436 



INDEX 



flowers, 70 (Fig. 45), 71, 215, 315, 316; 

 fruit and seedling, 246 (Fig. 159), 

 248; hydrophilous pollination, 70, 71, 

 134, 346; in biological classification, 

 6; rheotropism, 282; root-hairs from 

 "collet," 245; stability of seedling, 

 245; twining roots, 205, 206 (Fig. 137) 



Zannichellia palustris, 134, 173, 205, 

 206 (Fig. 137), 215, 282 



Zannichellia poly carpa, 70 (Fig. 45), 71, 

 246 (Fig. 159) 



Zonation, 287-289 



Zoster a, affinities, 315; apical openings 



of leaves, 269; association with Algae, 

 123; distribution, 302; food of Brent 

 Geese, 302; fruit, 248 (Fig. 161); 

 habit, 124, 140; in biological classi- 

 fication, 6; leaf anatomy, 128 (Figs 

 85, 86), 131, 164; macropodous 

 embryo, 248 (Fig. 161); pollen, 

 thread-like, 125; pollination, 127, 

 129. 237 



Zosiera marina, 123, 127, 128 (Figs. 85, 

 86), 129, 248 



Zoster a nana, 125, 302 



" Zostera oceanica," 125 



CAMBRIDGE: PRINTED BY J. B. PEACE, M.A., AT THE UNIVERSITY PRESS 



