184 YORKSHIRE NATURALISTS* UNION. 



S.E.— Rise Park, near Hull (R. H. Philip). 

 N.E.— Limber Wood(F.F., '02). 

 N.W.— Brignall (F.F., '04). 

 On leaves of Civccea lutetiana. 



1292. Melampsopa padi (Kze. & Schm.). \Uyedo. Kze.] , 

 Mid W. — Hackfall, on leaves oi Prunus padus (Lees' FL). 



1293. Melampsora vacciniopum(Link.). [Uredo.Pers.]^ 

 Mid W.— Baildon (Tr. iv.j. Washburn Dale (*'Nat.',. 



Sep. '83). Rombalds Moor, etc. (Lees' FL). 

 S.W.— Bingley (Fl. Skipt.). 

 N.E.— Castle Howard (F.F., '92). 

 On leaves of Vacciniiim myrtilbts. 



1294. Melampsopa cerastii (Pers.). [Uredo caryo- 

 phyllaceanim Johnst.] . 



Mid W. — Penyghent, on Cerastium alpestre (Lees' FL). 



N.E. — Scarboro' (Tr. iv.). On C. arvense. 



This species has been proved to be the teleutospore form 

 of the fungus previously called Pevidermiutn elatinuni Wallr.^ 

 forming witches brooms on the silver fir. 



COLEOSPORIUM. Lev. 



1295. Coleosporium senecionis (Pers.). [Pevider- 

 mimn pini Chev. P. acicolum Link. Tvichohasis Berk.]. 



Mid W.— Sherburn (*'Nat.', July '84). Bishops' Wood, 

 on firs (Lees' FL). Skipton (J. E. SutclifFe, Bdf.). 



S. W. — Roche Abbey, on firs ; Saltaire, on Senecio vulgaris 

 (Lees' FL). Goole, on fir needles and S. vulgaris (T. Bunker). 



N.E.— Scarboro'(^='Nat.',Oct.'9i). Egton Bridge (F.F., '02).. 



N.W. — Masham, on Pinus sylvestris and S. vulgaris ('Nat.', 

 May '03). 



S.E. — Skipwith, on S. sylvaticus (R. H. Philip). 



The secidium stage occurs on Pinus sylvestris May and 

 June : the uredo. and teleuto. stages on species of Senecio all 

 the year round. Not uncommon. 



" The removal of species of Senecio from the neighbourhood 

 of the pines arrests the disease " (Mass. Text-Book of Plant 

 Diseases). 



Trans. Y.N.U., 1904 (pub. 1904). Bot. Series, Vol. 6. 



