MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. 239 



UNCINULA Lev. 



1674. Uncinula adunca Lev. [Evysiphe salicis DC; 

 E. adunca Grev. ; Uncinula salicis (DC.) Rabh. Krypt. Fl.] . 



N.E. — Ayton, Scarhoro', on Salix leaves. 



1675. Uncinula aceris Sacc. [Evysiphe acens DC; 

 Uncinula bicovnis Lev.] . 



S.E.— Boynton (W.W.S.). Burton Constable, on Acer 

 canipestve (R. H. Philip). 



N.W.— Masham, on Acer pseudoplatanus (' Nat.', Jan. '02). 



MICROSPH.ERA Lev. 



1676. Micposphsera bevbev\d\sl^ev. [Evysiphe. DC.]. 

 N.E. — Scarboro', on Bevbevis vulgaris. 



1677. — Micposphsera gpossulariae (Wallr.) Lev. 

 S.W.— Lindrick Dale (Lees' Fl.). Campsall (F.F., '99). 

 Mid W.— Bolton Woods, '92 (H.T.S.). 

 N.W.— Masham ('Nat.', Jan. '02). 

 N.E.^ — Scalby, near Scarboro'. 

 On leaves of cultivated Ribes grossularia — gooseberry. 



1678. Micposphsepa lycii (Lasch). [Erysiphc l^a-sch.]. 

 N.E. — Scarboro', on Lycopus europaus — gipsy wort. 



ERYSIPHE. 



1679. Epysiphe gpaminis DC. 



S.W.— Anston Stones (*' Nat.', June '77). Elland (Fl. Hx.). 

 Mid W.— Harewood; East Keswick (F.F., '98). Bolton 

 Woods (Fl. Skipt). 



N.E. — Scarboro', on various grasses. 



1680. Epysiphe tortills (Wallr.). 

 S.W. — Anston Stones (Lees' Fl.). 



1681. Erysiphe communis (Walk.). ^E. polygoni DC]. 

 Common, parasitic on a variety of plants, including Polygonum 

 aviculare, Circcra Lutetiana, Ranunculus repens, etc. 



1682. Erysiphe galeopsidis DC. 



S.W. — Saltaire and Bingley, on Stachys sylvatica (Lees' Fl. 

 = E. horyidula Lev.). 



