No. 14.] 



FLOWERING PLANTS AND FERNS. 



Terrell Grass 80 

 Tetragonia 173 



expansa 173, 433 

 Tetter-wort 196 

 Teucrium 332 



canadense 332 

 var. littorale 332 



littorale 332 

 Thale Cress 206 

 Thalesia 



unMora 359 

 Thalictrum 188 



clarvatum 426 



dioicum 188 



polygamum 188 



purpurascens 188 



revolututn 188 

 Thaspium 



aureum 427 



barhinode 427 



trifoliatum 427 

 Thatch Grass 68 

 Thelypodium 



pinnatiUdum 208 

 Thicket Bindweed 163 



Buckwheat 163 

 Thimbleberry 237 

 Thimbleweed 190, 393 

 Thin Grass 64 

 Thistle 



Bull 405, 406 



Canada 406 



Common 405 

 " Sow 411 



Cotton 407 



Curled 405 



Field 405 

 " Sow 411 



Flowering 197 



Pasture 406 



Plumed 405 



Plumeless 405 



Russian 169 



Scotch 407 



Sow 411 



Spiny-leaved Sow 411 



Star 407 



Thistle 



Swamp 406 



Tall 406 



Yellow 197, 405 

 Thlaspi 200 



arvense 200 

 Thorn 



Cockspur 22s 



Hedge 225 



Newcastle 225 



White 22s 

 Thorn Apple 347 

 Thornless Rose 242 

 Thorny Amaranth 170 

 Thoroughwort 375, 376 

 Thread-and-Needle 121 

 Thread-foot 213 



Three-leaved Solomon's Seal 123 

 Three-seeded Mercury 265 

 Three-square Rush 86 

 Three-toothed Cinque foil 233 



Five-finger 233 

 Throw-wort 336 

 Thuja 37 



occidentalis 27 

 Thyme 341 



Creeping 341 



Wild 341 

 Thymelaeaceae 289, 438 

 Thyme-leaved Sandwort 175 



Speedwell 354 

 Thymus 341 



Serpyllum 341 

 Tiarella 215 



cordifolia 215 

 Tick Trefoil 252 

 Tickle Grass 51 

 Tickseed 395 

 Tickseed Sunilower 397 

 Tiger Lily 120 

 Tilia 277 



americana 277 



Michauxii 277 



pubescens 277 



vulgaris 277 

 Tiliaceae 277, 438, 440 

 Tillaea 214 



