522 



Thiimenia, 57. 

 Thunbergia, 15. 

 Thymelacejie, 26. 

 Thymus, 91, 228, 411. 

 Tilia. 149, 251, 344, 370, 



453, 474. 

 Tiliaceae, 26, 251. 

 Tillandsia, 191, 192, 461. 

 Tillelia, 49. 58, 338. 

 Tithymalus, 20, 26, 339. 

 Toreaia, 247, 24S, 249. 

 Torilis, 252, 265. 

 Torula, 57, 65. 

 Toxicoplilaea. 212. 

 Trachyaulra, 199. 

 Trachycarpus, 209. 

 Tiachysplienia, 36. 

 Tragopogon, 18 

 Tragus, 194. 

 Trametes, 42. 

 Trentepohlia, 38. 

 Trianaea, 195. 

 Trihulus, 480. 

 Trichantemis, 221. 

 Tricheloslilus, 193. 

 Trichocaulou, 213. 

 Trichodiclida, 194. 

 Tricholoma, 58. 

 Trichonema, 262. 

 Thrichostema, 165. 

 Tricoilocaryon, 321. 

 Trifolium, 21, 91, 108, 119, 



158, 235, 236, 263, 265, 



273, 354, 362, 444,446, 



448, 449. 

 Trigonella. 112, 236. 

 Trigostigma, 465. 

 Trillium, 374. 

 Trillius, 241. 

 Trimmatostroma, 57. 

 Trithrinax, 209, 210. , 

 Triticum, 91, 128. 264, 265, 



434, 449, 451. 

 Tritoma, 14. 201, 459. 

 Tropaeolaceae, 251. 

 Tropaeolum, 163. 251, 364. 

 Tuber, 337. 

 Tulbaghia, 198. 200. 

 Tulipa, 174, 200. 201.202, 



270, 365, 373, 454,461. 

 Turneraceae, 26, 2i>l. 

 Typha, 211, 258. 398. 

 Typhaceae, 211. 



Ubyaea, 402. 



Ulex, 235, 277, 278, 450. 



Ulmus, 337, 346, 348, 353, 



368, 437, 474. 

 Ulothrix, 30. 

 Ulva, 132. 

 Umbelliferae, 26, 213, 251. 



272. 479. 

 Umbilictis, 223. 

 Uncifera, 208. 

 Unciiiia, 193. 

 Uragoga, 244. 

 Urechites, 399. 

 Uredineae, 44, 46. 

 Uredo, 45, 54, 336, 339, 



310, 341, 342. 

 Urginia, 198, 200. 

 Urocystis, 49, 50. 

 Urostigma, 431. 

 Uromyces, 46, 50. 58. 

 Urtica, 252, 260, 436.442, 



468. 

 Urticaceae, 262. 

 Usnea, 106. 



Ustiiagineae, 46, 49, 54, 58. 

 Ustilago, 46, 50, 51.59, 338, 



339, 340, 341, 342. 

 Utricularia, 264. 



Vacciniaceae. 225. 

 Vaccinium, 143, 226, 462. 



464, 488. 

 Valeriana, 128, 374. 420. 

 Valeriauaceae, 252. 

 Valerianella, 252. 

 Valisneria, 14, 

 Valouia, 32, 109. 132. 

 Valsei. 56. 

 Vanda, 205. 



Vanilla, 402, 464, 465. 

 Vasconcellea, 234. 

 Vateria, 132, 426. 

 Vaucheria. 29. 32. 35, 39. 



132, 151, 343. 

 Ventura, 53. 

 Veratrum, 106, 136, 141, 



399, 413, 415. 419,420, 



479. 

 Verbascum. 169, 171, 248, 



363. 

 Verbenaceae, 252. 

 Veronica, 248, 249, 264, 



265, 426, 480. 

 Vei-pa, 44. 



Viburnum, 405, 414. 

 Vicia, 23, 125, 235, 236, 



265. 

 Vincetoxicum, 16. 



Warscewiczelia, 205. 

 \\ atsonia, 196. 

 Wellingtonia, 187, 466. 

 Welwitschia, 302. 

 Wistaria, 166, 363, 466. 

 Wistringia, 229. 

 Woodwardia. 179. 



Xalyseris. 37. 

 Xanthium. 221, 481. 

 Xanthosoma, 191. 

 Xantorrhoea, 437. 

 Xerophyta, 195. 

 Xiphion, 196, 197. 

 Xylaria, 42. 

 Xylopia. 455. 

 Ximenia, 233. 426. 



Yucca, 14, 167, 175, 201, 

 431, 434. 464. 



Zamia, 188. ~ 



Zanardinia, 31''. 



Zaunichellia, 203. 



Zea, 13, 14,86,91.95, 103, 

 113, 120, 156, 173, 195, 

 307, 355, 368, 399,403, 

 405, 413, 424, 431,433, 

 439, 446, 450. 451. 



Zingiberiaceae. 211. 



Zonaria. 37. 



Zostera. 203, 265. 



Zygopetalum. 206. 208. 



