348 



INDEX 



Viburnum. Lantana 13, 21, 37, 47, 

 53, 55, 187, 188 



V. Opulus 13, 21, G4, 1)5, 121, 177, 

 178, 272 



Vicia 113 



Vicissitudes of environment 144 



Vine 4, 13, 21, 30, 45, 64, 111, 

 130, 227-229 



Violet light 133, 134 



Viscid buds 254, 255, 258 



Viscum album 193, 194 



Virginian Creeper 13, 17, 25, 29, 

 45, 55, 175, 176 



Vitis vinifera 227-229 



Volume of carbon-dioxide absorbed 

 135 



Volume of carbon-dioxide decom- 

 posed 135 



Volume of oxygen 127, 135 



Volume of oxygen liberated 132 



Wall-climbers 111 



Walls of cells 69 



Walnut 13, 17, 19, 25, 28, 29, 45, 



52, 57, 58, 89, 118, 162, 163, 



164 

 Water 83, 87, 89, 90, 94, 95, 103, 



104, 108, 113, 117, 125, 131, 



142, 147 

 Water-cultures 128 

 Water Lily 15, 35, 99, 104 

 Water-pipes 32, 79, 87 

 Water plants 98 

 Water-pores 97, 105-107 

 Water-stomata 105 

 Water supply 80, 141, 143 

 Water system 33 

 Water- vapour 87, 89, 90, 91, 92, 



96, 97, 105, 106, 122 

 Water-weed 132 



Wax 97, 124, 143, 146 



Waxy bloom 36, 104, 121, 145, 



277, 294 

 Wayfaring Tree 25, 29, 47, 52, 



55, 187, 188 

 Weeping Willow 24, 248 

 Weight of leaf 143 

 Western Plane 231 

 Weymouth Pine 308 

 Whin 13, 17, 45 



White Beam 25, 26, 29, 30, 56, 252 

 White latex 223 

 White Poplar 15, 25, 26, 30, 37, 



44, 45, 208, 209 

 White-tomentose surface 205 

 White Willow 24, 29, 30, 37, 244 

 Whitethorn 210 

 Whorled leaves 7, 13, 177, 191 

 Whortle Willow 280 

 Whortleberries 194, 284 

 Willow 5, 13, 20, 21, 59, 60, 61, 



89, 105, 106, 118, 121, 249, 274, 



276, 283, 284 

 Wind 123, 142 

 Window plants 111 

 Winged petiole 18 

 Winter-buds 139 

 Winter stomata 105 

 Wood 67, 68, 70 

 Wood-system 125 

 Woolly hairs 37 

 Wych Elm 25, 37, 241, 242 



Yellow light 133, 134 



Yew 11, 20, 21, 24, 55, 89, 105, 



118, 151, 315 

 Young leaf 38 

 Yucca 4 



Zoospores 76, 77 



CAMBRIDGE I PRINTED HY J. AND C. F. CDAY, AT THE UNIVERSITY PRESS. 



