10 Descriptions oi new Ce*lon Fctnqi. 



Cercospora cearse. — Maculis irregularibus, rnbro- 

 brunneis, deinde griseis, fnsco-brunneo-marginatis, dernuni 

 conflnentibns ; hy phis amphigenis, in caespites minutos 

 aigros, deinde griseis, congestis ; conidiis cylindraceis, sur- 

 Bum leniter attenuates, rectis, olivaceis, 12-7S x 0-7 /*, 5-10 

 septatis. 



Spots irregular, red-brown, becoming gray with a dark 

 brown margin, afterwards continent forming large irregular 

 «hes extending from the edge of the leaf; hyphee on 

 both Bides of the leaf, in minute black tufts, afterwards 

 graj : conidia cylindric, tapering slightly towards the 

 apex, straight, olivaceous, 42-78 x 6-7 /j, 5-10 septate. 



• in leaves of Manihot Glaziovii, Mull. 



