344 YORKSHIRE NATURALISTS UNION. 



Mid W.— Harrogate ; Esholt (Lees' Fl.), Bolton Wds. 



S.W.— Saltaire (' Nat.' Aug. '8i). Ingrow (Lees' Fl.). 

 Hugsett (F.F. '97). Bingley (Fl, Skipt.). Melton Wood 

 (F.F*. '01). Hardcastle, '92 ; Elland Park Wood (Fl. Hx.). 



N.W.— Masham ('Nat.' Jan. '02). Brignall (F.F. '04). 



Parasitic on various species of Myxomycetes, more particu- 

 larly the genus Tvichia. 



2431. Stilbum epythpocephalum Ditm. 



N.E. — Scarboro' (Tr. ix. ; Grev. xvii. p. 8). On rabbit dung, 

 S.W. — Melton Wood, on dung of wood-pigeon (F.F. '01). 



2432. Stilbum leiopus Ehrh. 



S.W. — Scabba Wood, near Cadeby, on dung of wood-mous& 

 (F.F. '01). First British record (' Nat.' Nov. '01). 



2433. Stilbum vulgare Tode. 



N.E. — Scarboro' ('Nat.' Aug. '81; Grev. xvii. p. 8). Ort 

 rotten beech wood. 



S.W, — Crimsworth Dean, Hebden Bridge (Fl. Hx.). 



N.W\— Masham (' Nat.' Jan. '02). 



On rotten wood, oak cupules, twigs, etc. 



2434. Stilbum pellucidum Schrad. 



Mid W. — Horsforth (Tr. ix.). On rotten wood. 

 S.W. — Hebden Bridge, on Tuberctilaria (Fl. Hx.). 



2435. Stilbum fasciculatum B. & Br. 



S.W. — Nr. Hebden Bridge, on decaying twigs (Fl. Hx.). 



2436. Stilbum fimetapium B. & Br. 



Common on rabbit dung, in damp, shady places. Distribu- 

 tion general. Records numerous for each county division. 



2437. Stilbum aurantiacum Babington. 

 N.W. — Masham, on dead elm-branch, Oct. '03. 



ISARIA Pers. 

 [ISARIA FARINOSA Fr. 



Not uncommon on dead, putrescent chrysalis form of various 

 insects, especially those buried amongst fallen leaves (Mass.- 

 Brit. Fung. Fl. iii. p. 447, fig. 31, p. 397). Recorded for each 

 county division. Theconidial conditionoi^Cordycepsmilitaris.}^ 



Trans. Y.N.U. 1905 (pub. 1905). Bot. Series Vol. 6. 



