672 
40 441—40 460 Watterson—Weese. 
41 Watterson Ada. The effect of Chemical irritation upon the respiration of 
fungi (Science, N. S. XIX, 1904, p. 178). 
42 Watts F. Scale insects and their natural enemies (Rept. Bot. Stat. Exper. 
Plots and Agrie. School Dominica, Barbados 1909/1910, n. 15). 
43 Waugh F. A. Anthracnose of watermelons (Americ. Horticult., V, 1895, 
p. 61) fig. 
44 — Treatment of melon diseases (Oklahoma Agrie. Exper. Stat., Bull. 15, 
1895, p. 30-32) fig. 
45 — Plum-tree canker (Vermont Agrie. Exper. Stat. Report 1900, p. 370 
bis 373) fig. 
46 Webb and Brand. Disease in hollyhocks (The Garden, LXXIV, 1910, 
p. 582). 
47 Webber Herbert J. The principal diseases of Citrus fruits in Florida 
(Div. of Veget. Phys. and Pathol., Washington, D. C., Bull. 13, 1897, 
p. 20). 
48 Weber H. Carnation rust (Florisfs Exchange, IX, 1897, p. 97). 
49 — The cutting bench fungus (Florisfs Exchange, IX, 1897, p. 192). 
50 Weber H. A. Analyses of mushrooms (Journ. Columbus Hortic. Soc., VII, 
Columbus, Ohio, 1892, p. 12). 
51 Webster Hollis. Remarks on Volvaria (Rhodora, IV, 1902, p. 5 — 7). 
52 Webster W. D The sycamore fungus (Rhytisma acerinum) (Gard. Chron., 
3. ser. XLVI, 1909, p. 196). 
53 Wedde Hermann, Verzeichnis der in der Umgegend von Halberstadt vor- 
kommenden Barlappe, Schachtelhalme, Farne, Moose und Flechten. Progr. 
Halberstadt (L. Koch) 1909, 4°, 40 pp. 
54 Weed Clarence M. A seasoAs vvork among the enemies of the horti- 
culturist (Journ. Columbus Hort. Soc., IV, 1889, p. 94—106). 
54 a — The potato blight (American Agriculturist, XL1X, 1890, p. 348). 
55 — The brown rot of the stone fruits (The American Garden, XI, 1890, 
p. 165). 
56 — Fungous diseases of plants and their remedies (Ohio Agrie. Exper. Stat. 
Bull., 2. ser. III, No. 4, 1890, p. 139—144). 
57 — A second experiment in preventing the injuries of potato blight (Ohio 
Agrie. Exper. Stat., 2. ser. Bull. III, No. 8, Septbr. 1890). 
58 — Experiments in preventing downy mildew or brown rot of grapes (Ohio 
Agrie. Exper. Stat., 2. ser. Bull. III, No. 10, 1890, p. 253—263) fig. 
59 — An experiment in preventing the injuries of potato rot (Sci. Am., LXII, 
1890, p. 217). 
60 — Wheat „scab“ (Amer. Agrie., L, New York 1891, p. 693) fig. 
Weese Josef cfr. v. Hohnel Fr. 
