524 

 Gen. 178. 



C^OMACEI. 



CYSTOrUS, De Bary. 



Eeceptacle con- 

 sisting of thick 

 branched threads ; 

 conidia concaten- 

 ate, at length se- 

 parating, oospores 

 deeply seated on 

 the mycelium, — 



Fig. 214. 



1563. 



Cystopxis cubicus. Sir, " Goat's-heard White Eust.'* 



Conidia unequal ; terminal cell sterile, larger than the rest, 

 membrane thickened, ochraceous, rarely yellowish ; fertile cells 

 shortly cylindrical ; membrane hyaline ; oosj^oj^es globose ; epis- 

 pore, brown, verrucose ; warts hollow, round or irregular. — 

 Cooke M.F.2ol.^.Jigs. 201, 202, 210. CooU exs. no. 86. 



On Goafs-heard, Salsify, Scorzonera, &c. Summer and 

 autumn. Common, {^iff- 215.) 



1564. 



Cystopus candidus. Lev. " Crucifer Wliite Eust." 



Conidia equal, globose ; membrane equal, ochraceous ; 

 oospores subglobose ; epispore yellowish-brown, with irregular 

 obtuse warts ; warts solid. — Lev. Ann. Sc. Nat. Berk. Outl. jJ. 

 ZM, partly. Eng. Fl. v. p. 384. Grev. t. 251. Moug. exs. no. 290. 

 Cooke exs. no. 86. Cooke L.F. no. 46. Cooke M. F.pl. x. figs. 198- 

 200, and 205-207. 



On shepherd's purse, cabbages, horseradish, and other Cruci- 

 ferce, Summer. Common. (Fig. 214:, co7iidia 4' oospore.) 



1565. Cystopus lepigoni. Be By. " Sandwort White Eust." 



Conidia unequal ; terminal cell sterile, globose ; membrane 

 thickened ; fertile cells subglobose or cylindrical ; membrane 



