4(;il P. Sydow: Pflan/enkrankheiten 191*. l 24 



296. Garman, H. A new sweet corn disease in Kentucky. 

 (Kentucky Agr. Exp. Stat. Circ. 13, 1917, p. 1—4, c. fig.) 



297. Halm, ('. G., Hartley, C. and Pierce, R. G. A nursery blight 

 of cedars. (Journ. Agric. Research X, 1917, p. 533 — 540, Tab. 60 — 61.) — 

 Pilzkrankheit auf Juniperus virginiana, durch eine Phoma verursacht. 



298. Ho, S. A new fungus disease of the yam. (Trans. Sapporo 

 Nat. Hist. Soc. IV, 1912, p. 8 — 12.) — Cylindrosporium dioscoreae n. sp. an 

 Dioscorea batatas. 



299. Jensen, Hj. De lanasziekte en hare bestrijding. II. 

 (Meded. Proefstat, vorstenlandsehe Tabak 1917, Nr. 29, 118 pp.) 



300. Lons»-, W. H. A preliminary report on the occurrence of 

 western red rot in Pinus ponderosa. (Bull. TT. S. Dep. Agric. Nr. 490, 

 1917, p. 1—8.) 



301. Mackie, D. B. New disease of the pineapple reported. 

 ((Philippine Agric. Rev. X, 1917, p. 150, 1 PI.) 



302. Martin, W. H. Sclerotium bataticola. The cause of a fruit-rot 

 of peppers. (Phytopathology VII, 1917, p. 308—312, 12 Fig.) 



303. Murrill, W. A. A disease of the hemlock tree. (Journ. 

 N.York Bot. Gard. XVIII, 1917, p. 208.) 



304. Stewart, F. C. Witches-brooms on hickory trees. (Phyto- 

 pathology VII, 1917, p. 185—187.) 



305. Stewart, V. B. A twig and leaf disease of Kerria japonica. 

 (Phytopathology VII, 1917, p. 399—407, 6 Fig.) — Coccomyces Kerriae n. sp. 



VII. Mycorrhiza, Wurzelknöllchen. 



306. Shibata, K. und Taliara, M. Studien über die Wurzel- 

 knöllchen. (Bot. Mag. Tokyo XXXI. 1917, p. 157—182. 1 Taf., 16 Fig.) 



307. West, C. On Stigeosporium Mar attiacearum and the mycorrhiza 

 of the Marattiaceae. (Ann. of Bot. XXXI, 1917, p. 77—99, 9 Fig., 1 Tab.) N. A. 

 Verf. beschreibt Stigeosporium Mar attiacearum nov. gen. et spec. als eine Pilz- 

 form der endotrophen Mycorrhiza von verschiedenen Marattiaceen-Qia,ttimgen. 



VIII. Schizomyceten. 



308. Boncquet, P. A. Bacillus morulans n. sp. A bacterial disease 

 organism found associated with curly top of sugar beet. (Phyto- 

 pathology VII, 1917, p. 269—289, 7 Fig.) 



309. Cayley, D. M. Bacterial disease of Pisum sativum. (Journ. 

 Agric. Sei. VIII, 1917, p. 461—478.) 



310. Hutchinson, C. M. A bacterial disease of wheat in the 

 Punjab. (Mem. Dept. Agric. India I, 1917, p. 169—175, 4 PI.) 



311. Jones, L. R. Bacterial blight of barley. (Journ. Agric. 

 Research, Washington IX, 1917, p. 625—643, 3 PI.) 



312. Lind, J. Aplanobacter Rathayi, ein Schädling von 

 Dactylis glomerata in Dänemark. (Intern, agrar.-techn. Rundschau VIII, 

 1917, p. 976—977.) 



313. Muncie, E. H. A girdling of bean stems caused by Bacte- 

 rium phaseoli. (Science, N. Ser. XL VI, 1917, p. 88—89.) — Beschreibung der 



