1918] 
BURT—THELEPHORACEAE OF NORTH AMERICA. X 355 
ing up to 60 и, not crowded, starting in the dark subhy- 
menial zone and rising through the hymenium, tapering up- 
ward from the base; cystidia 12-306-18 и, largest when 
Fig. 
H. fulva. 
Section on left, Х 68, from type; section a, X 68, seta, b, and 
cystidia, с, X 375, from Langlois, а). 
seated on the dark, subhymenial zone; spores borne 4 to a 
basidium, hyaline, even, 44-5 21-3 y. 
Fructifications 11-1} cm., becoming laterally confluent for 
7 cm. or more. 
On rotting fallen limbs of frondose species. In Louisiana 
and Jamaica—at 4500-5200 ft. altitude in the latter. De- 
cember. 
H. fulva may be recognized among resupinate species by its 
fulvous color, not cracking, presence of an intermediate layer 
bordered on each side by a dark zone, with that on the under 
side seated directly on the substratum, and by the cystidia. 
Specimens examined: 
Louisiana: St. Martinville, 4. B. Langlois, aj, and a specimen 
comm. by Lloyd Herb., 2422 in part. 
Jamaica: Cinchona, W. А. & Edna L. Murrill, 645, type, 
comm. by N. Y. Bot. Gard. Herb.; Blue Hole, W. A. Murrill, 
1821, comm. by N. Y. Bot. Gard. Herb. 
28. H. pinnatifida Burt, n. sp. 
Type: in Lloyd Herb. and Burt Herb. 
Fructifications resupinate, effused, adnate, scattered, some- 
times confluent, somewhat orbicular, drying between Verona- 
brown and cinnamon-drab, slightly glaucous, the margin an- 
tique brown, narrow, rather thick, somewhat velvety ; in struc- 
ture 120-240 и thick, composed of а setigerous layer 40-80 д 
broad and of a loosely interwoven intermediate layer which is 
