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INDEX TO AMERICAN BOTANICAL LITERATURE 433 
Raymond, T. Las especies de eucaliptos mAs importantes. Rev. Min. 
Obras Publicas Colombia 8: 23-49. Ja 1914; 72-81. F 1914. 
Schlechter, R. Asclepiadaceae. In Pilger, R. Plantae Uleanae novae 
vel minus cognitae. Notizbl. Kénigl. Bot. Gard. Berlin 6: 173-179. 
4 Ap 1914. 
Includes new species in Blepharodon ME Metastelma (1), Ditassa (3), Orthosia est 
Oxypetalum (1), Gonolobus (1), and Fimbris ) 
Schlechter, R. Orchidaceae. In rice R. Plantae Uleanae novae 
vel minus cognitae. Notizbl. Kénigl. Bot. Gard. Berlin 6: 120-126. 
20 Mr 1914. 
Includes twelve new species. 
Schulz, O. E. Erythroxylaceae. In Pilger, R. Plantae Uleanae 
novae vel minus cognitae. Notizbl. Kénigl. Bot. Gard. Berlin 6: 
142. 20 Mr 1914. 
Shreve, F. The role of winter temperatures in determining the dis- 
tribution of plants. Am. Jour. Bot. 1: 194-202. f. 1. 23 My 1914. 
Smith, G.M. The cell structure and colony formation in Scenedesmus. 
Archiv Protistenkunde 32: 278-297. pl. 16, 17. 1914. 
Smith, J. D. Undescribed plants from Guatemala and other Central 
American republics. XXXVIII. Bot. Gaz. 57: 415-427. 16 My 
1914, 
Includes descriptions of twenty new species and one new genus. 
Sprague, T. A. Pithecoctenium cynanchoides. Curt. Bot. Mag. IV. 
10: pl. 8556. My 1914. 
A South American plant. 
Stapf, O. Abies magnifica. Curt. Bot. Mag. IV. 10: pl. 8552. .My 
1914. 
A plant from the northwestern United States. 
Stewart, A. Some observations on the anatomy and other features of 
the “black knot.” Am. Jour. Bot. 1: 112-126. pl. 9, 10. 6 My 
1914. 
Stewart, F. C., & Rankin, W.H. Does Cronartium ribicola over-winter 
on the currant? N. Y. Agr. Exp. Sta. Bull. 374: 41-53. pl. 1-3 + 
map. F 1914, 
Stockberger, W. W. The social obligations of the botanist. Science 
II. 39: 733-743. 22 My r1or4. 
Thaxter, R. Note on the ascosporic condition of the genus Aschersonia 
Montagne. Bot. Gaz. 57: 308-313. f. 1-7. 15 Ap 1914. 
Thomson, R. B. The spur shoot of the pines. Bot. Gaz. 56: 362-385. 
pl. 20-23. 16 My 1914. 
Torrey, G.S. Two yellow-fruited shrubs. Rhodora 16: 91, 92. II 
My 1914. 
