Neue Litteratur. 23 



Floyd, F. B. 1915. Die durch chemische Substanzen verursachte 



Gummikrankheit der Agrumen. (Intern, agr.-techn. Rundschau. 



VI. p. 1339—1340.) 

 Gussow, H. T. 1916. Plant diseases and National Wealth. (Agr. Gaz. 



Canada. III. p. 211—213.) 

 Hector, J. M. 1915. A plant disease survey of the county of Middle- 



sex. (Bull. University College, Reading. XXVI. p. 1-82.) 

 Hector, J. M. 1914. Silver Leaf disease, its nature and treatment. 



(Bull. Univ. College Reading. XXIII and XXIV.) 

 Hughes, F. 1916. Fumigation of Cotton Seed by Gaseous Hydro- 



cyanic Acid. (Agric. Journ. Egypt. V. p. 84 — 90.) 

 Kellerman, K. F. 1916. Cooperation in the investigation and control 



of plant diseases. (Mem. New York bot. Gard. VI. p. 517.) 

 Kunkel, L. 0. 1916. Further studies of the orange rusts of 



Rubus in the United States. (Bull. Torrey bot. Club. XLIII. p. 



559—569. 1 f.) 

 M'Intosh, C. 1915. Cucurbitaria pithyophila, ein Schmarotzer des 



Pinus sylvestris in Schottland. (Intern, agr.-techn. Rundschau. VI. 



p. 1612-1613.) 

 Moliseh, H. 1916. Die Verwertung des Abnormen und Pathologischen 



in der Pflanzenkultur. (Vorträge Ver. Verbr. natw. Kenntn. Wien. 



1916. 13. 25 pp.) 

 Moxley, G. L. 1916. Notes on Zauschneria. (Bull. S. California Ac. Sc. 



XV. p. 47—54.) 

 Munn, M. T. 1915. Lime-sulphur vs. Bordeaux mixture as a spray 



for potatoes. III, IV. (Bull. New York agr. Exp. Stat. Geneva, 



N. Y. 1915. 397. p. 95—105. 2 pl. 1916. 421. p. 311—317. 1 pl.) . 

 Nicholls- H. M. 1915. Root-rot of Fruit trees. (Agr. Gaz. Tasmania. 



XXIII. p. 293-298.) 

 O'Gaia, P. J. 1916. A bacterial disease of western wheat-grass, 



Agropyron Smithii. Occurence of a new type of bacterial diseases 



in America. (Phytopathology. VI p. 341—350. pl. 9 — 13.) 

 Pammel, L. H., C. M. King and J. L. Seal. 1916. Studies on a Fusa- 

 rium disease of com and sorghum. (Res. Bull. 33, Botany Section, 



Iowa agr. Exp. Stat.) 

 Parrott, P. J. and B. B. Fulton. 1914. Tree crickets injurious to or- 



chard and garden fruits. (Bull. New York agr. Exp. Stat. Geneva, 



N. Y. 1914. 388. p. 417-461.) 

 Patterson, F. W. and V. K. Charles. 1916. The occurrence of bamboo 



smut in America. (Phytopathology. VI. p. 351—356. 1 f.) 

 Peglion, V. 1915. Aplanobacter michiganense als Ursache des Ver- 



welkens der Tomate in Italien. (Intern, agr.-techn. Rundschau. VI. 



p. 1610-1611.) 

 Peltier, G. L. 1916. A serious disease of cultivated perennials caused 



by Sclerotium Rolfsii. (Circ. Illinois agr. Exp. Stat. 1916. 187. 



p. 1 -3. 1 f.) 

 Peltier, G. L. 1916. Parasitic Rhizoctonias in America. (Bull. Illinois 



agr. Exp. Stat. 1916. 189. p. 283-390. 23 f.) 

 Perottl, R. 1915. Beitrag zur Kenntniss der Physiologie des Myco- 



derma vini. (Intern, agr.-techn. Rundschau. VI. p. 1478—1479.) 

 Pole Evans, J. B. 1916. Maize Smut and Dry Rot of Maize. (Agric. 



Journ. S. Africa. IV. p. 119—122.) 

 Radlberger, L. 1916. Zur Schleimbildung an der Zuckerrübe. (Oesterr. 



ungar. Zschr. Zuckerind. u. Landw. XLV. p. 347 — 348.) 

 Reddick, D. 1914. Dead-arm disease of grapes. (Bull. New York agr. 



Exp. Stat. 1914. 389. p. 463—490.) 



