MASSEE AND CROSSLAND : FUNGUS FLORA OF YORKSHIRE. 193 



significance of the fact, which is thoroughly confirmed, should 

 be known. 



Statistics prove that the annual loss caused by Puccinior 

 graminis, and a few closely allied species, in attacking cultivated 

 cereals throughout the world, exceeds ^50,000,000. 



1334. Puccinia coponata Corda [^. crassum Fexs.} . 



Mid W. — Grassington (=!=' Nat.', Sep. '82). Giggleswick, 

 on leaves of grass (Lees' Fl.). Askham Bog, on Rhamims 

 frangula '87 (J. A. Wheldon) ; and on R. catharticiis (Exc. 

 1900). Malham, on R. catharticus. 



S.W. — Pontefract ; Roche Abbey Valley ; Thorpe, Shire- 

 oaks ; Anston, etc. (Lees' Fl.). On R. cathavticns. Askern 

 (*' Nat.', Oct. '93). 



S.E. — Filey, on Holcns mollis (J. T. Jolley, Hx.). 



^cidiospores on Rhamnns catharticiis, a.nd fyajigula. Teleutos- 



pores on Holctis mollis and other grasses. " Also met with on 



wheat, barley and rye " (Mass. Text-Book of Plant Diseases). 



1335- Puccinia sessilis Schneider. [P. lineavis Rob. 



yEcidium alii Grev.] . 



S.W. — Saltaire (Tr. i.). Kiveton, on Allium nrsinuin 

 (Lees' Fl.). 



N.E. — Castle Howard (Tr. iv.). Howsham (-' Nat.', Nov. 

 '89). 



Mid W.— Meanwood (Tr.ix.). Malham (*'Nat.', Nov. '83). 

 Bolton Woods ; Airton (Lees' Fl.). Barden (Fl. Skipt). 

 Dunnow, Bowland, on A. ursinum, and Phalaris arundinacea. 

 Washburn Valley, on P. arundinacea. Ingleton, on A. ursinum 

 (J. E. Sutcliffe, Bdf.). 



iEcidiospores on A. ursimim, teleutospores on P. artmdinacca.. 



1336. Puccinia phalaridis Plow. [^.ari. Desm.]. 

 Mid W. — Bolton Woods, iEcidiospores on Arum maculatum, 



Barden (Fl. Skipt.). 



Uredo. and teleutospores on Phalaris arundinacea. 



1337. Puccinia rubigo-vera (DC). 



S.W.— Haigh (*' Nat.', Oct. '82). Elland, and Hebden 

 Bridge on Holcus mollis and Aveiia sp. 



