504 
24531—24549a Scribner. 
31 Scribner Frank Lamson. Report on Fungous Diseases of the Grape vine 
(U. S. Dept. Agrie. Bot. Divis., Bull. 2, Washington 1880, p. 136) 7 pl. 
32 — Notes on the orange-leaf scab. (Bull. Torr. Bot. Club, XIII, 1886, p. 181 
bis 183). 
33 — The downy mildew, Peronospora viticola (Rep. U. S. Dept. Agr. for 1886, 
Washington 1887, p. 96) tab. 
34 — The powdery mildew, Uncinula spiralis (Rep. U. S. Dept. Agr. for 1886* 
Washington 1887, p. 105) tab. 
35 — Black-rot, Physalospora Bidwellii (Rep. U. S. Dept. Agr. for 1886, 
Washington 1887, p. 109) tab. 
36 — Anthracnose, Sphaceloma ampelinum (Rep. U. S. Dept. Agr. for 1886, 
Washington 1887, p. 112) tab. 
37 — Celery-leaf blight, Cercospora Apii (Rep. U. S. Dept. Agr. for 1886, 
Washington 1887, p. 117) tab. 
38 — Orange-leaf scab (Rep. U. S. Dept. Agr. for 1886, Washington 1887,. 
p. 120) tab. 
39 — The Potato-rot, Phytophthora infestans (Rep. U. S. Dept. Agr. for 1886, 
Washington 1887, p. 121) tab. 
40 — Ejection of ascospores from the asci of Physalospora Bidwellii (Bull.. 
Torr. Bot. Club, XIV, 1887, p. 207). 
41 — Grape leaf-spot disease and black-rot (Colmans Rural World, St. Louis 
1887). 
41 a — White Rot of grapes (Colmans Rural World, 1887). 
42 — Report of the chief of the section of vegetable Pathology for the year 
1887 (Annual Rep. of the Depart. of Agricult. for the year 1887, Washing¬ 
ton 1888). 
43 — Some results of mycological work in U. S. Dept. of Agriculture (Bot.. 
Gaz., XIII, 1888, p. 14). 
44 — New observations on the fungus of Black-rot of grapes, and succesful 
treatment of Black-rot (Proceed. of the Soc. for the promot. of agricult. 
sci. for the 1888 meeting). 
45 — Esperienze sui trattamento dei Black Rot e dei Brown Rot in America 
(Rassegna Conegliano, II, 1888, p. 528). 
46 — Pear scab (Orchard and Garden, XII, 1890, p. 8). 
47 — Root-rot of the vine (Agaricus melleus and Dematophora necatrix Hartig) 
(Orchard and Garden, Jan. 1890, p. 12). 
48 — Plum-rot, or the Monilia of fruit (Orchard and Garden, XII, 1890* 
p. 103) fig. 
49 — Apple rust and cedar apples (Orchard and Garden, XII, 1890, p. 134) fig. 
49a — Powdery mildew of the rose (Orchard and Garden, XII, 1890, p. 144)., 
