ParT 3, 1910] BOLETACEAE 149 
40. Ceriomyces subtomentosus (L.) Murrill, Mycologia 1: 153. 1909. 
Boletus subtomentosus L,. Sp. Pl. 1178. 1753. 
Ceriomyces jujubinus procerus Batt. Fung. Hist. 64. 1755. 
Boletus crassipes Schaeff. Fung. Bavar. pl. 112. 1763. 
? Boletus communis Bull. Herb. Fr. pl. 393, B. 1788. 
Leceinum sublomentosum S. FE. Gray, Nat. Arr. Brit. Pl. 1: 647. 1821. 
Rostkovites subtomentosus P. Karst. Rev. Myc. 39: 16. 1881. 
Versipellis subtomeniosus Quél. Ench. Fung. 158. 1886. 
-Kerocomus subtomentosus Quél. Fl. Myc. Fr. 418. 1888. 
? Boletus alutaceus Morgan ; Peck, Bull. N. Y. State Mus. 8: 109. 1889. (Type from Kentucky.) 
Pileus convex to expanded, 4-10 cm. broad; surface dry, tomentose, often rimose- 
areolate, yellowish-brown, reddish-brown or subolivaceous; margin entire, often involute 
when young: context white or yellowish, unchanging, yellow beneath the cuticle, taste 
mild; tubes adnate or slightly depressed, often becoming nearly free, yellow, unchanging 
when wounded, greenish-yellow at the maturity of the spores, mouths large, irregular, 
sometimes compound, usually angular: spores greenish when fresh, fading to yellowish- 
brown, subfusiform, smooth, 10-12>%4-54: stipe ventricose or nearly equal, tapering 
below, furfuraceous to glabrous, even, or wholly or partially reticulate, pale-yellow or 
slightly brownish, often flavous above, reddish-brown when bruised, solid, white or yellowish 
within, 4.6 cm. long, 0.5-1.5 cm. thick. 
TYPE LOCALITY: Port Jefferson, New York. 
HABITAT: Deciduous woods. 
DISTRIBUTION : Temperate North America and Europe. 
ILLUSTRATIONS: Sturm, Deuts. Fl. Pilze 5: f/. 27; Gibson, Edible Toadst. p/. 22. 
ExsIccaTI: Herpell, Prap. Hutpilze 16; Sydow, Myc. Mar. 3026. 
41. Ceriomyces tomentipes (Earle) Murrill, Mycologia 1: 154. 1909. 
Boletus tomentipes Earle, Bull. N. Y. Bot. Gard. 3: 298. 1905. 
Pileus thick, convex to expanded, 9-13 cm. broad, about 3 cm. thick; surface dry, 
minutely tomentose to glabrous, umbrinous: context whitish or discolored, changing to 
blue when wounded; hymenium ventricose, deeply and broadly sinuate-depressed, decur- 
rent; tubes sordid-yellow, becoming brick-red when wounded or on drying, mouths small, 
about 1 mm. broad, circular: spores ellipsoid, brownish, about 147: stipe cylindric, 
densely but minutely velvety-pubescent, sometimes becoming nearly glabrous above, brick- 
red, flecked with brown below, solid, 8-13 cm. long, 2.5-3.5 cm. thick. 
TYPE LOCALITY: Stanford University, California. 
HasitaT: Among decaying oak leaves. 
DISTRIBUTION : Known only from the type locality. 
42. Ceriomyces fumosipes (Peck) Murrill, Mycologia 1: 154. 1909. 
Boletus fumosipes Peck, Ann. Rep. N. Y. State Mus. 50: 108. 1897. 
Pileus convex, 4-7 cm. broad, about 1-1.5 cm. thick; surface tomentose, umbrinous 
or dark olive-brown, very distinctly reticulate-rimose, the cracks becoming wider and 
whitish in color in older plants, while the areoles between contract almost into tufts, 
especially toward the margin ; margin entire, fertile: context firm, fleshy, white, chang- 
ing slowly and slightly to pale-blue, taste sweet ; tubes plane in mass, somewhat depressed 
at maturity, equaling the thickness of the context, greenish-white changing to dirty-white 
with a reddish tinge and at the same time showing a tint of pale greenish-blue when 
wounded, stained yellowish-brown with the mature spores: spores ellipsoid, smooth, deep 
ochraceous-brown, 14-16 x 7-8 #: stipe somewhat ventricose, solid, white within, changing 
slightly to bluish beneath the cuticle, 3-4 cm. long, 0.7-1 cm. thick, finely scabrous or 
scurfy, avellaneous-umbrinous, paler above, distinctly pale bluish-green at the apex. 
TYPE LOCALITY: Port Jefferson, New York. 
Hapitat: In woods, especially on roadside banks. 
DISTRIBUTION : New York to North Carolina and west to Kentucky. 
43. Ceriomyces sordidus (Frost) Murrill, Mycologia 1: 155. 1909. 
Boletus sordidus Frost, Bull. Buffalo Soc. Nat. Sci. 2: 105. 1874. 
Pileus convex to nearly plane, about 5 cm. broad; surface dry, subtomentose, dirty 
dark-brown ; margin entire: context white, slightly tinged with green; tubes rather long, 
