MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. 317 



numerous, abjected gonidia are seen to form a white halo 

 round the dead fly. 



CHYTRIDIACE^. 

 SYNCHYTRIUM De By. & Woron. 



2197. Synchytpium anemones Woron. 



S.W.— Saltaire (Lees' FI.). Bingley (Fl. Skipt.). Hebden 

 Bridge (Fl. Hx.). 



Mid W.— Bolton Woods (Fl. Skipt.). 



N.E. — Castle Howard. 



On living leaves and other parts of Anemone nemorosa. 



2198. Synchytrium mercurialis Fckl. 

 Mid W. — Clapham (Lees' Fl.). 



S.W^ — Shipley Glen ; Bingley ; Anston Crags (Lees' Fl.). 

 Elland ; and several places near Hebden Bridge (Fl. Hx.). 

 On living leaves and peduncles of Mercurialis peyenuis. 



2199. Synchytrium taraxaci De By. 



Mid W. — Washburn (*'Nat.' Sep. '83), on dandelion. 



S.W\ — Wilsden (Lees' FL). Bingley and Cullingworth 

 (Fl. Skipt.). Hebden Bridge; Elland Park Wood; Cragg 

 Vale (Fl. Hx.). 



N.E. — Scarboro'. 



On the leaves and involucres of Taraxacum officinale. 



2200. Synchytrium stellariae Fckl. 

 N.E. — Scarboro', on Stellaria media — chickweed. 



RHIZIDIUM A. Braun. 



2201. Rhizldium Westii Mass. 



S.W. — Bradford, in cells of Spirogyra nitida. This species 

 was established on specimens collected by W. West, at 

 Frizinghall, Bradford. 



" Gregarious in Spirogyra nitida and Cladophora glomerata. 



Not uncommon." (Mass. British Fungi (i8gi), pp. 155-6, pi. 



ii. figs. 36-37). 



POLYPHAGUS Nowak. 



2202. Polyphagus euglenae Schroet. 



N.E.— Seamer Moor, Scarboro', parasitic on Euglenaviridis. 

 (Mass. British Fungi (1891), pp. 156-7, pi. iv. figs. 78-82). 



