(86) 
Wilson, G. W. Rusts of Hamilton and Marion Counties, Indiana. (Proceed. Indiana 
Acad. Sci. (1916] 1917, p. 382—383.) 
Wilson, H. F. The common cabbage worm in Wisconsin (Pontia rapae Linn.). (Agric. 
Experim. Stat. Union Wisconsin Research Bull. Nr. 45 [1919], 35 pp., 11 Figs.) 
Winston, John R. Tear-Stain of Citrus Fruits. (U. S. Dept. Agric. Washington, 
Bull. Nr. 924 [1921], 12 pp., 2 Fig.) 
Wolf, F. A. Dissemination of bur clover leaf spot. (PhytopathologyVI [1916], p. 301.) 
— Neocosmospora vasinfecta Erw. Sm. on potato and adzuki bean. (Ibidem VI 
[1916], p. 301.) 
— Sclerotium Rolfsii Sacc. on Citrus. (Ibidem VI [1916], p. 302.) 
— Citrus canker. (Alabama Agric. Experim. Stat. Bull. 190 [1916], p. 91—100, 
Pl. I—II, 6 Textfig.) 
Wolf, F. A. and Moss, E. G. Diseases of flue-cured tobacco. (Bull. N. C. Dept. Agric. 
XL [1919], p. 545, 24 Figs.) 
— A bacterial leaf-spot öf velvet bean. (Phytopathology X [1920], p. 73—80, 2 Fig.) 
-— ‚Bacterial bligkt of soybean. (Ibidem p. 119—132, 5 Fig.) 
Wolf, F. A. and Cromwell, R. 0. Clover stem rot. (North Carolina Agric. Experim. 
Stat. Bull. no. XVI [1919], 18 pp., 3 Pls.) 
Wolf, Frederick A. A little-known Vetch Disease. (Journ. Elisha Mitchell Scientif. 
Soc. XXXVI [1920], p. 72—85, Pl. II—VI.) 
Wormald, H. The „Brown Rot‘ Diseases of Fruit Trees, with Special Reference to 
two Biologic Forms of Monilia cinerea Bon. I. (Ann. of Bot. XXXIII [1919], 
p- 361—404, Pl. XXV—XXVI) 
— The „Brown Rot‘ Diseases of Fruit Trees, with Special Reference to two Biologic 
Forms of Monilia cinerea, Bon. II. (Ann. of Bot. XXXIV [1920], p. 143—171, 
Pl. IV--V)) 
C. Sammlungen. 
Die mit einem * bezeich 1 können außer von dem Herausgeber auch durch den 
Verlag von Th. Osw. Weigel in Leipzig bezogen werden. 
Hedieke, H. Herbarium tierischer Fraßstücke. Lief. 5 (No. 101—125). 1920. M. 80.—- 
Hylmö, D. E. Skandinavische Meeresalgen. Cent. I (1916.) 
Sydow, Mycotheca germanica Fasc. XXIX—XXXVI (No. 1401-1800). (Ann. 
Mycol. XIX [1921], p. 132144.) 
Weiß, J. E. Herbarium pathologicum (fortgesetzt von R. Staritz). Große Ausgabe. 
Lief. 6 und 7 (No. 16—175). 1921. Je M. 15.—. 
Zahibruckner, A. Schedae ad „Kryptogamas exsiccatas“ editae a Museo Palatino 
Vindobonensi Cent. XXIII. (Ann. Naturhist. Hofmus. Wien XXIX, p- 454-482.) 
— Schedae ad „Kryptogamas exsiccatas‘ edita a Museo Palatino Vindobonensi 
Cent. XXIV. (Ann. Naturhist. Hofmus. Wien XXX, p. 197—235.) 
D. Personalnotizen. 
Gestorben: w 
Edward Alexander Newell Arber am 14. Juni 1918 im Alter von 
47 Jahren zu Cambridge in ee — cCav. Gaetano en! 
