568 



INDEX. 



Page. 



Thalictrutn 'polygamum, i. 24 



pubescens 24 



revoluium 24 



rugosum 24 



Thapsia tiifoliala i. 273 



Thaspium i. 272 



atropurpnreum, 272 



aureutn 273 



aureum 271 



barbinode 273 



cordatum 270, 272 



Thesium corymbulosum,\\. 161 



umbellaium 160 



Thimbleberry i. 215 



Thimbleweed i. 8 



Thin grass ii. 442 



Thlaspi.. i. 64 



arvense 64 



Bursa-pastoris. 65 



campeslre 64 



Thlaspide>e .- i. 64 



Thorn-apple ii. 101 



Thorn-tree - i. 220 



Thorough wort ... i. 266, 329 

 Three-awned Grass . . ii. 434 

 Three-leaved Nightshade, 



ii. 295 

 Three-seeded Mercury, ii. 173 



Thuya ii. 233 



occidentalis 234 



sphceroidalis . . 233 

 THYMELACE^ .. ii. 1G3 

 Thymus Virginicus . . ii. 64 



TiAUELLA i. 258 



cordifolia 258 



Tickseed Sunflower . . i. 385 



TiLiA i. 116 



Americana 116 



Canadensis 116 



glabra 116 



TILIACEiE i. 116 



TiLLvEA i.25l 



ascendeiis 251 



simplex 251 



Timothy ii. 418 



Pngo. 



TiPULAniA ii. 272 



discolor 272 



discolor 268 



Toad-flax ii. 31 



Tobacco - ii. 100 



Tobacco-pipe.. i. 456 



Toothwort i. 58 



Touch-me-not i. 125 



Tower Mustard i. 53 



Trachylomia triglomerata, 



ii. 368 

 Trachynotia cynosuroides, 



ii. 448 



jiincea 448 



polyslachya 448 



Tradescantia ii. 332 



Virginica 333 



Trailing Arbutus i. 432 



Treacle Mustard i. 60 



Trichelostylis ii.361 



autumnalis 362 



geminijlora 362 



mucronulata .. 361 

 Trichodium laxijlorum, ii.442 



monlanum 442 



scabrum 442 



strictum 442 



Trichophorum alpinum, ii. 357 



cypetinum 856 



Hiulsonianum . 357 



linealum 356 



Trichosperma i. 152 



Trichostema :i. 81 



brachiala 55 



dichotoma 81 



Tricuspis.- ii. 462 



Noveboracensis, 463 



seslcrioides 463 



Tridens quinquefida . . ii. 463 



Trientalis ii. 11 



Americana 11 



Europaa 11 



Trifolium i. 167 



agrarium 170 



hijlorwm 175 



Trifolium o^ci?ia/e i 170 



Pennsylvanicum, 169 



pratense 168 



reflexum 169 



repens 169 



Triglociiin ii. 261 



elatum 262 



maritimum 261 



palusire 261 



Trillium ii. 295 



atropurpureum, 296 



cernuum 295 



erectum 296 



erythrocarpum. 295 



fcetidum ... 296 



grand i florum . . 296 



pendulum 295 



pictuvi 295 



rhomboideum . . 296 



undulalum 295 



Triodia cuprca ii. 463 



pallida 461 



Triphora pendula ii. 281 



Triosteospermuni. i. 302 



Teiosteum i. 301 



mnjus 302 



perfoliatum 301 



Tripolium flexuosum. . i. 350 



subulalum 350 



Trisetum ii. 452 



molle 452 



paluslris 452 



Pennsylvanicuvi, 452 

 purpurasccns. - 453 



subspir.ahim 452 



Triticum ii.474 



caninum 475 



repens 474 



Trollius i. 18 



Americana 18 



laxus 18 



Troximon Virginicum, i. 410 

 Trumpet Honeysuckle, i. 296 

 Trumpet-flower Tribe, ii. 25 

 Tucker mauida Conradi, ii. 5 19 



