136 REVISION OF THE NORTH AMERICAN HyDNACEAE 
I. ECHINODONTIUM TINCTORIUM Ellis & Ev. Bull. 
Torrey Club 27: 49. 1900 
Fomes tinctorius Ellis & Everhart, Bull. Torrey Club 22: 362. 
1895. : 
Hydnum tinctorium Lloyd, in Ellis & Everhart, Bull. Torrey Club 
27: 49. 1900. 
Hydnofomes tsugicola Hennings & Shirai, Hedwigia 28: 267. 1901. 
Plant pileate, dimidiate, sessile, subungulate, perennial, 13 cm. 
wide, 7 cm. long, 1-5 cm. thick ; surface sulcate-zonate, tomentose, 
rimose, dirty brown to fuliginous at margin; margin thick, 
rounded, even; substance fibrous woody, ferruginous to bright 
red, growing downward about the teeth so that they become more 
or less imbedded ; teeth stout, compressed to flattened, blunt or 
dentate, drab, covered with a whitish pubescence and with scattered 
reddish conical setae 15-20 и long, woody, center red, similar in 
substance with the pileus, 1-2 cm. long by 1-3 mm. wide ; spores 
hyaline, broadly elliptical, smooth, 4.5-5 Бу 6-7 p. 
Нав.: Parasitic оп Айез and Tsuga. July. . 
Rance: Alaska, Swan; Washington, Idaho, Piper. 
The type specimen from Alaska is in the New York Botanical 
Garden. Іс has the teeth all broken off and thus looks as though 
the hymenial surface was composed of pores. This, together with 
its woody character, so entirely unlike anything previously known 
in the Hydnaceae misled Ellis and caused him to describe it as a 
Fomes. Later a more perfect specimen coming to hand he estab- 
lished the genus Echinodontium for this species. 
Іп 1901 Hennings established the genus Hydnofomes оп Н. 
‘sugicola Henn. & Shir. a plant found оп 7: suga diversifolia Shir. 
in Japan. The species, however does not seem to differ essentially 
from the American plant. Hennings gives spore measurements 
somewhat larger, 5-7 by 4—5 апа says, “ pileis imbricatis decur- 
rente effusis.” 
The species is unique among the Hydnaceae and shows a close 
relationship to the woody Polyporaceae. 
5. SARCODON Quélet; Karsten, Rev. Myc. 32% 1881 
Plants usually terrestrial, mesopodous, fleshy, more or less brit- 
tle, generally dark colored, brown to fuscous or black, rarely light - 
brown or gray ; teeth terete rarely compressed ; spores small 4-7 и 
