(Ill) 



Stahel, G. De Zuid-Amerikansche Heveabladziekte veroorzaakt door Melanopsam- 

 mopsis Ulei now gen. (= Dothidella Ulei P. Henn.). (Bull. Dept. Landb. Suriname 

 XXXIV [1917], 111pp., 29 PL) 



■ ■ 



— Uber die Infloreszenzen von Theobroma Cacao Linn, und Theobroma bicolor 

 Humb. und ihre Umformung unter dem EinfluB des Krullotenschimmels (Marasmius 

 perniciosus Stahel). (Ann. Jard. Bot. Buitenzorg XXXIII [1918], II. Ser. XV, 

 p. 95— 111.) 



— De sclerotium-ziekte van de Liberia-koffie in Suriname. (Med. Dept. Landbouw 

 Suriname XIII [1918], 2 pp.) 



Staib, Franz. Gebrauch und Anwendung der Saatbeize ,,Corbin". (Mollers Deutsche 

 Gartnerzeitg. XXXIII [1918], p. 82.) 



Stakman, E. C. and Hoerner, G. R. The occurrence of Puccinia graminis tritici- 

 compacti in the Southern United States. (Phytopathology VIII [1918], p. 141—149, 

 2 Fig.) 



— and Levine, M. N. Rye smut. (Minnesota Agr. Exp. Stat. Bull. Nr. 160 [1916], 

 p. 1—19, Fig. 1—6.) 



— a. 0. Can biologic forms of stemrust on wheat change rapidly enough to interfere 

 with breeding for rust resistance? (Journ. Agric. Research Washington XIV 

 [1918], p. 111—123, ill.) 



Stevens, F. L. Some meliolicolous parasites and commensals from Porto Rico. (Bot. 



Gazette LXV [1918], p. 227—249, 2 PI., 5 Fig.) 

 Stevens, H. E. Lightning injury to Citrus trees in Florida. (Phytopathology VIII 



[1918], p. 283—285, 1 Fig.) 



— Melanose. II. (Bull. Florida Agric. Experim. Stat. CXLV [1918], p. 103—116, 

 Fig. 26—31.) 



Stevenson, J, A. An epiphytotic of cane disease in Porto Rico. (Phytopathology VII 



[1917], p. 418—425, 2 Fig.) 



— Lightning injury to sugar cane. (Ibidem VII [1917], p. 317—318.) 



- — The green muscardine fungus in Porto Rico. (Journ. Dept. Agric. Porto Rico II 



[1918], p. 19—32, 1 PL) 



— Report of the department of pathology and botany. (Annual Rep. Ins. Exp. 



Stat. Porto Rico 1917, p. 37—83.) 

 Stevenson, J. and Rose, R. C. Vegetable diseases. (Annual Rep. Ins. Exp. Stat. Porto 



Rico 1917, p. 83—98.) 

 Stewart, A. C. A Phoma blight of red cedar. (Phytopathology VIII [1918], p. 33—34.) 



Stewart, F. C. The velvet-stemmed Collybia — a wild winter mushroom. (Bull. 



New York Agric. Exp. Stat. Nr. 448 [1918], p. 79—98, ill) 

 Stewart, V. B. A twig and leaf disease of Kerria japonica. (Phytopathology VII 



[1917], p. 399—407, 6 Fig.) 



— The perennation of Cronartium ribicola Fisch. on currant. (Phytopathology VII 



[1917], p. 448—449.) 



— Exclusion legislation and fruit tree production. (Ibidem VIII [1918], p. 360—364.) 



Stone, R. E. Orange rust of Ru bus in Canada. (Phytopathology VIII [1918], p. 27—29, 



1 Fig.) 

 Stranak, F. Beitrage zur histologischen und physiologischen Erforschung der bak- 



teriellen Krankheit der GefaBbiindel der KartoffelknoUen. (Centralbl. f . Bakt. usw. 



II. Abt. Bd. XL VIII [1918], p. 520—543, 2 Textfig.) 

 Tabor, R. J. and Barratt, K. On a Disease of the Beach caused by Bulgaria poly- 



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