490 FUKGUS-FLOEA. 



MYEOTHECIUM. Tode. (fig. 3, p. 442.) 



Sporodochium shield-like or discoid, black, margin wtite 

 ciliated, cilia, slender, hyaline; conidia minute, elliptical or 

 cylindrical ; conidiophores slender, cylindrical. 



Myrotliedum, Tode, Meckl., i. p. 25, in part ; Sacc, Syll., 

 iv. p. 750. 



Forming small, flattened black patches bounded by a 

 white ciliate margin. 



Myrothecium roridum. Tode. 



Sporodoohia flattened, discoid, at lengtli confluent and 

 irregular, black -with a white margin, 2—6 mm. diameter; 

 conidiophores simple or branched ; conidia cylindrical, ends 

 obtuse, 8-12 X 2 /a, pale olive. 



Myrothecium roridum, Tode, Meckl., i. p. 25, t, v. f. 38; 

 Sacc, Syll., iv. n. 3550. 



On various decaying vegetable substances. 



Myrothecium inundatum. Tode. (fig. 3, p. 442.) 

 Sporodochiiini disc-like, variable in form, disc plane, 

 blackish-olive, with a white margin ; conidia broadly ellip- 

 tical, 8-4 X r '5-2/*, olive; conidiophores filiform, fasciculate, 

 hyaline, 40 X 1 /a., 



' Myrothecium intmdatum, Tdde, Meckl., p. 25 ; Sacc, Syll., iv. 

 n.'3552. 



On decaying species of Agaricus, Cortinarius, and other 

 fungi. ' 



Sect. 2. Phragmosporae. Sacc. 



EXOSPORIUM. Link. (fig. 1, p. 442.) 



Sptorodochium convex, compact; conidiophores simple; 

 densely fasciculate, blackish, bearing at their tips the oblong 

 or terete pluriseptate conidia. 



Exosporium, Link, Berlin Mag., iii. p. 9; Sacc, Syll., iv. 

 p. 755. 



Distinguished by the coloured pluriseptate conidia. The 

 genus resembles species of Eelminthosporium springing from 

 a stroma. 



