740 



110TANY 



Violaceae, 629 

 Violet, Vinlii 

 Visi-in-in, *f,ii'i 

 \'in<- ntn, *94, 231, *644 ; i-ptdt-rmis, 1-1(5 ; 



false iliubotomy, 18 

 Vitai-L-ae, 623 ; iiluiiiiniuiii, 192 

 Vital force, 174 

 Vital properties of plants, 172 

 \'itis, *622, 623 ; tendrils. 27 

 Vittae, 98 

 Fo/teifl, 501 

 Volva, 412 

 Volvocales, 353 

 Volrox, *354, 355 



\Vnli-liia, 500 



Walking fern, Camptosorus rhizophyllna 



Water, absorption of, 197 ; constitution, 

 196 ; -culture, *190 ; distribution of, 

 200 ; exudation of, 209 ; imbibition, 

 194 ; necessary for assimilation, 

 219 ; -plants, 245 ; -plants, growth in 

 air and water, 260; -stomata, 104 ; 

 *105, 123 ; -supply, regulation of, 

 212 



Water Crowfoot, fianuncttlus at/ti/i.-< 



Water-ferns, Hydropterideae 



Water Hemlock, Cicuta 



Water-net, Hydrodiciyon 



Water Parsnip, Stum 



Water-pores, water-stomata 



Wax, *101 



Weigelia, 675 



\\'f/i'-itschia, 498 



Wheat, Triticum 



White Thorn, 



WiHovghbeia, 651 



Willow, Salix 



Willow-herb, 



Winter buds, 109 



Witches'-brooms, 398 



Wljli<i, 49, 197, 53 



Wood, autiiinn, 131 ; elements, *137 : 



fibres, 134, 136; parenchyma. 1-">I. 



140; secondary. l : ''t : spring, 131 

 Woodrull', Ax/iei-iiln 

 Wormwood, .1 //<//(/.</(/ 

 Wounds, 1i,-alin- of, 150 



Xant lieiii, 80 

 Xanthophyll, 62, 63 

 Xanthoprotein, reaction, 57 

 Xmithoria, *416, *417 

 Xenia, 305 



Xerophytes, 212; stomata of, 104 

 Xylem, 111, 112; jiari-ncliyina. 112 

 Xylocliromc. ]'>"> 



Yam, Itio 

 Yew, Taxus baccata 



Yin-,-,,, *511, 543; pollination, 308; 

 thickening, 144 



Zinnia, 485, *487, *488 : spermatozoid, 



*487 



Zaitichellia, 524 

 Zea, 528; bundles, *110, *111 ; exuda- 



tion of water from, 209 ; stem, *117 

 Zinc in plants, 187 



Z in (jiber, 546, *547 ; ethi-n-al oil, 79 

 Zingiberaceae, 456 

 Zinnia, 687 



Zostera, 524 ; pollination, 307 

 Zygnemaccae, :> > J'> 

 Zygomorphic, flowers, *508 ; symmetry, 



16 



Zygomycetes, 383 >^__ 

 Zygophyllaceae, 611 

 ZygoMceharotnyces, 399 

 Zygospore, 331, 344, 3S4, *3S5 

 Zymase, 223 



THE END 



rrintedby K. & R. CI.AKK, I.lMiTFti. Edinburgh. 



