228 INDEX TO AMERICAN BOTANICAL LITERATURE ° 
Reed, G. M. Phytopathological survey of the trees and shrubs of 
Prospect Park and the Botanic Garden (Brooklyn)—1. Report — 
of the first season’s work. Brooklyn Bot. Gard. Record 6: 14-20. 
Ja 1917. ? 
Robinson, B. L. A monograph of the genus Brickéllia. Mem. Gray 
Herb. 23:1-151. f. 1-095. 3 F 1917. 
Includes eleven new species and many new sections and new combinations. 
Sackett, W. G. A bacterial disease of the Wragg cherry. Jour. Bact. 
2:79, 80. Ja 1917. 
Preliminary note. 
Salter, R. C. The behavior of legume bacteria in acid and alkaline 
media. Proc. Iowa Acad. Sci. 23: 309-313. f. A, B. 1916. 
Sanford, F. H Michigan’s shifting sands. Their control and better 
utilization. Michigan Agr. Exp. Sta. Ann. Rep. 29: 385-413: 
J. 3-22. 1016... 
Sears, P. B. Amiotic hetthenoeencte : in Taraxacum vulgare (Lam.) 
Schrk. and Taraxacum laevigatum (Willd.) Dc. Ohio Jour. Sci. 17: 
97-100. Jaigi7. 
Seaver, F. J. Photographs and descriptions of cup-fungi—V. Peziza 
proteana and Peziza violacea. Mycologia 9: 1-3. pl. z. Ja 1917- 
Shamel, A. D. Bud variation in lemons. Jour. Heredity 8: 75-81. 
f. 10. 25 Ja 1917. 
Shear, C. L., Stevens, N. E., & Tiller, R. J. Endothia parasitica and 
related species. U.S. Dept. Agr. Bull. 380: 1-82. pl. 1-23+f. I-5- 
15 Ja 1917. 
Shufeldt, R. W. The American milkweeds. Am. Forest. 23: 21-28- 
j.:t-28 Ja sor, 
Shull, C. A. An interesting modification in Xanthium. Am, Jour. 
Bot. 4: 40-43. f. 1-3. 3 F 1917. 
Smith, C.O. Comparative resistance of Prunus to crown gall. Am. 
Nat. 51: 47-60. f. 1-6. Ja 1917. 
Spaulding, P., & Hartley, C. Safety first in tree planting. Am. Forest. 
22: 665-669. N 1916, _ [Illust.] 
Spessard, E.A. Prothallia of Lycopodium in America. Bot. Gaz. 
63: 66-76. f. I-27. 15 Ja 1917. 
Stevens, N.E. The influence of certain climatic factors on the develop- 
ment of Endothia parasitica (Murr.) And. Am. Jour. Bot. 4: 1-32- 
f. 1-3. 3 ¥F 1917. 
Thone, F.E.A. Pioneer plants on a new levee—II. Proc. Iowa Acad. 
Sci. 23: 423-426. 1916. 
