23] Krautartige wildwachsende Pflanzen. Exotische Nutzpflanzen. 219 



283. Peltier. G. L. Susceptibility and resistance to Citrus 

 canker of the wild relatives, Citrus fruits and hybrids of the 

 genus Citrus. (Journ. Agric. Research XIV, 1918. p. 337—357, 4 PI.) 



284. Peltier, G. L. and Neal, D. C. Overwintering of the Citrus- 

 canker organism in the bark tissue of hardy Citrus hybrids. (Journ. 

 Agric. Research XIV, 1918, p. 523—524, 1 PI.) 



285. Rorer, J. B. Citrus canker. (Bull. Dept. Agric. Trinidad and 

 Tobago XIV, 1915, p. 130—131.) — Pseudomonas Citri. 



286. Stevens, H.E. Lightning injury to citrus trees in Florida. 

 (Phytopathology VIII, 1918, p. 283—285, 1 Fig.) 



287. Stevens, H.E. Melanose. II. (BuU. Florida Agric. Exp. Stat. 

 Nr. 145, 1918, p. 103—116, Fig. 26—31.) 



288. Stevens, H. E. Report of the plant pathologist. (Florida 

 Agric. Exper. Stat. 1916, ersch. Mai 1917, p. 66—79, 2 Fig.) — Krankheiten 

 an Citrus. 



289. Stevens, H. E. Florida Citrus diseases. (Bull. Nr. 150 Florida 

 Agric. Exper. Stat. 1918, 111 pp., c. fig.) 



290. Stevenson, J. A. Citrus sc ab in Porto Rico. (Porto Rico 

 Dept. Agric. a. Lab. Exper. Stat. Bull. Nr. -'7, 1917, p. 1—16.) 



291. Stevenson, J. A. Citrus diseases of Porto Rico. (Journ. 

 Dep. Agric. Porto Rico II, 1918, p. 43—123.) 



292. Wilson, 0. T. Notes upon a market disease of limes. 

 (Phytopathology VIII, 1918, p. 45—50, 5 Fig.) 



d) Coffea. 



293. Burt, E. A. Corticiums causing Pellicularia disease of the 

 Coffee plant, Hypochnose of pomaceous fruits, and Rhizoctonia 

 disease. (Ann. Missouri Bot. Gard. V, 1918, p. 119—132, 3 Fig.) — Neu 

 ist Corticium Stevensi (syn. Hypochnopsis ochroleuca Noack). 



294. Stahel, G. De sclerotium-ziekte van de Liberia-koffie 

 in Suriname. (Med. Dep. Landb. Suriname 13, 1918, 2 pp.) 



e) Fieiis. 



295. Hodgson, R.W. Black smut of figs. (Month. Bull. State 

 Comm. Hort. Calif. VII, 1918, p. 188—189, Fig. 28.) 



296. Hodgson, R. W. A Sterigmatocystis smut of figs. (Phytopatho- 

 logy VIII, 1918, p. 545—546.) 



297. Matz, J. Some diseases of the fig. (Bull, Florida Agric. 

 Exp. Stat. Nr. 149, 1918, p. 1—10. Fig. 1—5.) 



298. W^olf, F. A. and Stanford, E. E. A Macrophoma disease of 

 figs. (Phytopathology VIII, 1918, p. 24—27, 2 Fig.) 



f) Theobroma. 



299. Demandt, E. Untersuchungen über Kanker und Braun- 

 fäule am samoanischen Kakao. (Zeitschr. f. Pflanzenkrankh. XXVIII, 

 1918, p. 241 ff.) — I. Die Geschichte des Kankers (Rindenfäule) und der 

 Braunfäule in Samoa. II. Kanker und Braunfäule in anderen Kakaoländern. 

 III. Das Auftreten des Kankers und der Braunfäule im Bestände. IV. Die 

 Anfälligkeit der Kakao Varietäten. V. Ein Vorzeichen des Kankers ? VI. Wesen 



