(VOL, 5 
320 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Grenada: Grand Etang, R. Thaxter, comm. by W. G. Farlow. 
Venezuela: Fendler, 175, type of Hymenochaete fulvella (in 
Kew Herb.), and 173 (in Curtis Herb., under the name 
Stereum fulvellum). 
9. H. Curtisii (Berk.) Morgan, Cincinnati Soc. Nat. Hist. 
Jour. 10 : 197. 1888. 
Stereum Curtis Berkeley, Grevillea 1:164. 1873; басе. 
Syll. Fung. 6:581. 1888; Massee, Linn. Soc. Bot. Jour. 27: 
195. 1890. 
Type: type distribution in Ravenel, Fungi Car. 3 : 26. 
Fructifications at first orbicular, then effused, confluent, be- 
coming reflexed, coriaceous, thin, separable, drying pliant, the 
upper surface at first silky, fibrillose, somewhat concentrically 
ridged, antique brown, becoming 
wem ae es xd М glabrous and hair-brown when old; 
SSS hymenium not cracking, velvety, 
= =. antique brown; in structure 140- 
p Sy 
=== 240 р thick, with intermediate layer 
Fig. 7o bordered by a narrow, dense, dark 
Н. Curtisii. zone towards the upper surface of 
Section a A 4. type. : 
See pl. 17, f. 9. Р the pileus or the substratum, the 
hyphae densely and longitudinally 
arranged, colored, thin-walled, 24 y in diameter; setae few 
and far apart usually, 60-70X 6-8 yw, emerging up to 45 и, 
tapering upward to a sharp point; spores hyaline, allantoid, 
6-7 11-2 p. 
Fructifications confluent along under side of limbs for 2-20 
em. or more, 12-21 em. broad; reflexed lobes 5 mm. long, 10-15 
mm. broad. 
On rotting limbs of Quercus and other frondose species. 
Massachusetts to Texas and westward to Oregon—in low alti- 
tudes. April to December. Common. 
H. Curtisu may be recognized by its rich antique brown 
color, thin, pliant, reflexed portions, velvety hymenium which 
is not at all eracked, and by the notable scarcity of setae which 
cannot be found in the hymenium with a pocket lens and are 
sometimes lacking in thin sections in microscopic prepara- 
