457] 



315 



References to the Flora are in brackets [ ] 



polygamutn 



purpurascens 46, 



Thaspium 



aureum 43, 



cordatum 



trifoliatutn 



barbinode 



cordatum 



trifoliatutn aureum 



ziziopsis 



Thelypodiutn 



pinnatijidum 



Thicket plants 



Thin grass 



Thistle 67, 69, 



bull 



field 



tall 



Thistle association 



Thistle family 



Thorn, Biltmore 



cock-spur 



small 



gray 



green 



pear-leaved 



prairie 



Washington 



Thorn-apple 



purple 



Thoroughwort 



autumn 



tall 



Three square 



Tickseed 27, 30, 32, 



garden 



small , 



stiff 



tall 



Tickseed association 



Tick trefoil 



hoary 



showy 



Tilia 



Americana 34, 45, 



TiLIACEAE . 



Timothy 67 



wild 



Timothy association 



Tiiiiaria 



Convolvulus 



scandens 



Tithymalopsis . . 



corollata 



Tithymalus 



Missouriensis 



Toad-fiax 



249 

 141 

 187 

 187 

 187 

 187 

 189 

 187 

 187 

 187 

 145 

 H5 

 49 

 92 



239 

 239 

 239 

 239 

 69 



2l8' 



153 

 151 

 250 

 1.52 



151 

 250. 

 152 

 151 

 205 

 205 

 223 

 223 

 223 



I02 



235 

 235 

 236 



235 

 235 



3 

 162 

 162 

 163 



175 



175 



175 



[91 



[91 

 6' 

 [129 

 [131 

 [131 

 [169 

 [169 

 [170 

 [170 

 [206 



bastard [128 



Tomato [205 



Toothwort [146 



Touch-me-not 35, [173 



pale "••[173 



spotted [173 



Touch-me-not association. . 3 



Tovara [129 



Virginianum ['31 



Toxylon [126 



pomiferiun [ 1 26 



Tracauloti [129 



sagittatum ['31 



Tradescantia 58, [ill 



brevicaulis [m 



pilosa 35, [hi 



reflexa 35, [in 



rosea [246 



Virginiana [m 



Virginica [in 



Jiexuosa [m 



villosa fin 



Tragopogon [240 



porrifolius [240 



Tree of heaven [167 



Trefoil [159 



Tricuspis [94 



seslerioides [94 



Tridens [94 



seslerioides [94 



Trifolium [iS9 



dubium [i59 



hybridum 67, [159 



incarnatum [iS9 



medium 67, [159 



pratense 67, [159 



procumbens [i59 



»"■»«-' [159 



reflexum [251 



repens 67, [159 



stoloniferum 62, [159 



Trillium 39, [116 



erectum [n6 



sessile 42, 47, [116 



Triodia [94 



cuprea. 52. 55; [94 



seslerioides [94 



Triosteum [215 



aurantiacum . [215 



perfoliatum 43, [215 



Triple-awned grass [90 



Tripsacum [85 



dactyloides [85 



Triticum [99 



sativum vulgare [99 



vulgare [99 



Trumpet creeper [210 



