MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. 293 



see (New British Fungi, Sopp. & Crossl., ' Nat.' Jan. 'gg, 

 pp. 28-29, figs. 18-21, p. 31). 



2026. Mollisia versicolop Phil. [Pezisn. Desm.] . 

 S.W. — Nr. Plebden Bridge, on decaying Pferis aquilina — 



bracken (Fl. Hx.). Erringden, par. of Hx., on dead stems of 

 L. Filix-rnas '04. 



2027. Mollisia hypnopum Fr. 



S.W. — Rishworth, on damp wall among a coating of living 

 mosses and hepatics (First British record, Hx. ' Nat.' vi. p. 

 124 ; FI. Hx.). 



A hitherto little-known species, but agrees exactly with a 

 specimen from Fries in Herb. Kew. 



PSEUDOPEZIZA Fckl. emend. 



2028. Pseudopeziza trifolii Fckl. [Ascobolus. Bernh. ; 

 Trochila. De N. ; Pedza. Lib. ; Phacidinm. Bond. ; Mollisia. Phil. J. 



S.W. — North Dean Wood ; and near Hebden Bridge, on 

 living leaves of both the red and white clovers ('Nat.' June 

 '94, where the wrong author is quoted). Campsall, near 

 Askern, where a whole field of red clover was smothered 

 with it (F.F. '99). 



N.E. — Scarboro', on Trifolium repens. Stokesley (Exc. '99). 

 Lythe, near Whitby (F.F. 1900). 



Sometimes this parasite is very destructive. " The disease 

 when present usually assumes the character of an epidemic, 

 due to the rapid and abundant diffusion of the spores, and 

 consequently considerably reduces the forage by preventing 



growth owing to the destruction of the leaves " 



(Mass. Text-Book of Plant Diseases, pp. 144-5, fig. 29). 



2029. Pseudopeziza ranunculi Sacc. [Dothidea. Fr.; 

 Plyctidium. Wallr. ; Phacidinm. Lib. ; Fabraea. Karst. ; etc.] . 



N.E. — Scarboro' (' Nat.' Aug. '81). On fading leaves of 

 Ranunculus repens, and other species. 



2030. Pseudopeziza repanda Karst. \Xyloma. K.8cS.; 

 Phacidinm. Fr. ; Phacidinm vernale and P. autnmnale Fckl.] . 



Mid W. — Bolton Abbey, on cotyledons of Galium A panne 

 (H.T.S.). Halton East (Fl. Skipt.). 



Bot. 6.— U 



