598 INDEX TO AMERICAN BOTANICAL LITERATURE 
Saxton, W. T. The classification of conifers. New Phytologist 12: 
242-262. f. I. 26 Jl 1913. 
Selby, A.D. A brief hand-book of the diseases of cultivated plants in 
Ohio. Bull. Ohio Agr. Exp. Sta. 214: 307-456 + i-vii. f. 1-106: 
Mr 1910. 
Shannon, C. W. The trees and shrubs of Oklahoma. Oklahoma Geol. 
Surv. Cire. 4: 1-41. Mr 1913. [Illust.] 
Shear, C. L., & Stevens, N.E. The chestnut-blight parasite ( Endothia 
parasitica) from China. Science II. 38: 295-297. 29 Au I913. 
Simon, C. E., & Wood, M.A. On the inhibitory action of certain anilin 
dyes upon bacterial development. Proc. Soc. Exp. Biol. & Medicine 
10: 176-178. 21 My 10913. 
Smith, J. D. Undescribed plants from Guatemala and other Central 
American republics. Bot. Gaz. 56: 51-62. 16 Jl 1913. 
Twenty new species are described. t 
Smith, J. D., & Rose, J. N. A monograph of the Hauyeae and 
Gongylocarpeae, tribes of the Onagraceae. Contr. U. S. Nat. Herb. 
16: 287-298. f. 45-54. 23 Au 1913. 
Includes ‘Burragea and X ylonagra gen. nov. and Hauya Rusbyi sp. nov. 
Stevens, F. L., & Hall, J.G. Diseases of economic plants. °i-x 35 
513. f. I-219. New York, 1910. 
Stout, A. B. Tomato-nightshade chimeras. Jour. N. Y. Bot. Gard. 
14: .145-150. pl. t2z. Au 1913. 
Surface, F. M. |The result of selecting fluctuating variations, data 
from Illinois corn breeding experiments. IV°. Conférence Inter- 
nat. Génétique, Paris rort: 222-255. 1913. 
Swingle, W. T. Chaetospermum, a new genus of hard-shelled citrous 
fruits. Jour. Washington Acad. Sci. 3: 100-102. f. 7. 19 F 1913- 
Swingle, W.T. Le genre Balsamocitrus et un nouveau genre voisin, 
Aeglopsis. Bull. Soc. Bot. France 58: (Mém.) 225-245. pl. se +f. 
, B. Mr 1912. 
ae Balsamocitrus gabonensis sp. nov. and Aeglopsis Chevalieri gen. et sp. NOV- 
‘Swingle, W. T. Observations sur les quelques espéces. indo-chinoises 
des genres Atalantia et Glycosmis. -Notulae Syst. 2: 158-163. f. J: 
25 Mr rogrz2. 
Swingle, W. T. Variation in first generation hybrids (imperfect 
dominance): its possible explanation through zygotaxis. IV. Con- 
férence Interna. Génétique, Paris 1911: 581-594. f. I-10. 1913: 
