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

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The North American Species of Pholiota

tinuous with the stipe covering. Spores melleous or ferrugineous, smooth,
ovoid to ellipsoid or subinequilateral-elliptic ("vel subamygdaliformi-ellipsoideis"), wall hardly distinctly double, 6-8 X 4.2-4.5 p/; basidia
24-26 x 5.8 u/; cystidia none; cheilocystidia 61-72 x 5.8-10.1 p/. Clavate,
very rarely subcylindric, epicutis of pileus of cells 21-28 x 15-20 pu, with
encrusting pigment. On dead wood. Florida Singer F10003 (FLAS). It
is under the name Naucoria curcuma in the Florida herbarium.
This is another instance where a study of the type should be postponed until a critical revision of Phaeomarasmius sensu Singer can be
made. In the meantime it is obvious that if the species is a Pholiota in
our sense it is in stirps Curcuma near P. fagicola but the latter has
arcuate gills. In these agarics with small basidiocarps seldom collected in
quantity, type material is too valuable to be expended in any but final
critical studies.
Phaeomarasmius parvuliformis (Murr.) Singer, Schweitz. Zeitschrift
fur Pilzk. 34: 59. 1956.
Galerula parvuliformis Murrill, Proceed. Florida Acad. Sci. 7: 119. 1944.
Pileus 1.3 cm broad, conic to plane, with a prominent conic umbo,
surface dry, floccose-scaly, finely striate to umbo, pale rosy isabelline, dark
isabelline at center, margin entire, appressed when young; context very
thin, pallid; lamellae adnexed, rounded behind, ventricose, inserted,
medium distant, entire, soon pale-isabelline; stipe 20 x 1 mm, white,
finely floccose, equal.
Spores 8-11 X 5-7.2 /i, smooth, lacking a germ pore, elliptic, occasionally ear-shaped from a slight side projection, smooth, lacking a germ
pore, wall thin and not distinctly double (spore not Tubaria-like),
brownish to pale honey colored. Basidia 25.5 x 9 pu. Clieilocystidia
30-43 x 10.7-14.5 JL, ventricose, often constricted, or flash-shaped with a
broad neck (utriform), hyaline to light brown. Epicutis cellular (granulose?) with pigment incrusted interwoven hyphae forming hypoderm.
All hyphae in the type were brown, incrusted, and had clamp connections.
Again, the above description is that of Murrill with Singer's type
study for the microscopic features. If the cells of the epicutis disarticulate
this species would be close to our P. pseudosiparia. At present it does not
seem advisable to transfer G. parvuliformis to Pholiota.
Phaeomarasmius muricatus (Fr.) Singer, in Singer 8c Digilio, Lilloa
25: 387. 1951.
We have avoided using the name Pholiota muricata for a North
American species because of more than one concept extant in Europe for
this species at the present time. Singer (1963, p. 597) indicates that
Naucoria mexicana is a synomym of it. It is clear to us that much of