86 A Monograph of the Mijjcogastres. 



Stemonitis Morgani, Peck, 



Sporangia crowded, stipitate, springing from a well-developed 

 hypothallus ; cylindrical, wall evanescent ; stem much shorter 

 than sporangium, black, shining ; mass of spores Irmon loith a 

 fcro-^iginmcs tinge ; columella evanescent just below the apex of 

 the sporangium ; threads of capillitium forming the network 

 brown, suh-cgual, about 3 fA thicJc, meshes large, and about equal 

 in size at every part, spores globose smooth, 6 — 7 \x diameter. 



Stemonitis Morgani, Peck, Bot. Gaz., vol. v., p. 83 ; 84tli 

 Report State Mus., N. Y., p. 43; Sacc, Syll., vii., 1, n. 13G8. 



Exsicc. — Ellis and Everhart, N. Amer. Fung., Ser. II., n. 2088. 



On bark, wood, &c. United States. 



Agreeing in the large meshed capillitium with 8. Carlylci 

 and S. maxima; differing from the former in the much smaller 

 spores, and from the latter in the brown or sub-ferruginous 

 colour of the spores in the mass. 



§ § Spores loarted. 



Stemonitis pulchella, Bab. 



' Scattered or gregarious, springing from a delicate hypothallus ; 

 sporangic cylindrical or cylindrical-ovate, apex obtuse, base 

 usually slightly umbilicate, wall delicate, silvery or dark ; stem 

 rather stout, blackish, sub-equal or slightly tapering upwards, 

 expanded at the base, shorter than sporangium ; columella 

 reaching nearly to the apex of the sporangium ; capillitium 

 dense, threads tapering, arcuate, brown, forming a dense, 

 irregular net with the j7C7nj:)/ic?rtZ meshes not larger than the 

 diameter of the spores ; spores in the mass clear ferruginous, pale 

 brown by transmitted light, globose, minutely warted, 6 — 8 ix 

 diameter, 



Stemonitis lyidchclla, Babington, Linn. Soc. Trans., 1839 ; 

 Berk., Ann. Nat. Hist , 1841, p. 431, t, 12, f, 11 ; Cke., Hdbk., 

 n. 1160. 



Comatricha pidchella, Rost., Mon., Suppl., p. 27; Cke., Brit. 

 Myx., p. 40 ; Sacc, Syll., vii., pt. I., n. 1357. 



