378 FUNGUS-FLORA. 



Monotospora pumila, Sacc., SylL, iv. n. 1463. 



Helminthosporium pumilum, Mass., Journ. Roy. Micr. Soc., 

 vol. v., p. 758 ; pi. 13, fig. 4 & 5. 



Parasitic on GrapJtium flexuosum, also on rotten wood and 

 bark. Distinguished from M. meyalospora by the smaller, 

 blackish, shining conidium. 



Monotospora megalospora. B. & Br. 



Forming small blackish tufts ; fertile hyphae erect, simple, 

 somewhat equal, septate; conidia obovate, smooth, opaque, 

 brown, 30-35 X 20 /*.- 



Monotospora megalospora, B. & Br., Ann. Nat. Hist., n 759 ; 

 t. xv. f. 11, n. 943; Sacc., SylL, iv. n. 1460. 



On bark of yew ( Taxus). 



Var. fusispora, B. & Br., I.e., conidia broadly and 

 obtusely fusiform, 28-30 x 23 p.. 



On rotten trunks. 



Monotospora asperospora. Cke. & Mass. 



Effused, black, forming thin, velvety patches ; threads 

 erect, short, attenuated upwards from a discoid base, without 

 septa, opaque and dark brown below, pale above ; conidia 

 globose, minutely warted, brown, 24-28 p diameter. 



Monotospora asperospora, C. and M., Grev., vol. xvi. p. 69. 



On dead twigs of Clematis. 



HADKOTBICHUM. Fckl. (fig. 17, p. 358.) 



Hyphae short, simple but thickish, brown, fasciculate at 

 the base ; conia globose or somewhat oblong, continuous, 

 brown, apical and solitary. 



Hadrotrichum, Fuckel, Symb. Myc., p. 221 ; Sacc., SylL, iv. 

 p. 301. 



Fuckel considers the members of the present genus as the 

 conidial condition of species of Scirrliia. 



Hadrotrichum arundinaceum. C. & M. (fig. 17, 

 p. 358.) 



Black ; at first in small spherical tufts, at length confluent 

 in velvety patches, threads branched, septate, creeping, 



