MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. 237 



1661. Sphserella hedericola Desm. 

 N.E. — Scarboro', on dead ivy-leaves. 



1662. Sphserella brassicicola (Duby) C. & De N. 

 S.W. — Bingley (Fl. Skipt.). On dead cabbage-leaves. 

 N.E. — Scarboro', on dead shepherds' purse. 



1663. Sphserel la f paganise (Tul.) Sacc. 



N.E. — Egton Bridge, in garden on cultivated strawberry 

 plants (F.F. '02, recorded as S. fragariastn). 



" The leaves of cultivated strawberries are too frequently 

 attacked by this fungus, which is widely distributed. ... If 

 the leaves become badly diseased, the crop of fruit is 

 materially affected, if not completely lost. . . ." (Mass. Text- 

 Book of Plant Diseases, p. 107, fig. 18). 



1664. Sphserella isariphopa C. & De N. [Spharia 

 isariphora Desm. ; Leptosphcrvia isaripliora Awd.] . 



N.E. — Scarboro', on SfeUaria media (' Nat.', Sep. '81). 



1665. Sphsepelia rumicis Cke. [5///^/^. Desm.i . 

 Common on living leaves of Riiniex sp. Distribution general. 



Records numerous. 



1666. Sphserella typhae Awd. [Spha-ria. Lasch. . 

 N.E. — Terrington, on Typha latifolia (Grev. xix. p. 43). 



1667. Sphsepelia ptepidis De K. [Splicrria. Desm. 

 N.E. — Scarboro' on fronds of Pteris aqiiiliua. 



SPH.^RULINA Sacc. 



1668. SphaePLilina hedepse (Sow.). [Sphcrrella. Ov\<l.]. 

 S.W.— Cottingley (Lees' Fl.). Hebden Bridge (Fl. Hx.). 

 N.E. — Egton Bridge (F.F. '02). On dead ivy-leaves. 



PERISPORACEAL. 



ERYSIPHE/E. 



PODOSPHyEKA Lev. 



1669. Podosphsepa oxyacanthse De By. \Erysiphe 

 oxyacautha- DC. ; Podosphcrvia claudestiua Eev.j . 



Mid W.— Thorner (Lees' Fl.). 



N.E. — Scarboro', on Cratirgns oxyacautlia, hawthorn. 



