168 INDEX TO AMERICAN BOTANICAL LITERATURE 
Stewart, A. Some observations concerning the botanical conditions on 
the Galapagos Islands. Trans. Wisconsin Acad. Sci. 18: 272-340. 
1915. 
Stewart, R. R. Some observations on the flora of the northwest 
Himalaya. Torreya 15: 251-260. f. 1-4. 30 D 1915. 3 
Stevens, H. E. Citrus canker-III. Florida Agr. Exp. Sta. Bull. 128: 
1-20. f. 1-6. N 1915. 
Stomps, T. J. The dunes of Lake Michigan. Plant World 18: 205- 
216. Au I9g15. 
Sturgis, W. C. Myxomycetes from South America. Mycologia 8: 
34-41. Ja 1916. 
Sumstine, D. R. The fungal flora of Pittsburgh. Bot. Soc. W. 
Pennsylvania Publ. 1: 14-18. 27 N 1gIt. 
Taylor, N. Endemism in the flora of the vicinity of New York. 
Torreya 16: 18-27. Ja 1916. 
Thellung, G. Pflanzenwanderungen unter dem Einfluss des Menschen. 
Bot. Jahr. Beibl. 53: 37-66. 19 O 1915. 
Thompson, W. G. Notes on Stockbridge trees. Stockbridge 1: 8-10 
1 O 1914. 5 
Transeau, E.N. Annotated list of the algae of eastern Illinois. Trams. 
[Illinois Acad. Sci. 6: 69-89. 1913. 
Transeau, E. N. The periodicity of algae in Illinois. Trans. Am. 
Micros. Soc. 32: 31-40. f. 1-8. Ja 1913. 
Transeau, E.N. Notes on the Zygnemales. Ohio Jour. Sci. 16: 17-31: 
N 1915. 
Includes Debar, 7 D. decussata. 7: dye Spirogyra Borgeana, 
S. propria, S. oan S. micropunctata, S. ichieni S. hydrodictya, S. Farlowii, 
and S. floridana, spp. ni 
Travelbee, H. C. Ces of certain long-cycled and short-cycled 
rusts. Proc. Indiana Acad. Sci. 1914: 231-234. 1914. 
Tufts, W. P. An inquiry into the nature of a somatic segregation of 
characters in the Le Conte pear. Oregon Agr. Exp. Sta. Bull. 123: 
1-16. $f. Fy2s, Dorgte: 
Ullrich, F. T. The relation of evaporation and soil moisture to plant 
succession in a ravine. Bull. Illinois State Lab. Nat. Hist. 13° 
I-16. pl. I-78. S 1915. 
Weatherwax, P. Some peculiarities in Spirogyra dubia. Proc. Indiana 
Acad. Sci. 1914: 203-206. f. 1-5. 1914. 
