524 
INDEX. 
Page. 
Tliysanocarpus pnsilhis, Tlook 31 
riidiaiia, Beutli 31 
Tillsea angustifolia, Nutt 101 
Timmia megapolitaua, licdw 408 
TiqidUa, Pers 247 
brevifoUa, Nutt 247, 248 
Titlioiiia, Desf. 423 
argophj'lla, D. C. Eaton 423 
Townsendia, Hook 145 
scapigera, D. C. Eaton 145 
etrigosa, Nutt 145 
Tradoscantia Virgiuica, L 359 
Tricardia, Torr 258 
Watson i, Torr 258 
Trifolium Andensoiui, Gray 00 
Audinuii), Nutt GO 
cyatliiferum, Lindl 02 
dasypliyllum, T. & G 60 
fimbriatum, Lindl 61 
gyinnocarpon, Nntt 62 
Kingii, S. Watson 59 
lougipes, Nutt 59 
microcephalnm, Pursh 01 
nan inn, Torr 59 
ohtitniflorum, Hook 61 
Parry i, (i ray 61 
su])caulesccns, Gray 59 
varicgatuni, Nutt 61 
Triglocbin uiaritiinnm, L 340 
palnstre, L 340 
Trisetum suUspicatuni, Bcanv 392 
Tritrh in <irauditlitm.TAnd\ 354 
Triticnni (rgilopoides, Tnrcz 390 
caninuni, L 390 
repens, L. 390 
atrigosiini, Steud 390 
Trollius laxus, 8alisl). , 10 
Troximon cu8[)i<laf utn, Pursh 204 
glaucum, Nutt 204 
parviflorum, Nutt 205 
roseum, Nutt 205 
Turritis glabra, L 17 
macrocarpa, Nutt 17 
patula, Grail 18 
retrofracia, Hook 18 
Typha latifolia, L 337 
Tvi'iiACK^E •^:{7 
Ulva merismopt'dtoidt's, Wodds 415 
UmUKIJJI 126 
Uniola ^fricta, Torr 335 
Urtica dioica, L 321 
gracilis, Alt 321 
Urticack.e 321 
Utricularia nunor, L 215 
vulgaris, L 214 
Vaccaria vulgaris, Host 36 
Vacciniuni ca>spitosum, Mx 209,425 
niyrtilloides, Mx 209 
ilyrtillus. L 209 
uliginosuni, L 209 
Page. 
Valeriana dioiea, L 136 
cdulis, Nutt 136 
sylvatica, Ricli 136 
Valf.uiaxack.e 136 
Vaseya, Tliurb 378 
coniiita, Tlnirb 378 
Veratrum all)uni, L 344 
CaUfoniicum, Dur 344 
EschxcltoJtzii, Gray 344 
LobeViauum, Banks 344 
viride, Ait 344 
Verbascuni Tbapsus, L 215 
Vtirbtma bracteosa, Mx 234 
bastata, L 234 
VK];r>KXACi:.i; _ 234 
Yorouica ali)i]in, L 227 
Aniericaua, Scbwein 227 
Anagallis, L 227 
poregrina, L 228 
serpyllifolia, L 228 
Vesicaria didijmocarpa, Hook 20 
montana, Gray 20 
Vicia Americana, Mnbl 78 
Vilfa airoides, Trin 375 
asperifolia, Nees & Mey 375 
cryptaudra, Torr 375 
cuspidata, Torr 376 
depauperata, Torr 376 
raninlosa, IIBK 376 
Villarsia pninila, Griseb 281 
Viola Beckwitbii, T. & G 35 
Canadensis, L 35 
caniua,L 34 
cueullata, Ait 34 
delphinifolia, Nutt. 35 
Nnttallii, Pursb 35,416 
palustris, L 34 
peduneulata, T. & G 35 
pro morm, Dougi 35 
VfOT,ACi:.i: 34 
Vi.Ncaria, DC., Eotli 430 
Webera albicans, Wabl 405 
crnda, Hclueb 405 
nutans, vSclircb 405 
Wcisia f'risj>nla, Hedw 398 
Wcldfuia. 8i-luilt. f. 349 
Woodsia Ori'gana, D. C. Eaton 397 
scoiiulina, D. C. Eaton 397 
Wyetbia, Nutt 166 
amplexioaalis, Nutt 166 
mollis, Gray 167 
Xantbiuui strumarium, L 166 
Yucca, L 355,496 
angnstifolia, Pursb 496 
brevlfolia, Eng 496 
baccata, Torr. 496 
/>/■(/(•(»/ iV, Torr 495 
parrijltira, Torr 497 
■sCr/c/n, Sims 496 
Wliipplei, Torr 49^ 
