26 Botanisches Centralblatt. 



liehen Feinde der Kartoffelpflanze. (Cbl. Bakt. 2. XL VII. p. 545—588.) 

 Gardner, M. W. 1918. Anthracnose of Cucurbits. (Bull. U. S. Dep. 



Afric. 1918. 727. [Referring to Colletotrichum lagenarium and the 



disease caused by it. — Trelease.] 

 Gilbert, W. W. and M. W. Gardner. 1918. Seed treatment control and 



overwintering of cucumber angular leaf-spot. (Phytopathology. 



VIII. p. 229—233.) 

 Gillespie, L. J. 1918. The growth of the potato scab organism at 



various hydrogen ion concentrations as related to the comparative 



freedom of acid soils from the potato scab. (Phytopathology. VIII. 



p. 257-269. 1 f.) 

 Harter, L. L., J. L. Weimer and J. M. R. Adams. 1918. Sweet potato 



storage rots. (Journ. agr. Res. XV. p. 337—368. pl. 21—27.) 

 Jones, L. R. and W« W. Gilbert. 1918. Lightning injury to herbaceous 



plants. (Phytopathology. VIII. p. 270—282. 3 f.) 

 Laidlaw, W. and C. C. Brittlebanlc. 1918. „Black spot" and „leaf curl". 



(Journ. Dep. Agr. Victoria. XVI. p. 479—487. ill.) 

 Lek, H. A. A. van der 1918 Over de z. g. .,verwelkingsziekten", in 



het bijzonder die welke door Verticiilium alboatrum veroorzaakt 



worden. (Tijdschr. Plantenz. XXIV, p. 205—219. 1 pl. wordt verv.) 

 Lyman, G. R. 1918. The relation of phytopathologists to plant disease 



survey work. (Phytopathology. VIII. p. 219—228.) 

 Mangin, L. 1919. Sur l'action nocive des emanations de Tusine de 



Chedde. (C. R. Ac. Sc. Paris. CLXVIII. p. 193—199. ill.) 

 Martin, W. H. 1918. Dissemination of Septoria l3^copersici Speg. by 



insects and pickers. (Phytopathologj-. VIII. p. 365—372.) 

 Matz, J. 1918. Diseases and insects pests of the pecan. (Bull, Florida 



agr. Exp. Stat. 1918. 147. p. 135—162. ill.) 

 Mc Murran, S. M, 1918. Preventing wood rot in pecan trees. (Farmers' 



Bull. U. S, Dep. Agr. 1918. 995. 8 pp. 10 f.) 

 Midyear Report. 1918, War Emergencv Board- American Plant Patho- 



logists. 1918. 40. 30 pp.) 

 Moesz, G. 1918. Megjegyzes Schilberszky K.-nak a fekete gabonarozsda 



tärgyäban tett javaslatähoz. [Bemerkungen zu K. S c h i 1 b e r s z k y 's 



Antrag bezüglich des Getreideschwarzrostesl. (Bot. Közl. XVII. 



p. 49-51.) 

 Müller-Thurgau. 1917. Bericht der schweizerischen Versuchsanstalt 



für Obst-, Wein- und Gartenbau in Wädenswil für die Jahre 1915 



und 1916. (Landw. Jahrb. Schweiz. 1917. p. 405—529.) 

 Nasfe, G. V. 1918. Injury to evergreens. (Journ. New York bot. Card. 



XIX. p. 159—164.) 

 Pole Evans, I. B. 1918. Teff rust. (Kew Bull. 1918. p. 228-229. ill.) 

 Pool, V. W. und M. B. 1916. Das Auftreten von Cercospora beticola 



im Zusammenhang mit den Bewegungen der Spaltöffnungen, (Int. 



agr,-techn. Rundsch. VII. p. 529.) 

 Puttemans, A. 1918. Notes phytopathologiques et mycologiques. [N. P.]. 



(ßruxelles. 1918.) 

 Report (1918) of the Conference on diseases of potatoes and seed 



certification, War Emergency Board-American Plant Pathologists. 



(Buffalo, N. Y.. 1918. 40.'21 pp.) 

 Rhoads, A. S. a. 0. 1918. Host relationships of the North American 



rusts, other than gvmnosporangiums, which attack conifers. (Phyto- 

 pathology, VIII. p.' 309— 352.) 

 Schilberszky, K. 1918. lavaslat a fekete gabonarozsda tärgyäban. 

 • [Antrag in Bezug auf den Getreideschwarzrost]. (Bot. Közl. XVII. 



p. 43-48.) 



