962 Wuite: THe NIDULARIACEAE OF NorTH AMERICA 
brown mycelial band adhering; sporangioles dull grayish, oval 
or rounded, 2.5 mm. long, 1.5 mm. wide; spores 14-18 p long, 
8-10 ps wide, hyaline and thick-walled. (P/. rg. f. 16-19.) 
Cotorapo: Denver, Bethel, 8. 
This species differs from all others seen in the character of the 
peridium, which is very thick, hard and brittle. 
6. Cyathia Montagnei (Tul.) 
Cyathus Montagnei Tul. Ann. Sci. Nat. III. 1: 70. f/. 4 f. 
Q-1T. 1844. 
Peridia 8-10 mm. high, 6-g mm. wide at the top, 2-3 ma 
at the base, spreading, cup-shaped, reddish-brown outside, closely 
woolly-tomentose, but not shaggy, rather thin ; inner surface gray” 
ish, dull, faintly striate close to the top, not sulcate ; mouth at 
first curved inwards, then straight, but not recurved, closely and 
very minutely fimbriate ; sporangioles 2 mm. in diameter, grayish, 
black, somewhat lighter beneath, dull, flattened, angular ; spores 
15-18 w long, 8-12 » wide, thick-walled, granular, hyaline. 
14. f. 20-22.) 
On the ground and on decaying wood and chips. 
Yucatan: C. F. Millspaugh, 787; [Cua]. : 
This species was originally described from Brazil ; it is f eadily 
distinguished from the preceding species : (1) By the faint and 
only partial striae of the upper part of the inner surface of the 
peridium, and (2) By the woolly tomentose, and not shaggy nature 
of the outer coat. 
7. Cyathia melanosperma (Schwein.) 
Nidularia melanosperma Schwein. Trans. Am. Phil. Soe 4° 
252. 1994 
Cyathus melanospermus (Schwein.) De Toni; Saccardo, Syl. 
Fung, 7: 42, 21887. ; 
Peridia cup-shaped, clustered, 5-7 mm. high, 5-6 mm. ie 
at the top; the outer surface brownish and very shaggy; a 
inner surface smooth, shiny, dark gray; mouth straight a 
slightly fimbriate ; sporangioles black, flattened, about 2 pee 
wide ; spores large, 45-55 » long, 18-45 p wide, very thick-walle¢, 
granular within, hyaline. (PY. r5. f. I-4.) 
Gregarious on the earth. 
PENNSYLVANIA : Bethlehem, Schweinits. 
The above description is based on Schweinitz’s original spec 
