler.

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The North American Species of Pholiota

cate........................................ Section Hemipholiota
3. Not as above. Spores often with more than one germ pore near apex..............Section Variabilisporae
Section Sordidae Singer, Emended
Sydowia 15: 70. 1961.
This section is retained for species with a viscid pileus, relatively thin
somewhat hygrophanous context, non-truncate spores (but see P. davidsonii) and lacking pleurocystidia. The subhymenium may be gelatinous
or not.
Type species P. oedipus (Cooke) Orton
Key to Stirpes
1. Spore apex with a slight wall thickening around the apical pore........................................................ Stirps Serotina
1. Spore apex lacking any differentiation around the apical pore........................................................................................................... Stirps Discolor
Stirps Discolor
Key
1. Spores from 4-spored basidia 8-10 X 4-5.5 (6) L......... 4
1. Spores from 4-spored basidia 5-8 X 3-5......... 2
2. Pileus pale yellow; spores 4-5 ft wide....... P. contorta
2. N o t as ab o v e.......................................................................................... 3
3. Pileus with strong olive tones................................................ P. gum m osa
3. Pileus orange to tawny; lamellae spotted brownish... P. aurantioflava
4. Pileus context very soft and watery; stipe 1.5-3 mm thick..........5
4. Pileus context fairly pliant; stipe 3-6 mm thick.........................7
5. Cheilocystidia 6-15 fu wide.......................... P. striatula
5. Cheilocystidia 5-9 y/ wide............................. 6
6. Gills broad and subdistant (see P. subdefossa) P. mutans
6. Gills narrow and close........................................ P. discolor
7. Pileus dull reddish brown when young and fresh; stipe becoming
rusty brown below.......P. brunnea
7. Pileus yellowish to tawny (on disc); stipe pallid below.................................. P. d av id so n ii
27. Pholiota striatula sp. nov.
Illustrations: Text figs. 38-39; pl. 9b.

Pileus 1-3.5 cm latus, convexus, viscidus, hygrophanus, melleobrun