504 



INDEX. 



Vaseyi, 138. 



Wrightii, 177. 

 Theobroma, 339. 

 Thespesia, 297, 337. 



populuea, 337. 

 Thlaspi, 101, 123. 



alpestre, 123. 



arveuse, 123. 



Bursu-pasturis, 131. 



Califoruicum, 124. 



coclile.urijbnue, 124. 



Fendleri, 124. 



montanu))), 124. 



tuberosum, 156. 



Virginianum, 127. 

 Thryallis anqustljhlia, 3.51. 

 T/iurberia, 33 S. 



thcspesioides, 338. 

 Tli3'me-leaved Saudwort, 239. 

 Thysauocarpus, 100, 113,468. 

 Tliijsunocarpus, 112. 



conchuliferus, 113. 



crenatus, 114. 



curvipes, 113. 



curvipes, 114. 



elecjans, 114. 



laciniatus, 114, 468. 



oblouf/ifolius, 113. 



pulchellus, 114. 



pusillus, 113. 



radians, 114. 



ramosus, 114. 

 Tilia, 342, 343. 



arta, 344. 



Americana, 343. 



Americana, 343, 344. 



argentea, 344. 



Canadensis, 343. 



Caroliniana, 343. 



Enropsea, 343. 



glabra, 343. 



grandifoJia, 343. 



heterophvlla, 344. 



Za.r//?or((,'343, 344. 



nigra, 343. 



rofundifnUii, 344. 



parrifolia, 343. 



piibescens, 343. 



pubescetis, 343. 

 TILIACE^, 342. 

 r/ssa, 250. 



Canadensis, 252. 



Clevelandi, 251. 



diandra, 251. 



gracilis, 251. 



leucantha, 253. 



macrotheca, 253. 



marina, 252. 



pallida, 253. 



7-!/6ra, 250, 251. 



salina, 252. 



sparsiflora, 252. 



tenuis, 251. 



?;'7/«Wa, 253. 



villosa, 251. 

 Titi, 393. 

 Tobinia, 375. 



Toothache-tree, 373, 374. 

 Tootiiwurt, 153. 

 Torch-wood, 375. 

 Touch-me-not, 369. 

 Tower Mustard, 160. 

 Toxicodendron, 381, 382. 



crenatum, 383. 



pubescens, 383. 



serratum, 383. 



volubilis, 383. 



vulgare, 383. 

 Trautvetteria, 1, 18. 



Caroliniensis, 18. 



grandis, 18. 



palmata, 18. 



pulmata, 18. 

 Treacle Mustard, 142. 

 Tree of Heaveu, 378. 

 Triadenum, 284. 

 Trianthema, 256, 259. 



monogyna, 259. 



Portuiacastrum, 259. 

 Tribulus, 353. 



brachjstylis, 354. 



Californicus, 354. 



cistoides, 354. 



Fischeri, 355. 



grandiflorus, 355. 



maximus, 354. 



terrestris, 354. 



terrestris, 354. 



trijugatus, 354. 

 Tricerma, 398. 



crassi/ollum, 398. 

 TricJwcarpm, 383. 

 Triclisperma grandijlora, 453. 

 Trilicina, 68. 

 Trionum, 336. 

 Triumfetta, 342. 



semitriloba, 342. 

 Trollius, 2, 40. 



Americanus, 40. 



Europaus, 40. 



laxus, 40. 

 Tropaeolum, 357, 363. 



majus, 363. 

 Tropidocarpum, 103, 141, 469. 



capparideum, 141. 



dubium, 141. 



gracile, 141. 



scabriusculum, 141. 

 Trumpet-leaf, 81. 

 Trumpets, 79, 81. 

 Tri/pJiane, 238. 

 Tulipastntm Americanum, 61. 

 Tulipifera, 61. 

 Tulip-tree, 61. 

 Tunica, 209, 212. 



prolifera, 212. 



saxifraga, 212. 

 Turkey Grape, 428. 

 Turnip, 133. 

 Turplnia glabra, 386. 



pubescens, 386. 

 Turrilis, 159, 163. 



brachi/carpa, 163. 



diffusa, 175. 



(7/aira, 160, 163. 

 la'cigala, 162. 

 lasiopiiijlla. 111. 

 macrocarpa, 160. 

 mollis, 160. 

 ovata, 163. 

 patula, 164, 165. 

 retrofructa, 1 64. 

 salsuginea, 1 75. 

 spathulata, 163. 

 stricta, 163, 166. 

 Twin-Leaf, 71. 



Umbrella-tree, 60. 

 Ungnadia, 434, 445. 



heptaphijlla, 446. 



heterophijUa, 446. 



speciosa, 445. 

 Upland Cotton, 338. 

 Urena, 297, 331. 

 f7re«a, 331. 



lobata, 331. 

 Urene^, 296. 

 Urvillea, 433, 441. 



Berteriana , 442. 



Mexicana, 442. 



tripliylla, 442. 



ulmacea, 442. 

 Uvaria oboiata, 63, 464. 



parvijiora, 63. 



pygmcca, 64. 



triloba, 63. 

 Uvarice, 63. 



Vaccaria, 213. 



vulgaris, 213. 

 Vaccinium mucronatum, 391. 

 Valley Grape, 426. 

 Vaucouveria, 67, 71.* 



aurea, 71. 



chrysantha, 71. 



hexandra, 71. 



hexandra, 71. 



parviflora, 71. 



planipetala, 71. 

 Varnish-trees, 383. 

 Veatchia Cedroseusis, 381. 



discolor, 381. 

 Veluriim, 137. 

 Velezia, 209, 210. 



latifolia, 207. 



rigida, 211. 

 Velvet-leaf, 327. 

 Vesicaria, 116, 121. 



alpina, 117. 



angustifolia, 119, 120. 



arctica, 118, 120. 



arenosa, 118. 



arr///rea, 120. 



auriculata, 116. 



Berlandieri, 118. 



brevistijla, 116. 



densijiora, 117. 



didgmocarpa, 121. 



Enrjelmamri, 120. 



Fendleri, 120. 



Ge^er^ 121. 



