86 A Monograph of the Myxogastres. 



x 



Stemonitis Morgan!, Peck. 



Sporangia crowded, stipitate, springing from a well-developed 

 hypothallus ; cylindrical, wall evanescent; stem much shorter 

 than sporangium, black, shining ; mass of spores Ircnon with a 

 ferruginous tinge ; columella evanescent just below the apex of 

 the sporangium; threads of capillitium forming the network 

 brown, sub-equal, about 3 /* thick, meshes large, and about equal 

 in size at every part, spores globose smooth, 6 7 JA diameter. 



Stemonitis Morgani, Peck, Bot. Gaz., vol. v., p. 33 ; 34th 

 Report State Mus., N. Y., p. 43 ; Sacc., Syll., vii., 1, n. 1368. 



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



o ' * 



On bark, wood, &c. United States. 



Agreeing in the large meshed capillitium with S. Carlylei 

 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 ivartcd. 



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 peripheral meshes not larger than the 

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

 brown by transmitted light, globose, minutely wartcd, 6 S ^ 

 diameter. 



Stemonitis pulchella t Babington, Linn. Soc. Trans., 1830 ; 

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

 n. 1160. 



Comatricha pulchclla, Host., Mon., Suppl., p. 27; Cke., Brit. 

 Myx., p. 49 ; Sacc., Syll., vii., pt. I., n. 1357. 



