504 



INDEX. 



Vaseyi, 138. 



Wrightii, 177. 

 Theubruma, 339. 

 Thespesia, 297, 337. 



populuea, 337. 

 Thla.^pi, 101, 123. 



alpcstre, 12.3. 



arvfii^e, 123. 



/Jursa-pastoris, 131. 



Califoruicum, 124. 



cochlearl/onne, 124. 



Fendleri, 124. 



motttanttm, 124. 



tuberosum, 15t). 



Virijinianum, 127. 

 Thrijallis anqustijblia, 351. 

 Thurberia, 338. 



thespesioides, 338. 

 Thvme-leaved Saudwort, 239. 

 Thysanocarpus, 100, 113,468. 

 Thysanocarpus, 112. 



conchuliferus, 113. 



crenatus, 114. 



curvipes, 113. 



curvipes, 114. 



eleguns, 114. 



laciniatus, 114, 468. 



obloiH/ifolius, 113. 



pulc/iellus, 114. 



pusi/lus, 113. 



radians, 114. 



ramosus, 114. 

 Tilia, 342, 343. 



a//;a, 344. 



Americana, 343. 



Americana, 343, 344. 



argentea, 344. 



Canadensis, 343. 



Caroliniana, 343. 



Europaea, 343. 



glabra, 343. 



grandifolia, 343. 



heterophvlla, 344. 



/a.r/^ora,"343, 344. 



n^z/ra, 343. 



rotundi folia, 344. 



parvifolia, 343. 



pubescens, .343. 



pubescens, 343. 

 TILIACE^, 342. 

 Tz'ssa, 250. 



Canadensis, 252. 



Clevelandi, 251. 



diandra, 251. 



gracilis, 251. 



'leucantka, 253. 



macrotheca, 253. 



marina, 252. 



pallida, 253. 



n/6m, 250, 251. 



Srt//«n, 252. 



sparsijlora, 252. 



tenuis, 251. 



vnlida, 253. 



villosa, 251. 

 Titi, 393. 

 Tobinia, 375. 



Toothache-tree, 373, 374. 

 Toothwort, 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. 



graudis, 18. 



palmata, 18. 



palmala, 18. 

 Treacle Mustard, 142. 

 Tree of Heaven, 378. 

 Triadenum, 284. 

 Trianthema, 256, 259. 



monogijna, 259. 



Portuiacastrum, 259. 

 Tribulus, 353. 



brachystylis, 354. 



Californicus, 354. 



cistoides, 354. 



Fischeri, 355. 



grandiflorus, 355. 



maximus, 354. 



terrestris, 354. 



terrestris, 354. 



trijugatus, 354. 

 Tricerma, 398. 



crassi/olium, 398. 

 Trichocarpa, 383. 

 Triclisperina grandijlora, 453. 

 Trilicina, 68. 

 Trionum, 336. 

 Triumfetta, 342. 



semitriloba, 342. 

 Trollius, 2, 40. 



Americanus, 40. 



Europseus, 40. 



laxus, 40. 

 Tropaeolum, 357, 363. 



majus, 363. 

 Tropidocarpum, 103, 141, 469. 



capparideum, 141. 



dubium, 141. 



gracile, 141. 



scabriusculum, 141. 

 Trnm pet-leaf, 81. 

 Trumpets, 79, 81. 

 Tri/phane, 238. 

 Tulipastrum Americanum, 61. 

 Tnlipifera, 61. 

 Tulip-tree, 61. 

 Tunica, 209, 212. 



prolifera, 212. 



saxifraga, 212. 

 Turkey Grape, 428. 

 Turnip, 133. 

 Turpinia glabra, 386. 



pubescens, 386. 

 Turritis, 159, 163. 



brachycarpa, 163. 



diffusa, 175. 



<7/a6m, 160, 163. 

 la cigala, 162. 

 lasiopliijila, \11. 

 viacrocarpa, 160. 

 7«o//is, 160. 

 oraYa, 163. 

 patula, 164, 165. 

 retrofracta, 164. 

 salsuginea, 175. 

 spathulata, 163. 

 s^ric^a, 163, 166. 

 Twin-Leaf, 71. 



Umbrella-tree, 60. 

 Ungnadia, 434, 445. 



hepta/ihi/tla, 446. 



heterophylla, 446. 



speciosa, 445. 

 Upland Cotton, 338. 

 Urena, 297, .331. 

 C/re«a, 331. 



lobata, 331. 

 Urene.?:, 296. 

 Urvillea, 433,441. 



Berteriana, 442. 



Mexicana, 442. 



triphylla, 442. 



ulmacea, 442. 

 Uvaria obovata, 63, 464. 



parviflora, 63. 



pygmcea, 64. 



triloba, 63. 

 Uvarice, 63. 



Vaccaria, 213. 



vulgaris, 213. 

 Vaccinium mucronatum, 391. 

 Valley Grape, 426. 

 Vancouveria, 67, 71. 



aurea, 71. 



chrysantha, 71. 



hexandra, 71. 



hexandra, 71. 



parviflora, 71. 



planipetala, 71. 

 Varnish-trees, .383. 

 Veatchia Cedrosensis, 381. 



discolor, 381. 

 Velarum, 137. 

 Velezia, 209, 210. 



latifolia, 207. 



rigida, 211. 

 Velvef-leaf, 327. 

 Uesicarm, 116, 121. 



alpina, 117. 



angusti folia, 119, 120. 



arcticd, 118, 120. 



arenosa, 118. 



argyrea, 120. 



auriculata, 116. 



Berlandieri, 118. 



brevistyla, 116. 



densiflora, 117. 



didymoc.arpa, 121. 



En'gelmanni, 120. 



Fendleri, 120. 



Geyen, 121. 



