THE FLORA OF HALIFAX. 295 



SAPROLEGNIACEiE. 



Pythium De-Baryanum, Hesse. On cultivated cress seed- 

 lings, Clover Hill — H.T.S. 



CYSTOPODACE.E. 

 Cystopus candidus, Lev. On shepherds' purse, Elland, 

 1890 — M. Buckley ! 



PERONOSPORACE.E. 



Phytophthora infestans, De By. Potato disease. 

 Plasmopara nivea, Schrot. On leaves of beaked parsley, 



Mdgh., 1892— H.T.S. , J.N. 

 Peronospora parasitica, De By. On shepherds' purse, 



Heb. Bdg., 1892— J.N. ! 

 P. trifoliorum, De By. On white clover, Cr. Dn., '94 — J.N* 

 P. Schleideni, Ung. On garlic, El. Pk. Wd.— H.T.S. ! 



DEUTEROMYCETES. 

 spHJERioiDAGEM. 



Phoma asteriscus, Berk. On dead stems cow-parsnip, Cr. Dn. 



P. caulographa, Dur. et Mont. On dead stems of Chezro- 

 phylliim tern al inn, canal bank near Elland, Jan. 1898. 

 First British record — Nat., Jan. 1904. 



P. lingum, Desm. On decaying cabbage-stalks, Copley, 

 Dudwell, Clover Hill— H.T.S. ! 



P. samarorum, Desm. Common on decaying ash-fruits. 



P. exiguum, Desm. On elder twig, Ainley Wd., El. — H.T.S. 



P. nebulosum, Berk. On dead willow-herb (Epilobium hirsu- 

 tism), Lee Mill Rd., Heb. Bdg.— J.N. ! 



P. projecta, Cke. In erumpent pustules on decaying grass 

 stems in swamp, Hdc, Apr. 1894 — J.N. 



P. longissimum, Berk. Common on dead stems of umbelli- 

 ferous plants as cow-parsnip, sweet cicely, chervil. 



P. glandicola, Lev. On the husks of germinating acorns, 

 Pck. Wd. and Hdc— J.N. ! 



Diplodia herbarum, Lev. On nettle stems, Pck. Wd. ; 

 cocks'-foot grass, Salterhebble, and Sun Wd. ; cabbage 

 stalk, Coley ! [Cr. Dn.— J.N. ! 



Hendersonia mutabilis, B. & Br. On dead sycamore-twig, 



Dilophospora albida, Mass. & Crossl., Nat., Jan. 1904. On 

 dead stems of Epilobium hirsutum, Heb. Bdg., 1890 — J.N, 



D. graminis, Desm. On grass leaves, Cr. Dn. and Pck Wd. 



Yermicularia atramentaria, B. & Br. On rotting potato 

 haulms near El. Pk. Wd., Apr. 1898— H.T.S. ! 



Placosphseria corrugata, Karst. On husks of germinating 

 acorn, Pck. Wd — J.N. I 



