INDEX 



Buttercup 99 



Cress, Yellow 130 



Dogwood 179 



Holly... 186 



Loosestrife 205 



Marigold 372 



Milkweed 245 



Rose 156 



Mallow 196 



Saxifrage 139 



Sunflower 375 



Sweet Betty 88 



Cicely, Hairy 218 



Smooth -.218 



Clover, White 163 



Yellow 163 



Coneflower 363 



Flag 43 



Gum 144 



Meadow 146 



Pea, Wild 168 



Scabious 355 



Viburnum 323 



White Violet 202 



William, Wild 253 



Sweet-scented Water 



Lily 92 



Symphoricarpos orbi- 



culatus 322 



Symplocarpus foetidus 



42 



Talinum, Prairie 90 



rugospermum 90 



Small-flowered 90 



teretifolium 90 



Tall Anemone 104 



Bellflower 329 



Blue Lettuce 390 



Coneflower 365 



Crowfoot 98 



Goldenrod 348 



Green Orchis 69 



Meadow Rue 100 



Potentilla 152 



Rattlesnake Root. .391 



Thistle 384 



Thoroughwort 339 



Tickseed 371 



Wormwood 379 



Tansy, False 379 



Taraxacum erythrosper- 



mum 387 



officinale 387 



Tarrify 129 



Tarweed 345 



Tea, New Jersey 192 



Teasel Family 325 



Wild 325 



Tecoma radicans 314 



Tephrosia virginiana. 168 

 Teucrium canadense. .273 



occidentale 273 



Thalictrum dioicum.. . 100 



polygamum 100 



revolutum 100 



Thimbleberry 154 



Thimbleweed 104 



Silky 104 



Thin-leaved Coneflower 



363 



Thistle. Bull 383 



Canada 384 



Common 383 



Sow 388 



Milk 389 



Pasture 383 



Spiny-leaved Sow . . 388 



Tall 384 



Thiaspi arvense 125 



Thorn, Cockspur 149 



Thoroughwort, Late- 

 blooming 338 



Tall 339 



Three-leaved False 



Solomon's Seal. 58 

 Three-seeded Mercury. 181 

 Thyme-leaved Speed- 

 well 309 



Tick Trefoil, Few- 

 flowered 170 



Hoary-leaved. ... 170 



Illinois 171 



Naked- flowered. .171 

 Pointed-leaved. . . 170 



Showy 171 



Ticks, Beggar 372 



Tickseed 372 



Prairie 371 



Stiff 371 



Sunflower 372 



Southern 372 



Western 372 



Tall 371 



Tinker's Weed 322 



Toadflax, Bastard. ... 75 



Blue 302 



Yellow..... 301 



Tobacco, Indian 332 



Ladies' 356 



Tofieldia glutinosa ... 49 



Toothache Tree 178 



Toothwort 133 



Top. Flat 336 



White 355 



Touch-me-not Family 



191 



Spotted 191 



Trachelospermum 



difforme 239 



Tradescantia brevicaulis 



44 



virginiana _. 44 



Tragopogon porrifolius 



.385 



Trailing Loosestrife. .231 



Wild Bean 1 74 



Treacle Mustard 129 



Tree, Empress 306 



Hop 179 



Smoke 184 



Staff 188 



Toothache 178 



Trefoil, Few-flowered . 1 70 

 Hoary-leaved Tick . 1 70 



Illinois Tick . 171 



Naked- flowered Tick 



171 



Pointed-leaved Tick 



170 



Showy Tick 171 



Shrubby 179 



Trillium cemuum .... 61 



declinatum 61 



Drooping 61 



Dwarf White 61 



grandiflorum 60 



Large- flowered 60 



nivale 61 



Nodding 61 



Purple 60 



recun,'atuni 60 



sessile 60 



Sessile-leaved 60 



Snow 61 



Triosteum aurantiacum 



322 



perfoliatum 322 



True Water Cress ... 1 30 

 Trumpet Creeper. . . .314 



Flower 314 



Tuberous Indian 



Plantain 380 



Tumble Mustard 128 



Turk's-cap Lily 54 



Turnip, Indian 40 



Turtlehead 306 



Red 306 



Twig, Fever 188 



Twinleaf 116 



Typha angustif olia ... 35 



latifolia 35 



TYPHACEAE 35 



U 



UMBELLIFERAE. .214 



Umbrella wort. Heart- 

 leaved 81 



Narrow-leaved 81 



Upland Boneset 339 



Upright Bindweed.. . .250 



URTICACEAE 74 



Uvularia grandiflora. . 50 



perfoliata 50 



V 



Vaccinium pennsyl- 



vanicum 229 



vacillans 229 



Valerian, Greek 254 



Velvet Leaf 193 



Venus' Looking Glass. 328 

 Verbascum Blattaria . 300 



Thapsus 300 



Verbena angustif olia . 268 



bipinnatifida 270 



Bracted 270 



bracteosa 270 



canadensis 268 



hastata 269 



Showy 268 



Small-flowered 270 



stricta 269 



urticaefolia 267 



VERBENACEAE. . . . . 267 

 Verbesimi helianthoides 



370 



virginica 370 



Vernonia fasciculata. .336 

 illinoensis 336 



404 



