262 White : 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 // long, 

 8-10 n. wide, hyaline and thick-walled. {PL 14. f. i6-ig.) 



Colorado : 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.) 



Cyathns Montagnei Tul. Ann. Sci. Nat. III. i : 70. pi. 4, f. 

 g-ii. 1844. 



Peridia 8-10 mm. high, 6-9 mm. wide at the top, 2-3 mm. 

 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 

 I 5-18 // long, 8-12 /i wide, thick-walled, granular, h)'aline. {PI. 

 14./. 20-22.) 



On the ground and on decaying wood and chips. 



Yucatan: C. F. Mill span gh, 7^7; [Cuba]. 



This species was originally described from Brazil ; it is readily 

 distinguished from the preceding species: (i) 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.) 

 Nidiilaria vtelanospcruia Schwein. Trans. Am. Phil. Soc. 4 : 



253- 1834. 



Cyathus inelanospennus (Schwein.) De Toni ; Saccardo, Syll. 

 Fung. 7 : 42. 1887. 



Peridia cup-shaped, clustered, 5-7 mm. high, 5-6 mm. wide 

 at the top ; the outer surface brownish and ver>^ shaggy ; the 

 inner surface smooth, shiny, dark gray ; mouth straight and 

 slightly fimbriate ; sporangioles black, flattened, about 2 mm. 

 wide ; spores large, 45-55 « long, 18-45 !'• wide, very thick-walled, 

 granular within, hyaline. {PI. ij.f. /-■/•) 



Gregarious on the earth. 



Penxsylvania : Bethlehem, Schiveinitz. 



The above description is based on Schweinitz's original speci- 



