1920] 
BURT—THELEPHORACEAE OF NORTH AMERICA. XII 117 
3$-5 p in diameter near the base, tapering out- 
ward; no colored conducting organs nor note- 
worthy paraphyses; spores hyaline, even, 4-43 X 
3-33 u, copious. 
Resupinate portion covers area 6X5 mm., re- 
flexed lobes 5-10 mm. in diameter—about 10 in 
the cluster. 
On broken lateral stub of dead limb of a fron- 
dose species. Jamaica. January. Probably rare. 
Viewed from above, S. caespitosum has the gen- 
eral aspect and coloration of species of Stereum 
in sections having stems, as S. pergamenum and 
S. decolorans, but is excluded from these sections 
by attachment to the substratum by a distinctly 
resupinate portion. The species is unique in the r 8. 
; : S. caespitosum. 
effuso-reflexed section in the above resemblance, dad 
and with additional characters of clustered, and spores x 
imbrieated habit of growth and presence of 
gloeocystidia, should be readily recognized. Tri typus 
Specimens examined: 
Jamaica: Moneague to Union Hill, W. A. Murrill, 1181, type, 
comm. by N. Y. Bot. Gard. Herb. 
oo 
30. S. fuscum Schrader ex Quelet, Fl. Myc. France, 14. 1888; 
Bresadola, I. R. Accad. Agiati Atti III. 3: 106. 1897. 
Plate 4, fig. 26. 
Thelephora fusca Schrader, Spic. Fl. Germ. 184. 1794; 
Persoon, Syn. Fung. 568. 1801, and Myc. Eur. 1: 122. 1822 
(in both places renaming the species T. bicolor); Fries, Syst. 
Myc. 1:438. 1821 (following Persoon).—T. bicolor Persoon, 
Syn. Fung. 568. 1801; Fries, Syst. Myc. 1: 438. 1821.—Stere- 
um bicolor Persoon, Myc. Eur. 1:122. 1822 (under **** Stere- 
um of Thelephora); Fries, Epicr. 549. 1838; Hym. Eur. 640. 
1874; Morgan, Cincinnati Soc. Nat. Hist. Jour. 10: 195. 1888; 
Saec. Syll Fung. 6:565. 1888; Massee, Linn. Soc. Bot. 
Jour. 27: 177. 1890.—S. coffeatum Berk. & Curtis, Grevillea 
1:164. 1873; Sacc. Syll. Fung. 6:568. 1888; Massee, Linn. 
Soc. Bot. Jour. 27: 190. 1890. 
Illustrations: Fries, Icones Hym. pl. 197. f. 2; Karsten, 
Icones Hym. pl. 2. f. 9. 
