INDEX. 



295 



Weight of wood, 20, 27, 50 

 Wellingtonia, 54 

 Westermaier's theory of ascent 



of water, 103107, 133 

 Wet- rot, 143 



Weymouth Pine, 258, 285 

 Willow, 25, 43, 48, 58, 73, 165, 



254 

 Wood-parenchyma, 17, 25, 45, 



54, 65, 103, 114, 133 

 Wood-substance, 14, 152, 245 

 Wound- parasites, 164, 174, 198, 



222, 225 



Wounds, 164, 174, 210 226, 

 228, 241, 262 



Xylia, 56 



X. 



Y. 



Yew, 54, 67, 77, 78, 109, 123 



Zimmermann 

 water, 101 

 Zizyphtis, 56 

 Zoospores, 279 282 



Z. 



on ascent 



of 



THE END. 



RICHARD CLAY AND SONS, LIMITED, LONDON AND BUNCAY. 



