INDEX. 



659 



Zamia longifolia, 357, 441. 



Zamia muricata, 357, 610. 



Zanichellia, 277, 278, 368. 



Zanichellia palustris, vas- 

 cular system, 272, 277. 



Zanthoxylese, oil-cavities, 

 207. 



Zanthoxyion fraxineum, 

 cork, 1 10, I J I ; wood, 

 509- 



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, 10, 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. 



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