568 



INDEX. 



Page. 



Thalictrum polygamum, i. 24 



pubescens 24 



revolutum 24 



rugosum 24 



Thapsia trifoliala — i. 273 



Thaspibm i. 272 



atropurpnreum, 272 



aureum 273 



aureum 271 



barbinode 273 



cordatum . . . 270, 272 

 Thesium corymbulosum, ii. 161 



umbellatum 160 



Thimbleberry i. 215 



Thimbleweed i. 8 



Thin grass ii. 442 



Thlaspi i. 64 



arvense 64 



Bursa-pastoris. 65 



campestre 64 



Thlaspide^ - i. 64 



Thorn-apple ii. 101 



Thora-tree 1.220 



Thoroughwort ... i. 266, 329 

 Three-awned Grass . . ii. 434 

 Thiee-leaved Nightshade, 



ii. 295 

 Three-seeded Mercury, ii. 173 



Thuya - ii- 233 



occidentalis 234 



spharoidalis . . 233 

 THYiMELACEjE .. ii. 163 

 Thymus Yirginicus . . ii. 64 



TiAEELLA i.258 



cordifolia 258 



Tickseed Sunflower . . i. 385 



TiLiA i. 116 



Americana 116 



Canadensis 116 



glabra 116 



TILIACEjE i. 116 



TiLL^iA i.251 



ascendens 251 



simplex 251 



Timothy ii. 418 



Pago. 



TiPULARiA ii.272 



discolor 272 



discolar 2G8 



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 

 Trachynolia cynosuroides, 



ii. 448 



juncea 448 



polyslachya 448 



Tradescantia ii. 332 



Virginica 333 



Trailing Arbutus i. 432 



Treacle Mustard i. 60 



Trichelostylis ii.361 



autumnalis 362 



geminiflora — 362 



mucronulata .. 361 



Trichodium laxijlorum, ii. 442 



montanum 442 



scabrum 442 



strictum 442 



Trichophorum alpinum, ii. 357 



cyperinum 856 



Hudsonianum . 357 



lineatum 356 



Trichosperma i. 152 



Trichostema ii. 81 



brachiata 55 



dichotoma 81 



Tricuspis ii. 452 



Noveboracensis, 463 



seslerioides 463 



Tridens quinquefida.. ii. 463 



Trientalis ii. 11 



Americana. 11 



EurepcM, 11 



Trifolium i. 167 



agrarium 170 



bijiorum 175 



Ph. 



Trifolium o^ctTiaZe i 170 



Pennsylvanicum, 169 



pratense 168 



reflexum 169 



repens 169 



Triglochin ii. 261 



elatum 262 



maritimum. 26 1 



palustre 261 



Trillium il. 295 



atropurpureum, 296 



cernuum 295 



erectum 296 



erythrocarpum. 295 



fcetidum 296 



grandiflorum . . 296 



pendulum 295 



pictum 295 



rhomboideum . . 296 



undulatum 295 



Triodia cuprea ii. 463 



pallida 461 



Triphora pendula ii. 281 



Triosteospermum i. 302 



Teiosteum i. 301 



mnjus ... 302 



perfoliatum 301 



Tripoliuvi flexuosum. . i. 350 



suhdalum 350 



Trisetum ii. 452 



molle 452 



palustris 452 



Pennsylvanicum, 452 

 purpurascens- . 453 



subspicatum 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 

 Tkckermannia Conradi, ii. 519 



