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

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The North American Species of Pholiota

Key
1. Stipe 1-2.5 mm thick........................................
1. Stipe (3) 4-12 mm or more thick........................................3
2. Pileus testaceous........................................ P. subtestacea
2. Pileus dull cinnamon color........................................ P. harenosa
3. Cespitose under larch; spores 7-9 X 3.5-4..................... P. gruberi
3. N o t a s a b o v e................................................................................................ 4
4. Young lamellae avellaneous; veil yellow, copious..................................................................... P. av ellan eifo lia
4. N ot as above.........................................................
5. Pileus virgate with dark brown streaks; stipe rooting and with much
sand adhering (as in Laccaria trullisata)............................ P. trullisata
5. N o t as ab o v e.............................................................................................. 6
6. Lamellae almost blackish brown when mature; pileus reddish
cinnamon; on the ground under oak....................... P. foedata
6. N ot as above........................................ 7
7. Lamellae yellow when young........................................
7. L am ellae n o t yellow at first................................................................... 9
8. Veil gelatinous; stipe viscid when young... P. g-oenlandica
8. Veil dry.................................... P. lubrica var. lteifolia
9. Lamellae pallid when young (see P. fulvozonata and P. bakerensis
a lso )................................................................. P. lu b r ic a
9. Lamellae dull brown when young................P. millri
183a. Pholiota groenlandica M. Lange, Meddelser on Gr0nland Bd.
148, Nr. 2 p. 7. 1957.
Pileus 6-7 cm broad, subglobose with strongly incurved margin, then
convex and finally almost flat or even slightly depressed, at first covered
by whitisl coating, which soon disappears without breaking up in patches,
leaving the cap naked, viscid-shining, pale Russet (h 1); cuticle detachable, elastic, hyaline; flesh thick almost to the edge, firm, pallid watery
brownish; cap margin with a dense white slimy veil; gills rather broad,
narrow towards margin, moderately crowded, 40 L, many very short 1,
decurrent, pale yellowish brown (k 4, Cream-Buff), slightly darker and
less bright when spores ripen, margin concolorous, entire; stipe 8 X 1.2 -1.5 cm, cylindrical, slightly widened above, base thickened, pallid yellowish brown above, darker, Cinnamon Rufous (e 4) in lower two thirds,
especially where touched, hollow, flesh concolorous, base felty, apex
finely white-pruinose, fibrillose downwards, somewhat slimy when young,
especially above.
Smell and taste faible. Sporeprint Tawny-Olive Clay Color.
Cuticle a thick layer of strongly gelatinizing hyphae, often with
thickened slightly and bright golden brown; gill trama similar, subbanded structure; trama of loosely woven, subhyaline hyphae, in places