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

Smith ~ Hesler

311

hymenium of narrow branched non-gelatinous hyphae. Pileus cutis a
loosely interwoven layer of non-gelatinous, hyaline to ochraceous hyphae
4-7 u diam; hypodermial region continuous with the pileus context, the
hyphae inflated and with ochraceous walls fading to hyaline. Clamp connections present.
HABIT, HABITAT, AND DISTRIBUTION: Gregarious on wet humus beneath a conifer log, July 17, 1956, near Sinclair, Maine, Bigelow 3331.
OBSERVATIONS: The spores in KOH are the color of a Conocybe but
are not truncate and the pileus lacks an hymeniform or cellular epicutis.
The species might be placed in Galerina where it would go in section
Porospora. The stature, however, is more like P. scamba than of any
other species, and its essential characters place it in Pholiota or in Galerina.
Stirps Subamara
169. Pholiota subamara sp. nov.
Illustrations: Text figs. 514-516.
Pileus 3-9 cm latlts, convexus, demurm planus vel late depressls, rare
subumrnbonattus, viscidus, lutels, ad marginem striatulus. Contexttls snbluteus. Sapor tarde amarus. Stipes 4-10 cm longus, 3-6 mm crassus,
flexlnosius, lutetns, siCCIu, fibrillosi(s, cavus. Sporae in cumuilo hepaticolor,
7-9 x 4-5 jI, leves. Pleurocystidia 48-70 x 9-15 ft, fusoide ventricosa.
Specimen typicum in Herb. Univ. Mich. conservatum est; legit prope
Cades Cove, G.S.M.N.P., 9 Nov. 1940. L. R. Hesier 12950.
Pileus 3-9 cm broad, convex, then expanded, finally plane and
slightly depressed, at times slightly umbonate, very viscid, at first "ochraceous-buff" to "antimony-yellow," then "yellow-ochre," disc usually
darker, radiately brown-fibrillose, at times with scale-like patches of veil
remnants margin striatulate when wet, even when dry. Context thin,
pliant, yellowish with an olive-ochre tint; odor like wood, taste mild then
slightly bitter.
Lamellae adnate, with a decurrent tooth, seceding (as the pileus
expands), "amber-yellow," at first, then "tawny-olive" to "buckthorn
brown," close, broad, rounded behind, many short, edges fimbriate.
Stipe 4-10 cm long, 3-6 mm thick, flexuous, concolorous with the
pileus, dry, fibrillose, hollow. Veil usually evanescent.
Spores 7-9 X 4-5 p, smooth, apical pore distinct; liver color in
deposit; shape ovate to elliptic in face view, in profile obscurely inequilateral to slightly bean-shaped; in KOH dull tawny, in Melzer's reagent
ochraceous buff; wall about 0.3 ut thick.
Basidia 25-28 x 5-7 /x, 4-spored, clavate, yellow in KOH and merely
duller in Melzer's reagent. Pleurocystidia 48-70 x 9-15 Fu, fusoid-ventricose, apex obtuse, rarely forked, walls thin and smooth, content homogeneous and ochraceous to hyaline. Cheilocystidia 25-38 x 7-10 lu, fusoid