•MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. 313 



RHIZOPUS Ehrb. 



2169. Rhizopus nigricans Ehrb. 



S.W.^ — Luddenden Dean, on decaying leaves ; Clover Hill, 

 Halifax, on rotting turnip (Fl. Hx.). 

 N.E. — Scarboro', on rotten leaves. 

 (Mass. British Fungi (1891), p. 100, pi. i. figs. 24-25). 



CIRCINELLA Van Teigh. 



2170. Circinella simplex Van Teigh. 

 S. W. — Copley, on dog dung (Fl. Hx.). 



(Mass. British Fungi (1891), p. loi, pi. i. figs. 13-14)- 

 CH^TOCLADIUM Fres. 



2171. Chaetocladium Jonesii Fres. [Botrytis. B. & Br.|. 

 S.W. — Hardcastle, on rabbit dung; EUand Wood, on horse 



•dung (Fl. Hx.). Cadeby, on rabbit dung (F.F. '01). 

 Mid W.— Bolton Woods (Fl. Skipt.). 

 N.E. — Scarboro', on pig dung. 



(Mass. British Fungi (1891), p. 102, pi. iv. figs. 62-63). 

 PIPTOCEPHALIS De By. 



2172. Piptocephalis repens De By. 



S.W. — Cadeby; Melton; on rabbit dung (F.F. '01). 



MORTIERELLA Coemans. 



2173. Mortierella candelabrum Van Teigh. 

 S.W. — Bradford, on pileus of Canthavellus (H.T.S.). 



PERONOSPORACE^. 



CYSTOPUS Lev. ■ 



2174. Cystopus candidus Lev. 



Common on various cruciferous plants, especially Capsella 

 Bnvsa-pastovis — shepherd's purse. Distribution general. 

 Records numerous for each county division. 



(Mass. British Fungi (1891), p. loS, pi. v. figs. 99-100; 

 pi. vii. figs. 127-128). 



2175. Cystopus tragopogonis Schroet. [Cystopus 

 .cubiciis De By. ; Uredo Candida, /S. tragopogi Pers.] . 



MiD W. — Leeds, on goatsbeard (Lees' Fl.). 



