1918] 
ZELLER AND DODGE—RHIZOPOGON 9 
hyaline, 2-8-spored (mostly 8-spored); sterigmata 6-10 и 
long; spores acrogenous, dilute cream-colored under the 
microscope, ellipsoid, 5.3-7х2-3.9 и, smooth, often 2-guttu- 
late. 
Clinging to sides of an overhanging rocky cliff among 
rhizomes of Adiantum pedatum. Washington. Summer. 
Specimens examined: 
Washington: Friday Harbor, S. M. Zeller, 1360, type (in 
Zeller Herb., 1360, Dodge Herb., 823, and Mo. Bot. Gard. 
Herb., 54977); Bingen, W. N. Suksdorf, 811 (in Lloyd 
Mus., 7300). 
5. Rhizopogon pachyphloeus Zeller & Dodge, sp. nov. 
Fructificationes ovoideae, 2.5-3 em. in diametro metiens, post sic- 
candum compactae, recens ochraceae vel isabellinae (Murrilli mem- 
oranda), “Brussels-brown” vel “Рау” (Ridgway) vel saturatius; 
odor foetidus, non late penetrans (Murrillo teste); funiculi prom- 
inentes, tenues, innati-applicati, ramosissimi, etiam ‘reticulati, totam 
fructificationem in reticulo cireumcludentes, fusci, peridio satura- 
tiores, purpurescentes semitranslucentesque; peridium 540-600 
crassitudine, simplex, compactum, hyphis irregularibus vesiculosis 
contextum, gelatinosis, “ yellow-ochre? (Ridgway) sub lente; gleba 
umbrina, albidis eum к, recens conspersa, siccando nigrescens, 
recens mollis et gelatinosa, sed sicca dura, nitensque ubi caesa; 
locelli subglobosi vel irregulares, sporis impleta, circa 120 д lati- 
tudine; septa 40 y crassitudine, hyalina, hyphis gelatinosis contexta, 
non өсіне На; basidia prominentia, hyalina, gelatinosa, 6-8X 11- 13 
ци, piriformia, sterigmatibus brevibus; sporae umbrinae, acrogenae, 
cremeae sub lente, ellipsoideae, rare allantoideae, 1- —2-guttulatae, 
leves, nucleo longo "media in cellula locato, 3-5x(5-10 m 
Habitat in ded inter lichenes. Ubique. Hieme. 
Type: in N. Y. Bot. Gard. Herb. 
Fructifications ovoid, 2.5-3 cm. in diameter, perceptibly 
shrinking on drying, ‘‘ochraceous to isabelline’’ (Murrill) 
when fresh, drying to Brussels-brown or even bay and darker; 
odor ‘‘foul but not very ‘spreading’ ’’ (Murrill) ; fibrils prom- 
inent, slender, innate-appressed, much branched and reticu- 
lated, enclosing the whole fructification in a net, brownish 
when drying, darker than the peridium, color ‘‘red-am- 
ber," semi-translucent; peridium thick, 540—600 д, simplex, 
compact, of interwoven, irregularly vesiculose, gelatinized, 
large hyphae, yellow-ochre under the microscope; gleba 
