1230 



Index 



PAGE 



tall 1002 



Virginia 1002 



yellow 1103 



yellow star 1104 



Thlaspi 488 



arvense 489 



perfoliatum 489 



Thorn 533 



cockspur 537 



Washington 551 



Three-awn grass 138 



prairie 140 



Thuja 69 



occidentalis 69 



Thyme 820, 1086 



Thymelaeaceae 694 



Thymus 820 



Serpyllum 1086 



Tiarella 516 



cordifolia 1055 



Tickclover 603 



Canada 608 



Dillenius 608 



few-flower 606 



hairy small-leaf 609 



hoary 607 



Illinois 607 



large-bract 607 



naked-flower 606 



panicled 608 



pointed-leaf 606 



prostrate 605 



rigid 609 



sessile-leaf 605 



smooth 608 



smooth small-leaf 609 



velvet-leaf 609 



Tickle grass 129 



northern 128 



Tilia 665 



americana 665 



europea 1073 



glabra 665 



heterophylla 666 



Tiliaceae 665 



Timothy 130 



Tiniaria Convolvulus 417 



dumetorum 417 



scandens 418 



Tipton Till Plain 16 



Tipularia 350 



discolor 350 



unifolia 350 



Tissa rubra 1045 



Tithymalopsis corollata 644 



Ipecacuanhae 1070 



PAGE 



Tithymalus commutatus 646 



Cyparissias 636 



Esula 645 



obtusatus 645 



Peplus 646 



Toadflax 835 



bastard 1041 



common 835 



Richards bastard 402 



Tofieldia 304 



glutinosa 304 



Tomanthera 853 



auriculata 853 



Tomatillo 1087 



Toothwort 500 



cut 500 



slender 501 



Torilis 720 



Anthriscus . 720 



japonicus 720 



Torre and Harms 14, 93 



Touch-me-not, pale 659 



spotted 659 



Tovara virginiana 416 



Toxicodendron radicans 650 



Vernix 649 



Toxylon pomiferum 395 



Tracaulon ari folium 417 



sagittatum 417 



Trachelospermum 761 



difforme 761 



Tradescantia 285 



bracteata 1032 



brevicaulis 1033 



canaliculata 286 



canal icu I ;il a f. a I hi flora 286 



canaliculata f. Lesteri 286 



canaliculata f. Mariae 286 



pilosa 286 



reflexa 286 



reflexa f . albiflora 286 



reflexa f. Lesteri 286 



reflexa f . Mariae 286 



subaspera 286 



virginiana 287 



Tragia 641 



cordata 641 



macrocarpa 641 



Trailing-arbutus 739 



Tragopogon 1006 



porrifolius 1006 



pratensis 1006 



Trautvetteria 465 



carolinensis 465 



Tribulus 631 



terrestris 1069 



