THE FLORA OF HALIFAX. 273 



P. pulYerulenta, Grew On Epilobium montanum, Pck. Wd., 

 Hdc.— /.A r . On E. hirsutum, II. Gr.— J.N. ! 



P. violse, (Schum.) On Viola, Strynes, Stanslield, 1893 — J.N.! 



P. menthae, Pers. On garden mint, Lightcliffe ; Heb. Bdg., 

 etc. On Mentha aquatica, dam side, Gibson Mill, 

 Hdc.— J.N. ! 



P. poarum, Niels. On Tussilago Farfava and Poa pratensis, 

 H. Gr., Mdgh., Pck. Wd.— J.N. Rishworth ! 



P. obscura, Schrot. On Bellis perennis and Luzula campestris, 

 Hurst, Wds.— J.N. Lud. Dn.— H.T.S. 



P. suaveolens, (Pers.) On Cnicus arvensis, Hdc, 1892 — J.N. 

 Field near El. Pk. Wd.— H.T.S. 



P. hieracii, (Schum.) Common here on Cnicus arvensis and 

 Hypocluevis v ad i cat a. 



P. centaurese, Mart. On Centauvca nigra, Hdc, H. Gr. — J.N- 



P. taraxaci, Plow. On Taraxacum officinalis, Pck. Wd., H. 

 Gr., 1893— J-N. ! 



P. oblongata, (Link.) On Luzula campestris, Brookhouse, 

 Ovenden, 1892 ! H. Gr. On L. pilosa, Hdc, 1894 — 

 H.T.S., J.N. 



P. Baryi, (B. & Br.) On Deschampsia cerspitosa, Acre, Hep- 

 tonstall, 1892— H.T.S., J.N. 



P. bistortae, Str. yEcidium stage on Conopodium denudatum 

 and teleutospores on Polygonum Bistorta. First dis- 

 covered in this country by Messrs. Needham and 

 Pickles at Hardcastle, 1892. In 1892-3 Mr. Soppitt 

 established by experimental cultures the connection of 

 the above two stages in the life history of this fungus, 

 (see Grcv. xxii., pp. 45-47). Since that time it has been 

 found in scores of places throughout the parish, where 

 the two host plants grow in company. At present 

 there are few beds of sweet-dock free from it. 



P. anthoxanthi, Fckl. On Anthoxanthum odoratum, Mdgh., 

 1894-y.iV. 



P. betonicse, (A. & S.) On Stachys betonica, Lud. Dn., 1892 

 — -/. Binns. Coley, 1892 — -/. H. Bolton ! Wheatley, 

 1895 — C. E. Moss. 



P. campanulas, Carm. On Campanula rotundifolia, Hurst, 

 Wds., 1894— /.N. 



P. epilobii, DC. On Epilobium obscurum, canal side, El. Pk. 

 Wd. ! Hippings Clough ; Mdgh. — J.N. Coley and 

 Wheatley — C. E. Moss. Ogden — A . Bullock. 



P. fusca, (Relhan.) On Anemone nemorosa. Common. 



