178 F. Petra k: Pilze 1920 (ohne die Schizomyceten und Flechten) [102 



(Ecology Vol. 1, 1920, p. 113—123.) — Siehe „Pflanzenkrankheiten" Eef. 

 Nr. 202. 



952. Butler, E. J. Report of the Imperial Mycologist. (Rep. 

 Agricult. Res. Inst. Pusa 1919—20, p. 58—67.) - - Siehe „Pflanzenkrankheiten" 

 Ref. Nr. 12. 



953. Campos, F. O. El Cancer del cacao. (Revista Agric. XVI, 1920, 

 p. 53—55.) 



954. Carpenter, C. W. Potato-diseases in Hawaii and their 

 control. (Hawaii Agr. Exp. Stat. Bull. Nr. 45, 1920, 42 pp., 15 Tab.) 



955. Carpenter, C. W. Preliminary report on root rot in Hawaii 

 (Lathinacanedeterioration,pineapplewilt, taro rot, rice root rot, 

 banana root rot.) (Hawai Agric. Exper. Stat. 'Bull. Nr. LIV, 1919, p. 1 — 8, 

 Tab. 1—8.) 



956. Chipp, T. F. The fungus flora of Hevea brasiliensis. (Gardens 

 Bull. Strait Settlem. II, 1920, p. 186—192.) — Siehe „Pflanzenkrankheiten" 

 Ref. Nr. 535. 



957. Clinton, G. Dry rot. (Connecticut Agricult. Exp. Stat. Bull. 

 Nr. 222, 1920, p. 398—400.) - - Betrifft die durch Merulius lacrymans verur- 

 sachte Fäulnis des Holzes. 



958. Clinton, G. P. New or unusual plant injuries and diseases 

 found in Connecticut 1916 — 1919. (Connecticut Agric. Exper. Stat. New 

 Haven Conn. Bull. Nr. 222, August 1920, p. 397—482, PI. XXXIII— LVI.) — 

 Siehe „Pflanzenkrankheiten" Ref. Nr. 117. 



959. Cortini. J. C. II „Fusicladium cerasi'' sulle pesche. (Boll. Mens, di 

 Inform, e notizie I, 1920, p. 107.) 



960. Dastur, J. F. Choanephora cucurbitarum (B. et Rav.) Thaxter, 

 on chillies {Capsicum sp.). (Annais of Bot. XXXIV, 1920, p. 399—403, 

 Tab. XIX.) — Siehe „Pflanzenkrankheiten" Ref. Nr. 573. 



961. Dastur, J. F. Glomereüa cingalata (Stoneman) Spauld. and 

 v. Seh. and its conidial forms Gloeosporiam piperatum C. and E. and 

 Colletotrichum nigrum E. and Hals, on chillies and Carica papaya. (Annais 

 of appl. Bot. VI, 1920, p. 245—268, Tab. X.) — Siehe „Pflanzenkrankheiten" 

 Ref. Nr. 574. 



962. Dastur, J. F. The mode of infection by smut in sugar-cane. 

 (Annais of Bot. XXXIV, 1920, p. 391—397, 10 Fig.) — Siehe „Pflanzen- 

 krankheiten" Ref. Nr. 543. 



963. Detwiler, S. B. Results of white pine blister rust control in 

 1919. (Phytopathology X, 1920, Nr. 3, p. 177—180.) 



964. Diekson, B. T. Stem-end rot of greenhouse tomatoes. (Phyto- 

 pathology X, 1920, p. 498—500, 1 Fig.) 



965. Diekson, B. T. Sclerotinia wilt of greenhouse tomatoes. 

 (Phytopathology X, 1920, p. 500— 501, 1 Fig.) 



966. Ducoinet, V. Un Oidium de la pomme de terre. (Bull, de la 

 Soc. dePathol. veget. VII, 1920, fasc. 2, p. 57.) — Siehe „Pflanzenkrankheiten" 

 Ref. Nr. 142. 



967. Durrell, L. W. A preliminary study of the purple leaf sheath 

 spot of com. (Phytopathology X, 1920, p. 487—495, 6 Fig.) 



968. Earle, F. S. Sugar cane root disease. (Journ. Dept. Agricult. 

 Porto Rico IV, 1920, p. 27.) 



