Pflanzenkrankheiten. 385 



Lawrence, W. H., Plant diseases induced by Sclerotinia 

 perplexa nov. sp. (Bull. n''. 107. Washington Agr. Exper. Sta. 

 Oct. 1912.) 



Referring to diseases of Jerusalem artichoke, onion, rutaboga, 

 cucumber, chicory, mangelwurzel, kohlrabi, cabbage, kale and 

 sunflower. Trelease. 



Mauns, T. F., Two recent important cabbage diseases 

 of Ohio. (Bull. n». 228. Ohio Agr. Expr. Sta. Mar. 1911.) 



Referring to "wilt" of "yellows" of the cabbage, caused by a 

 Fusarium, and "black-leg" or "foot rot" of the same vegetable, 

 caused by Phonia oleracea. Trelease. 



Morse, W. J. and W. H. Darrow. Is apple scab on young 

 shoots a source of spring in fection? (Phytopathology. III. 

 p. 265—269. Oct. 1913.) 



Referring to Venturia pomi — with affirmative answer. 



Trelease. 



Norton, J. B. S., Jonathan fruit spot. (Phytopathology. III. 

 p. 99—100. Apr. 1913.) 



Physiological causation of comparable spots. Trelease. 



Rover, J. B., The use of the green muscardine in the 

 control of some sugar cane pests. (Phytopathology. III. 

 p. 88—92. pl. 7. Apr. 1913.) 



Reforring to Metarrhisium Anisopliae. Trelease. 



Schrank, H. von, Two trunk diseases of the mesquite. 

 (Ann. Mo. Bot. Gard. I. p. 243—252. pl. 6—7. 1914.) 



Referring to the effects of Polyporus texanus and Fomes rimo- 

 sus on Prosopis. Trelease. 



Schrenk, H. von, A trunk disease of the lilac. (Ann. Mo. 

 Bot. Gard. I. p. 253—262. pl. 8-9. 1914.) 



Referring to Polyporus versicolor on Syringa. Trelease. 



Smith, C. O., Black pit of lemon. (Phytopathology. III. p. 277- 

 281. pl. 24. Dec. 1913.) 



Attributed to ßacterium citriputeale n. sp. Trelease. 



Taubenhaus, J. J., The black rots of the sweet potato. 

 (Phytopathology. III. p. 161—166. pl. 14—16. June 1913.) 



Referring to Sphaeronema fimbriatuntj Sclerotium hataticola n. 

 sp., and Lasiodiplodia tubericola. Trelease. 



"Wolf, F. A., Control of apple black rot. (Phytopathology. IIL 

 p. 288-289. Dec. 1913.) 



Referring to Sphaeropsis malorum. Trelease. 



Botan. Centralblatt. Band 129. 1915. 25 



