741 



Tubaria, 51. 

 Tuber, 58, 83. 

 l\ilbaghia, 286. 

 Tulipa, 233, 240, 286, 287, 

 288. 289, 412, 530, 536, 

 Turnera, 585, 601, 603. 

 Turneraceae, 30, 360. 

 Turrigera, 304 

 Tussilago, 200, 259. 

 Tvlophoron, 115. 

 Typhula, 37, 59, 70. 



Ubyaea, 580. 



Ulex, 338, 375, 377. 



Ulmaceae, 360. 



rimus, 360, 483, 484, 502, 



505, 506, 513, 516, 534, 



584, 653, 680, 681. 682, 



683, 684 

 TJlmoxylon, 460. 

 TJlodendron, 465, 471,473. 

 TJlothrix, 45. 

 Ulota, 245. 384, 480. 

 TJmbelliferae, 30. 190, 303, 



360, 361, 362, 430. 

 Umbilicus, 22 . 

 Uncaria, 147, 571. 

 Uragoga, 350, 351. 

 Urceolaria, 109, 111. 

 Uredineae, 50, 57. 

 Uredo, 55, 78, 494, 495. 

 Urgiuia. 166, 180. 

 Urocystis, 57, 67, 69, 491. 

 Urostigma, 575, 623. 

 Uromvces, 53, 55, 67, 72, 



77, "79. 

 Urtica, 362, 620, 622, 623, 



650. 

 Urticaceae, 362. 

 Urvillea, 354 

 Usnea, 111, 115. 

 Ustilagineae, 59, 60,64,69, 



71, 79, 692. 

 Ustilago, 60, 61,68,71,80, 



81, 475, 482, 487, 489, 



491, 492, 493, 484, 496, 



497. 498 

 Utriralaria, 25, 42, 362, 644. 

 Utriculariaceae, 30, 362. 



Vaccinium, 162, 167, 496, 



509, 648. 

 Valeriana, 129, 143, 362. 

 Valerianaceae, 362, 402. 



Valerianella, 362. 



Valonia, 615. 



Valsa, 53, 56, 57, 68. 



Vanda, 535, 681. 



Vanilla, 146, 158,199,292, 

 643. 



Vaucheria, 33, 42, 45, 46. 



Veratrum, 129, 149, 196, 

 197, 581, 601. 



Verbascum, 398, 609. 



Verbena. 362, 477, 485, 490, 

 628. 



Verbenaceae, 362. 



Verouica, 356, 672, 697. 



Verpa, 56. 



Verrucaria, 71, 108,109,111, 

 114, 115. 



Verrucariae, 71. 



Vernonia, 313. 



Verrucia, 694. 



Vesicaria, 319. 



Viborquia, 569. 



Vibrio, 91. 



Viburnum, 569. 



Vicia, 27, 340, 387. 



Victoria, 447, 669. 



Videlia, 37. 



Vigelia, 318. 



Viguiera, 313. 



Villanova, 314 



Villaresia, 327 



Villarsia, 325 . 



Viola, 20, 27, 30, 164, 198, 

 204, 225, 230, 234, 238, 

 363, 397, 538. 



Violaceae, 30, 158, 363. 



Violtzia, 469 . 



Viscum, 330, 487, 488, 534, 

 535, 589. 686 



Vitaceae, 31, 363. 



Vitis, 31, 127, 128, 1:^6, 

 142, 143, 145, 146, 148, 

 151, 161, 163, 166, 168, 

 170, 175, 176, 179, 198, 

 199, 211, 214, 221, 222, 

 233, 265, 363, 364, 442, 

 444, 476, 477, 478, 479, 

 480, 481, 482, 483, 487, 

 490, 492, 493, 494, 495, 

 497, 498, 502 — 512,515, 

 516, 517, 518 — 527,577, 

 641, 650, 651, 652, 653, 

 659, 660, 670, 673, 674, 

 675, 696. 



Vittadinia, 698. 

 Volkmannia, 473. 

 Volvaria, 54, 70, 76. 

 Volvox, 34, 39, 40. 

 Volvoxineae, 41, 691 . 

 Vriesea, 238, 278. 

 Vulpia, 282, 283, 372, 373. 

 377. 



^Yebera, 245 . 

 Wedelia, 313. 

 Weigelia, 310. 

 AVeiumannia, 29, 618. 

 Weisia, 244, 249, 250,257. 

 Wellingtonia, 426, 427, 438, 



611, 667, 668. 

 Welwitschia, 31, 508. 

 Wendtia, 325 . 

 Werneria, 314. 

 Wistaria, 436, 668, 669. 

 Williamsonia, 455 . 



Xanthidium, 35, 43, 691. 

 Xanthium, 391, 405, 425. 

 Xanthosoma, 537. 

 Xiphion, 284. 

 Xylaria, 53, 54, 55, 61. 

 Xylographa, 114. 

 Xyloma, 58 

 Xylopia, 617 . 



Yucca, 231, 544. 



Zamia. 438, 446, 667. 



Zannichellia, 290. 



Zanthoivlou, 353. 



Zea, 16,' 17, 134, 154, 158, 

 160, 171, 173, 194, 216, 

 236, 283, 443, 493, 504, 

 511, 528, 533, 536, 576, 

 577, 585, 589, 607, 627, 

 663, 664. 



Zephyranthui, 272. 273. 



Zingiber, 190, 301. 



Zingiberiaceae, 301 . 



Zizania, 646 . 



Zizyphus, 325 . 



Zornia, 339. 



Zostera, 214, 226, 227. 



Zygodou, 245, 247, 248, 251, 



Zygophyllaceae, 364 . 



