INDEX 



[456 



References to the Flora are in brackets f 1 



robustus 



Tium 



alpinum 25, 34, 35, 



Drummondii 18, 



Toad-flax 



bastard 



Canada 



Tobacco ^ 



night-blooming 



Tomato 



common 



Tonestus 



pygmaeus 42, 



Touterea decapetala 



multiflora 



nuda 



sinuata 



speciosa 



Townsendia.., 



exscapa. 



16, 



grandiflora 19, 



Townsendia, large-flowered . . . 



165 

 156 

 156 

 156 

 211 

 103 

 211 

 210 

 210 

 210 

 210 

 230 

 230 

 174 

 173 

 173 

 173 

 173 

 232 

 233 

 232 

 233 

 232 



silky 233 



Toxicodendron 167 



Rydbergii 20, 167 



Toxicoscordion 88 



falcatum 25, 81 



gramineum 81 



Tradescantia 87 



occidentalis : 87 



scopulorum 87 



Universitatis 18, 87 



Tragia 164 



ramosa 164 



Tragopogpn 255 



porrifolius 45, 255 



porrifolius X pratensis 255 



pratensis 45, 255 



Treacle mustard 130 



Tridophyllum 141 



lateriflorum 142 



leucocarpum 142 



Monspeliense 45, 142 



paradoxum 141 



Trifolium 154 



dasyphyllum 42, 154 



hybridum 44, 154 



lividum 42, 154 



pratense 44, 154 



repens 44, 154 



Triple-awned grass 60 



Trisetum 65 



majus 39, 65 



montanum 33, 65 



spicatum 65 



subspicatum 31, 32, 41 



majus 



molle 



Triticum 



sativum vulgare 



vulgar e 46, 



Trollius 



albiflorus 37,39, 



laxus albiflorus 



Troximon cuspidatum 



glaucum 



parviflorum 



Troximon, cuspidate 



Tumble weed . . 



65| 

 65 



77 



77 



77 

 118 

 118 

 118 

 157 

 258 

 258 

 257 

 112 



Tundra, wet alpine.. . 37, 38, 39, 40 



TUNDRALES 38 



Turkey-foot grass 13, 57 



Twayblade 27, 96 



kidney-leaved 96 



northern 96 



Twin-flower [221 



American [221 



Twisted-stalk 27, 



clasping-leaved 



Typha 



latifolia 10, 



TYPHACEAE. . 



Uliginose society 10 



ULMACEAE. 



Ulmus 



Americana 



UMBELLALES 



Umbrella-wort 



diffuse , 



hairy 



heart-leaved 



lance-leaved 



narrow-leaved 



UMBRELLA-WORT FAMILY 



Upper Sonoran vegetation. . . . 

 Upper Transition vegetation. . . 

 Urtica 



gracilis 12, 



URTICACEAE 



URTICALES 



Urticularia 



vulgaris 



Uva-ursi procumbens 



Vaccaria 



Vaccaria 45, 



vulgaris 



Vaccinium 



caespitosum 



erythrococcum 



Myrtillus microphyllum 



oreophilum 



scoparium 42, 



117 

 117 

 117 



187 

 187 

 187 

 187 

 187 

 187 



