494 
37 585—37 554 Orishimo — Orton. 
35 Orishimo Y. On the genetic connection between Coleosporium on Aster 
scaber and Peridermium Pini-densiflorae P. Henn. (Tokyo Botan. Mag., 
XXIV, 1910, p. 1-5). 
36 Orpet E. O. Rose mildew (Amer. Gard., XXII, 1901, p. 745—746). 
37 — Nochmals Mehltau (Rosenzeitung, XVIII, 1903, p. 2—3). 
38 Orr H. B. Experiments with tornato blight (Northwest Hortic. XX, 1907, 
p. 3-4). 
39 Orr W. M. Notes on experimental spraying (Fruit Growers’ Assoc. Ontario 
Rept. 1898, p. 69—77). 
40 Orsos Franz. Die Form der tiefliegenden Bakterien- und Hefekolonien 
(Centrbl. I. Bakter. u. Paras., Orig. Abt., LIV, 1910, p. 289—328) fig. 
41 Orthey G. Meine Versuche mit Karbolineum zur Bekampfung von Obst- 
baumschadlingen and Krankheiten (D. Obstbauzeit., Stuttgart 1906, p. 218 
bis 219). 
42 Orton William Allen. Bitter rot (Yearbook U. S. Depart. of Agricult. 1901, 
p. 669). 
42 a — Piant diseases in the United States in 1901 (Yearbook U. S. Dep. Agrie. 
Washington, 1901, ersch. 1902, p. 668—672). 
43 — Piant diseases in 1905. Washington 1905, 8°, 10 pp. 
44 — Spraying for cucumber and melon diseases (U. S. Depart. Agrie., Farmers 
Bull. 231, 1905, 24 pp.) fig. 
45 — Pecan scab (Science, N. S. XXI, 1905, p. 503). 
46 — The piant diseases survey of the United States. (Abstract) (Science, 
N. S., XXV, 1907, p. 268). 
47 — A study of disease resistance in Watermelons (Abstract) (Science, 
N. S., XXV, 1907, p. 288.) 
48 — Sea island cotton: its culture, improvement, and diseases (U. S. Dep. of 
Agrie., Farmers Bull., 302, Washington, 1907, 48 pp.). 
49 — Piant diseases in 1906 (Yearbook U. S. Dept. Agrie, for 1906, ersch. 1907, 
p. 499-508). 
50 — Cotton Wilt (U. S. Dept. of Agrie. Farmers Bull. 333, 1908). 
51 — The development of farm crops resistant to disease (U. S. Dept. Agrie. 
Yearbook, 1908, p. 453—464) tab. 
52 — Potato diseases in San Joaquin County, Calif. (Cire. 23 Dept. Agrie. 
Washington 1909, 14 pp.). 
53 — Potato wilt and dry rot (Fusarium oxysporum) (Science, N. S., XXXI, 
1910, p. 751). 
54 — and Ames A. Piant diseases in 1907 (Yearbook U. S. Dept. Agrie, for 
1907, Washington 1908, p. 577—589). 
