Vou. ITI. 
Synandra 
hispidula 3.118 
Syndesmon 2 102 
(Anemonella) 
thalictroides 102 
Syngonanthus) 1 455 
flavidulus 455 
Synosma 537 
(Cacalia in pare 
suaveolens 538 
Syntheris 198 
Bullii 198 
Houghtoniana 198 
reniformis 198 
rubra 199 
Syntherisma I 121 
(Digitaria ; 
Panicum, in part) 
filiforme 
122 
fimbriatum 123 
humifusum 123 
Ischaemum 123 
linearis 123 
marginatum 123 
praecox 121, 3 
sanguinale 123 
serotinum 122 
villosum 122 
Syringa 2724 
vulgaris 724 
Tabernaemontana 
Amsonia 3 26 
Taenidea 2 640 
integerrima 640 
Tagetes 
papposa 3 513 
alinum 2 35 
calycinum 37 
parviflorum 36 
Trugospermum 36 
teretifolium 36 
Tanacetum 3 521 
huronense 322 
vulgare 521-2 
“ crispum 522 
Taraxacum 3 315 
seeLeontodon 315 
Dens-leonis 315 
erythrospermum 316 
latilobum 315 
officinale 315 
Taraxacum 315 
“alpinum 315 
TAXACEAE I 67 
Taxodium I 63 
ascendens 64 
distichum 64 
imbricarium 64 
axus I 67 
baccata 67 
brevifolia 67 
canadensis 67 
minor 67 
Tecoma 3 237 
radicans 237 
stans 237 
Tephrosia 
seeCracca 2 372-3 
Tetragonanthus 3 15 
(Halenia) 
deflexus 15 
Tetragonia 
expansa 2 34 
Tetragonotheca 3 468 
helianthoides 468 
Tetraneuris 3 508 
acaulis 509 
fastigiata 509 
herbacea 509 
linearifolia 508 
scaposa 509 
Tetraneuris 
simplex 3 509 
stenophyllus 509 
Tetranthera 
geniculata @ 235 
Teucrium 3 101 
boreale 103 
botrys 104 
canadense 102 
fruticans IOI 
laciniatum 103 
littorale 102 
occidentale 103 
Scorodonia 103 
virginicum 102 
Thalesia 2 233 
(Aphyllon) 
fasciculata 234 
“ lutea 234 
uniflora 233 
Thalia I 546 
dealbata 546 
geniculata 546 
Thalictrum 2 118 
alpinum 118 
anemonoides 102 
campestre 120 
caulophylloides 119 
clavatum 118 
confine 120 
coriaceum 119 
Cornuti 121 
dasycarpum 120 
dioicum 120 
“ coriaceum 119 
foetidum 118 
occidentale 120 
polygamum 121 
purpurascens 120 
“ ceriferum 119 
revolutum 119 
venulosum 120 
Thapsia 
trifoliata 2 639 
Thaspium 2 639 
aie eruvpieelin 639 
aureum 639 
“ apertum 641 
barbinode 640 
“angustifolium 640 
pinnatifidum 640 
trifoliatum 639 
“apterum 642 
Walteri 640 
THEACEAE 2 526 
Thelesperma 3 500 
ambiguum 501 
filifolium 500 
gracile 501 
intermedium 501 
trifidum 500 
Thelypodium 2 169 
integrifolium 169 
pinnatifidum 178 
Thermia 
rhombifolia 2 344 
Thermopsis 2 343 
lanceolata 343 
mollis 343 
rhombifolia 344 
Therofon 2 223 
(Boykinia) 
aconitifolium 223 
napelloides 223 
Thesium 
umbellatum I 640 
Thlaspi 2 167 
arvense 167-8 
bursa-pastoris 158 
campestre 164 
perfoliatum 168 
Thuja I 64 
Thuja 
occidentalis 
THYMELEACEAE 
Thymophylla 
aurea 
setifolia 
Thymus 
Acinos 
Serpyllum 
vulgaris 
Tiarella 
biternata 
cordifolia 
Tiedemannia 
filiformis 
rigida 
teretifolia 
TILIACEAE 
Tilia 
alba 
americana 
canadensis 
europaea 
glabra 
heterophylla 
leptophylla 
Michauxii 
pubescens 
Tillaea 
aquatica 
simplex 
Tillaeastrum 
aquaticum 
Vaillantii 
Tillandsia 
usneoides 
Tiniaria 
cilinodis 
Convolvulus 
cristata 
dumetorum 
scandens 
Tipularia 
discolor 
unifolia 
Tissa 
(Spergularia) 
canadensis 
marina 
rubra 
salina . 
Tithymalopsis 
arundelana 
corollata 
Ipecacuanhae 
marylandica 
Tithymalus 
arkansanus 
commutatus 
Cyparissias 
Darlingtonii 
Esula 
falcatus 
Helioscopia 
Lathyrus 
lucidus 
missouriensis 
obtusatus 
Peplus 
platyphyllus 
robustus 
Tofieldia 
glutinosa 
palustris 
racemosa 
Tordylium 
Anthriscus 
nodosum 
Torilis 
Anthriscus 
nodosa 
GENERAL INDEX OF LATIN GENERA AND SPECIES. 
I 65 
2574 
3 513 
514 
513 
3 141 
139 
141 
141 
2 224 
215 
224 
2 638 
637 
638 
597 
Tomentilla 
reptans 2 250 
Torreya 
grandiflora 3 118 
Touterea 2 567 
stricta 567 
Tovara I 664 
virginiana 665 
Townsendia 3 402 
exscapa 403 
grandiflora 402 
intermedia 403 
sericea 02-3 
Toxicodendron 2 483 
crenatum 482 
pinnatum 483 
pubescens 484 
radicans 484 
Rydbergii 484 
Toxicodendron 484 
vernix 483 
vulgare 484 
Toxicoscordion 1 491 
gramineum 492 
Nuttallii 492 
Toxylon I 631 
(Maclura) 
pomiferum 632 
Tracaulon I 672 
arifolium 673 
sagittatum 673 
Trachelospermum 3 23 
(Echistes in part) 
difforme oy 
jasminoides 23 
Trachynotia 1 223 
cynosuroides wa4 
polystachya 223 
Tradescantia I 460 
bracteata 460 
brevicaulis 460 
“villosa 460 
flexuosa 462 
montana 462 
occidentalis 461 
pilosa 462 
Teflexa 461 
rosea 459 
virginiana 460-1 
Tragia 2 458 
cordata 460 
innocua 455 
macrocarpa 460 
nepetaefolia 459 
ramosa 459 
stylaris 459 
urens 459 
urticaefolia 459 
volubilis 458 
Tragopogon 3 313 
Dandelion 308 
porrifolius 313 
pratensis 313 
virginicum oc 
Tragus 121 
TRAPACEAE 5: 611 
Trapa 611 
natans 7 612 
Trautvetteria 2 103 
applanata 103 
carolinensis 103 
palmata 103 
Triadenum 2 537 
longifolium 537 
petiolatum 537 
virginicum 537 
r 486 
glutinosa 486 
racemosa 487 
Tribulus 2 442 
terrestris 442 
Trichelostylis I 322 
