INDEX. 



659 



Zamia longifolia, 337, 441. 

 Zamia muricata, 357, 6io. 

 Zanichellia, 277, 278, 368. 

 Zanichellia palustris, vas- 

 cular system, 272, 277. 

 Zanthoxylese, oil-cavities, 



207. 

 ^anthoxyloti 

 cork, no, 

 S09. 



fraxineum, 

 11; wood. 



Zea Mais, 54, 412 : annular 

 , vessel, 157 (Fig. 56) ; apex 

 of root, 10 (Fig. 3) ; col- 

 lateral bundles, 330 (Figs. 

 150, 151) ; sclerenchyma, 

 422; stomata, 44; vas- 

 cular bundles, 373 (Figs. 

 174, 175) ; vascular sys- 

 tem, 267, 302, 311, 359, 

 371- 



Zingiberaceae, lo, 108 : 

 crystals, 142 ; secretions, 

 145 ; secretory reservoirs, 

 136; vascular system, 267. 



Zinnia elegans, 447. 



Zostera, air-spaces, 217 ; 

 vascular system, 275, 368. 



Zostera marina, 275. 



Zygopetalum Mackai, aerial 

 roots, 228. 



THE END. 



