1918] 
BURT—THELEPHORACEAE OF NORTH AMERICA. X 309 
Illustrations: Broteria 5: pl. 2. f. 3. 
Fruetifieations with several to many pilei borne on very 
short branches of a common central stem at or near its apex; 
stem cylindric, velutinous with setae, hazel to Brussels-brown; 
pilei eoriaceous, thin, expanded, drying strongly inrolled, even 
or sometimes rugose, silky and antique brown when young, 
finally glabrous except for setae which are scattered over the 
upper surface and more abundant towards the stem, bister, 
concentrically zonate, with narrow, dark zones near the 
margin; hymenium a little darker than the upper surface, 
Prout's brown to Mars brown, abundantly and conspicuously 
setulose; in structure 250—400 џ thick, composed of a setig- 
erous layer up to 150 yw thick and of a hyphal layer 
constituting the remainder, and not bordered on either side 
by a denser dark zone; setae 90-1509-15 д, emerging up to 
40 y, tapering upward from the base, starting from all parts 
of the setigerous layer; spores not found. 
Fructifications 5-8 cm. high, 2-3 сп. broad; individual 
pilei up to 2 em. broad and 2 em. long in specimens seen; stem 
3-5 em. long, 2-4 mm. in diameter in dried specimens. 
On the ground and buried wood. Guadaloupe and Honduras 
to Brazil. October. 
I have seen only two collections which seem referable to 
H. formosa and the one of these from Honduras contains a 
young, bright-colored fructification which affords the details 
concerning the young stage given in the body of the above 
description and does away with the distinction as to zonation 
of pileus upon which Léveillé founded H. formosa, the orig- 
inal description of which appears to have been based upon 
an old form of H. damaecornis at a period in mycological work 
when mere form differences were over-emphasized. I give H. 
formosa with full description in the hope that more ample 
collections may be accumulated which are not confined to a 
single stage of development. 
Specimens examined: 
Exsieeati: Rick, Fungi Austro-Am., 10. 
British Honduras: M. E. Peck (in N. Y. Bot. Gard. Herb., 
and in Mo. Bot. Gard. Herb., 55551). 
