V 
Schedules, see Elementary Lecturing. Page 
Scytonemmaceae, see Campylonema. 
Selaginellas, Physiological Anatomy of Xerophytic (12 Text- 
figs.)—J. C. Th. Uphof .. . 101 
Significance of the Efficiency Index of Plant Growth, 
The—V. H. Blackman .. 97 
Significance of the Efficiency Index of Plant Growth, 
What is the (2 Text-figs.)—F. Kidd, C. West, and 
G. E. Briggs . ... ... 88 
Stem, see Geotropic Curvature in the. 
Stems, see Angle of Balance in. 
Theory of Geotropism, A; with some Experiments on the 
Chemical Reversal of Geotropic Response in Stem 
and Root (Plate 1 and 5 Text-figs.)—James Small 49 
Theory of the Origin of Leaves, A (3 Text-figs.)—J. Small 211 
Trail, James William Helenus [Obituary]—M. S(kene)... 46 
What is the Significance of the Efficiency Index of Plant 
Growth? (2 Text-figs.)—Franklin Kidd, C. West, 
and G. E. Briggs ... ... ... ... ... 88 
Xerophytic Selaginellas, see Selaginellas. 
