712 
INDEX 
Winter aconite, Eranthis ; -berry 
(Am., W. I.), Ilex\ -buds, 155, 
156, J59; -cherry, Phy sails ; 
-cress, Barbarea\ -green, Gaul- 
theria , Pyrola', -green, chick- 
weed, Trientalis ; -heliotrope, 
Petasites ; trees in, 156 
Winter’s bark, Drimys 
Wire-grass, Paspalum , Poa, Eleu- 
sine, &c. 
Witch-hazel, Hamamelis 
Witches’ brooms, 20, 156 
Woad, Isalis ; -waxen (Am.), 
Genista 
Wolfs-bane, monkshood; -milk, 
Euphorbia 
Wood, 33, 43, 154, 157, 158, 167; 
-anemone, Anemone ; -apple, 
Feronia ; Arar-, Callitris ; as- 
segai-, Curtisia ; -avens, Geum \ 
bass-, Tilia ; -betony, Betonica\ 
-bine, Lonicera ; bow-, Maclura ; 
Chittagong-, Chickrassia\ iron-, 
Mesua , &c. ; -fern (Am.), As- 
pidium ; lever-, Ostrya\ -nettle 
(Am.) , Laportea ; -oil, A leurites , 
Dipterocarpus,<k c. ; porcupine-, 
Cocos', -ruff, Asperula', -rush, 
Luzula ; -sage, Teucrium ; san- 
dal-, Santalum ; -sorrel, Oxalis ; 
yellow-, Cladrastis 
Wooden pears, Xylomelum 
Worm-grass (Am., W. I. ), Spigelia\ 
-seed, Chenopodium\ -wood, 
Artemisia 
Wound- wort, Stachys 
Wourali, Strychnos 
Wrack -grass, Zoster a 
Wych-elm, Ulmus 
Xantho- (Gr. pref.), yellow 
Xenia, direct influence of foreign 
pollen on the mother plant 
Xenogamy, pollination from an- 
other plant 
Xero- (Gr. pref.), dry-; -chastic, 
opening by drying; -hylium 
(Cl.), a dry forest formation ; 
-phile, -phytic, -phytes, 163, 
26, 103, 107, 150, 153, 175, 
181-9, I 9 I » r 9 2 > *94> Cactaceae 
Xylem, 33 
Yacca tree (W. I.), Podocarpus 
Yam, Dioscorea\ -bean, Pachyrhi- 
zus , Dolichos 
Yard grass (Am.), Eleusine 
Yarrow, Achillea 
Yate, Eucalyptus cornuta Labill. 
Yaupon (Am.), Ilex Cassine L. ; 
-grass (Am.), Eleusine 
Yautia, Xanthosoma 
Yaw-weed (W. I.), Morinda um- 
bellata L, 
Yellow archangel, Lamium ; -bark, 
Cinchona ; -berries, Rhamnus ; 
-bird’s nest, Monotropa ; -bugle, 
Ajuga ; -cedar, Chamaecyparis ; 
-cress, Barbarea\ -deal, Pinus ; 
-flag, Iris; -horned poppy, 
Glaucium ; -loose-strife, Ly si- 
mac hia\ - pimpernel, Lysimachia\ 
-pine, Pinus ; -puccoon, Hy- 
drastis ; -rattle, Rhmanthus ; 
-rocket, Barbarea', -seal, Hy- 
drastis ; -toad-flax, Linaria ; 
-water-lily, Nuphar ; -wood, 
Cladrastis ; -wort, Chlora 
Yerba buena, Micromeria; -mate, 
Ilex 
Yew, Taxus 
Ylang-ylang, Cananga 
Yorkshire-fog, Holcus 
Young fustic, Rhus 
Yuca, cassava 
Zedoary, Curcuma 
Zezegany (W. I.), sesame 
Zoidiogamy, fertilisation by sper- 
matozoids 
Zones of vegetation, 178, 180 
Zoophily, 99 
Zygom., zygomorphic, zygomor- 
phism, 31, 73, 74, 77, 82; di- 
agonal, right- and left-handed, 
transverse, 74, Anigozanthos , 
Helicteres , Saintpaulia , &c. 
Zygote, 54, 81, Pteridophyta 
CAMBRIDGE: PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS. 
