21] Exotische Nutzpflanzen. 457. 



260. Taubenhaus, J. J. On a sudden outbreak of cot ton rust 

 in Texas. (Science II. Ser., XLVI, 1917. p. "267— 269.) 



b) Kokospalme. 



c) Citrus-Arten. 



261. Pawcett, H. S. The geographical distribution on the 

 Citrus diseases melanose and stein-end rot. (John Hopkins Univ. 

 Circ, Nr. 293, 1917, p. 190—193.) 



262. Fawcett, H. S. Melanose of citrus. (Monthly Bull. State Com. 

 Hort. Calif. VI, 1917, p. 280—281, 1 Fig.) 



263. Floyd, B. F. Dieback, or exantherna of citrus trees. 

 (Florida Agr. Exp. Stat, Bull. Nr. 140, 1917, p. 1—31. 15 Fig.) 



264. Hodgson, W. R. Citrus blast — a new bacterial disease. 

 Monthly Bull. State Comm. Hort, Calif. VI, 1917, p. 229—233, 2 Fig.) 



265. Jehle, R. A. Susceptibility of non-citrus plant s to 

 B acter i um Citri. (Phytopathology VII, 1917, p. 339—344, 3 Fig.) 



266. Lee, H. A. A new bacterial Citrus disease. (Journ. Agric. 

 Research IX, 1917, p. 1—8, 3 PI.) 



267. Xowell, W. Citrus canker. (Monthly Bull. State Com. Hort. 

 Calif. VI, 1917. p. 282—286, 3 Fig.) 



268. Rogers, J. M. and Earle, F. S. A simple and effective method 

 of protecting citrus fruits against stem- end rot, (Phytopathology 

 VII, 1917. p. 361—367.) 



269. Smith, C. 0. Sour rot of lemon in California. (Phyto- 

 pathology VII, 1917, p. 37—41, 2 Fig.) — Oospora Citri-aurantii. 



270. Stevenson, J. A. Wood rot of citrus trees. (Porto Rico 

 Dept, Agr. and Lab. Exp. Stat. Rio Piedras Circ. Nr. 10. 1917, p. 1—10.) 



271. Wester, P. J. Notes on Citrus canker affection at the 

 Lamao Experiment Station. (Philippine agr. Rev. X, 1917, p. 253 — 260.) 



d) Coffea. 



272. Stahel, (i. De zeefrat enziekte (Phloemnekrose) van de 

 Liberia-koffie in Suriname. (Koffiewortelziekte.) (Meded. Dep. 

 Landb. Suriname 1917, Nr. 12. 2 pp.) 



e) Fieus. 



273. Matz, J. A Rhizoctonia of the fig. (Phytopathology VII. 1917, 

 p. 110 — 117, 1 PL. 3 Fig.) — Rhizoctonia microsclerotia n. sp. 



f) Theobroma. 



g) Thea. 



h) Kautschukpflanzen (Hevea, Castilloa, Manihot). 



274. Bancroft, ('. K. The leaf disease of rubber. Conditions 

 in Surinam. (Journ. Board, agr. British Cuiana X. 1917, p. 93 — 103.) - 

 Fusicladium macrosporum Kuijper. 



275. Sharples. A. Bark canker in Hevea brasiliensis. (Kew Bull. 

 1917, p. 219—225.) 



