204 
GENERA. 
Page 
Tr£pa, water caltrops 58 
Tremella, star-jelly 175 
Trewia 103 
Trianthema, horse purs- 
lain 90 
Trlbulus, caltrops 89 
Trichilia, suntul 89 
Trichom&nes, Tunbridge 
maidenhair 171 
Trichos&nthes, serpent 
cucumber 158 
Trichostema 110 
Trichbstomum 173 
Tridax, trailing starwort 142 
Trientaiis, winter green 
with chickweedflow¬ 
ers 82 
Trifolium, trefoil 131 
Triglochin, arrow-headed 
grass 81 
Trigonella, fenugreek 132 
Tfig6nis 84 
Trigu6ra 119 
Trilix 100 
Trillium, three-leaved 
nightshade 81 
Trilocarpus 104 
Triopteris 91 
Thosieom, fever root 66 
Tripl&ris 54 
Trlpsacum 153 
Triticum, wheat 53 
Triumfetta 94 
Troilius, globe ranunculus 105 
Trophisi l6l 
Tropae'olum, nasturtion 84 
Tulbagia 78 
Tulipa, tulip 79 
Page 
Turnera, nettle-leaved cis- 
tus 74 
Turrae'a 89 
Turritis, tower mustard 116 
Tussilago, coifs foot 142 
Ty'pha, cafs tail , or reed 
mace 158 
u 
Clex, furze, whins, gorse 130 
U'lmus, elm tree 70. 
U'lva 175 
Unc&ria 63 
Uniola, seaside oats of 
Carolina 52 
Unona 106 
U'nxia 142 
Urena, Indian mallow 123 
Urtlca, nettle 154 
Utricularia, bladder-wort 47 
Uvaria, grape-wort 106 
Uvularia 80 
v 
Vaccinium, cranberries 83 
Vahlia* 70 
Val&ntia, crosswort 166 
Yalendnia 84 
Valeriana, valerian 50 
Vallea 101 
Vallisneria 160 
Vandellia 111 
Varronia 64 
Vateria 102 
V&tica 94 
Valezia 70 
Vella, Spanish cress 117 
Veratrum, white hellebore 166 
* Fahli(i ~-see russelia ♦ 
