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PHOLIOTA<br />
4. Pileus cinnamon-brown, fading; spores rough, ellipsoid P. marginata<br />
4. Pileus yellowish buff or paler; spores smooth with a<br />
truncate apex (Figure 31, page 7) P. acericola<br />
5. Pileus viscid 6<br />
5. Pileus not viscid 7<br />
6. Edge of lamellae white-crenulate; spores 11-14 jli long P. albocrenulata<br />
6. Edge of lamellae even, not white; spores 7-9 fx long P. aurivella<br />
7. Stipe fibrillose; taste bitter; spores rough, 7-9 ju long P. spectabilis<br />
7. Stipe squarrose-scaly; taste not bitter; spores smooth, less than 6 jli long 8<br />
8. Pileus bright golden yellow to orange; scales<br />
soft and floccose P. flammans<br />
8. Pileus dull colored, cinnamon-buff to tawny; scales stiff P. squarrosoides<br />
PHOLIOTA ACERICOLA Peck<br />
Figure 265, page 173<br />
PILEUS 1-3 in. broad, fleshy, at first convex with an inrolled margin,<br />
becoming expanded, at times broadly subumbonate, nonstriate, smooth, glabrous,<br />
slightly hygrophanous, pale watery brownish to yellow-buff* when<br />
moist, unpolished and paler when dry. flesh white, rather thin except on the<br />
disk. LAMELLAE adnatc, sinuate to slightly subdecurrent on the stipe, moderately<br />
broad, close, paUid, sometimes with a purpHsh tint, then dull brown<br />
from the spores, stipe 2-4 in. long, V^-Yi in. thick, equal or enlarged at the<br />
base, stuff'ed within, glabrous to fibrillose-striate, paUid, usually with strings<br />
of whitish mycelium at the base, annulus persistent, ample, membranous,<br />
white or pallid, tending to be remote from the apex, spores dull brown,<br />
smooth, ovoid with a truncate apex, 8.5-10.5 X 5-6.5 /x. cystidia flask-shaped<br />
to ventricose, occasionally divided at the tip to form two or three blunt<br />
projections.<br />
Single or in groups on decaying stumps and logs, occasionally on the<br />
ground, rather common. June-Sept.<br />
This species is most likely to be confused with P. praecox. The latter<br />
usually grows on the ground in open grassy places and P. acericola usually is<br />
on rotten wood but is sometimes found on the ground in woods. The white<br />
mycehal strands at the base of the stipe of P. acericola are a helpful distin-<br />
guishing character. The slightly purpHsh cast of the lamellae is another field<br />
character to watch for.<br />
The edible qualities of this species are not known but it might be confused<br />
with the poisonous P. autumnalis. If a microscope is available they can easily<br />
be distinguished by the spores. P. acericola is usually a taller, more slender<br />
plant, paler and more yellowish in color.<br />
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