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

Smith ~ Hesler

117

region of hyphae 6-15 pe diam., cell walls thin and merely ochraceous to
pallid in KOH, not structurally differentiated from context and at least
in young material the hyphae about the same color. Clamp connections
present. All hyphae inamyloid.
HABIT, HABITAT, AND DISTRIBUTION: Caespitose on conifer logs, Idaho,
July, Smith,68254 (type) from Priest Lake.
OBSERVATIONS: The characters which mark this species include the
sharply conic young pileus, the highly colored gill trama as revived in
KOH, the cheilocystidia and the relatively small Psilocybe-like spores.
P. vernalis is close but differs sharply in the features of the caulocystidia.
It also has a more highly developed veil.
53. Pholiota subpapillata sp. nov.
Illustrations: Text figs. 489, 490, 492.
Pileus 1.5-3.5 cm latus, conico-campanulatus demum plano-umbonatus vel papillatus, viscidus, glaber, sordide cinnamomeus, deinde pallide
ochraceous (hygrophanus). Contextus brunneolus demum pallidus; sapor
mitis, cum "FeSO4" concolor. Lamellae confertae, angustae, adnatae,
brunneolae demum griseo-cacao color. Stipe 3-4 cm longus, 2-2.5 mm
crassus, aequalis, cavus, cartilagineus, deorsum atrobrunneus, sursum
griseo-brunneus, sericeus. Sporae 6-7 x 3-3.8 pL, truncatae. Pleurocystidia
28-42 x 8-13 pa, fusoide-ventricosa, obtusa. Specimen typicum in Herb.
Univ. Mich. conservatum est; legit prope Cour d'Alene, Idaho. 2 Oct.
1966. Smith 73854.
Pileus 1.5-3.5 cm broad, conic-umbonate to obtusely umbonate at
first, expanding to plano-umbonate or papillate, surface glabrous, viscid,
hygrophanous, dingy cinnamon ("Sayal brown" more or less) and fading
to pinkish buff, when old and wet grayish brown with a faintly striatulate
margin. Context thin, watery brown fading to pallid, odor and taste none,
FeSO4 no reaction.
Lamellae crowded, narrow, adnate-seceding, dull brownish young,
chocolate gray mature, horizontal, edges even.
Stipe 3-4 cm long, 2-2.5 mm thick, equal, hollow, cartilaginousfragile, blackish brown below, paler purplish brown to grayish brown at
the apex, naked or very thinly coated with silky grayish fibrils. Veil very
rudimentary.
Spore deposit earth brown, when moisture has escaped dull "Sayal
brown." Spores 6-7 x 3-3.8 p,, smooth, truncate from an apical pore,
shape in face view subelliptic to ovate, in profile obscurely inequilateral,
color in KOH dull cinnamon, in Melzer's about the same color; wall
about 0.25 u. thick.
Basidia 4-spored, 18-24 x 6-7 /A, slightly clavate, hyaline or nearly so
in KOH. Pleurocystidia 28-42 x 8-13 /L, fusoid ventricose to nearly utriform, hyaline in KOH, "empty," scattered to fairly abundant, smooth,