622 



fNDEX. 



Thistle .-,04 



Bull 504 j 



Thistle-sage 459 



Thistle Tribe . . . . 484, 502 



Thorn-apple 391 



Purple 392 J 



Three Square . 87 



Thrift 377 



Thrift Family . * 377 



Thymelaeaceae 259 



Thysanocarpus 225 



curvipes 225 



elegans 225 



emarginatus 225 



radians 225 



var. montanus 226 



Tiarella 270 



unifoliata 270 



Tickle-grass 51 



Tidy Tips 537 



Tillaea 264 



Bolanderi 265 



Drummondii 265 



var. Bolanderi . ... 265 



minima 265 



Timothy 89 



Mountain 40 



Tiniaria 159 



Tissa 169 



Clevelandi 170 



leucantha 170 



macrotheca 169 



var. leucantha . ... 170 



var. scariosa ...... 170 



pallida 1 70 



rubra var. perennans . . 170 



salina. 170 



var. involucrata ... 170 



var. tenuis 170 



tenuis 170 



Toad Flax 397 



Tobacco 390 



Tree 391 



Wild . 405 



Tocalote 502 



Tolguacha 892 



Tonplla 100 



collinsioides 400 



tenella 400 



Tooth wort 221 



Torosa 207 



Torreya 17 



Tower Mustard 219 



Toyon 287 



Tragopogon 492 



porrifolius. 492 



Tree Poppy 206 



Trichocoronis 570 



Wrightii 571 



Trichostema 453 



lanatum 454 



lanceolatum 453 



laxum 453 



oblongum 454 



Trientalis 375 



Europaea var. latifolia 375 



Trifolium 304 



agrarium 306 



albopurpureum 306 



amcenum 306 



amplectens 311 



var. hydro philum . . .311 



appendiculatum 309 



appendicidatum 309 



barbigerum 310 



bifidum 307 



var. decipiens 307 



ciliolatum 307 



columbinum 306 



var. argillorum .... 307 

 var. olivaceum .... 307 



depauperatum 311 



var. angustatum . . . .311 

 var. laciniatum . . . .311 



dichotornum 306 



var. turbinatuni ... 306 

 ffavuium .... . . 310 



Franciscanum 311 



fucatum 310 



var. flavulum 310 



var. Gambellii .... 311 



var. virescens 311 



Gambellii ■ .311 



gracilentum 307 



Grayi 310 



hydrophilum 311 



laciniatum 311 



Macraei 305 



