INDEX. 



619 



Tritonia, 321. 

 Triumfetta, 424, 425. 

 Trollius, 379, 381. 

 Tropasolacese, 419. 

 Tropseolum, 420. 

 True Ferns, 204, 205. 

 True Laurels, 391. 

 True Mosses, 192. 

 Truffles, 124. 

 Trumpet-tree, 356. 

 Trumpet-wood, 529. 

 Tryblidiacese, 133. 

 Tryblidiales, 133. 

 Tryblidium, 133. 

 Tsuga, 265, 266. 

 Tuber, 124. 

 Tuberaceas, 124. 

 Tubercles, 8, 466. 

 Tubercularia, 127. 

 Tuberose, 318. 

 Tubiflorge, 505, 514, 532. 

 Tuburcinia, 110,111,113. 

 Tulip, 312. 

 Tulipa, 312, 314. 

 Tulipeae, 312. 

 Tupa, 563. 

 Turkish-millet, 296. 

 Turmeric, 326. 

 Turneraceas, 476. 

 Turnip, 405. 

 Turpentine, 266, 439. 

 Turritinae, 404. 

 Tussilago, 151, 569, 571, 



574. 



Tydasa, 528. 

 Tylostoma, 174. 

 Tylostomacese, 174. 

 Typha, 302, 303. 

 Typhacese, 302. 

 Typhula, 161. 



Ulex, 472. 

 Ullucus, 371, 372. 

 Ulmaceas, 351. 

 Ulmeaa, 351. 

 Ulrnus, 351. 

 Ulothricaceae, 47, 53. 

 Ulothrix, 12, 14, 53, 54. 

 Ulva, 10, 53. 

 UlvaceaB, 47, 53. 

 UmbellifenB, 491. 

 UmbelliflorEe, 490. 

 Umbilicaria, 143. 

 "Umbilicus, 451. 

 Uncaria, 553. 

 Uncinia, 287. 

 Uncinula, 122. 

 Upas-tree, 356. 

 Urare, 546. 

 Uredinacese, 145, 146. 

 Uredo, 148. 



Urena, 428. 

 Urenea3, 428. 

 Urginea, 312, 314. 

 Urocystis, 113. 

 Urogleua, 15. 

 Uromyces, 148, 151. 

 Urophlyctis, 103. 

 Urospora. 58. 

 Urtica, 134, 151, 351, 353. 

 Urticacese, 352. 

 Urticifloraa, 351. 

 Usnea, 143. 



Ustilagiuacese, 110, 113. 

 Ustilagineas, 109. 

 Ustilago, 111, 113. 

 Ustulina, 131. 

 Utricularia, 527, 528. 

 Utriculariaceaa, 518, 527. 

 Utriculus, 287. 

 Uvularia, 310. 



Vaccines, 41. 

 Vacciniaceae,451,508, 509. 

 Vaccinium, 134, 160, 161, 



509, 510. 

 Vaginula, 189. 

 Vahea, 544. 

 Vaillantia, 552. 

 Valeriana, 557, 553. 

 Valerianaceas, 549, 556. 

 Valerianella, 557, 558. 

 Vallisneria, 282, 283. 

 Valloons, 348. 

 Vallota, 318. 

 Valonia, 59, 62. 

 Valoniacea3, 47, 62. 

 Valsa, 130. 

 Valsaceae, 130. 

 Vanda, 332. 

 Vandellia, 525. 

 Vandese, 332. 

 Vanilla, 331, 333. 

 Vascular Cryptogams, 2, 

 198, 240. 



Isosporous, 200. 



Heterosporous, 200. 

 Valeria, 415. 

 Vaucheria, 10, 33, 61. 

 Vaucheriacene, 47, 60. 

 Vegetable-ivory, 301, 302. 

 Vegetable-silk, 545. 

 Velarnen, 332. 

 Vella, 400. 

 Veiling, 404. 

 Vellosia, 318. 

 Vellosiese, 318. 

 Velltheimia, 312. 

 Velum partiale, 167, 168. 



universale, 167. 

 Venter, 184. 

 Ventral-caual-cell, 185. 



Venturia, 130. 

 Veratrefe, 310. 

 Veratrin, 311. 

 Veratrum, 310, 311. 

 Verbascum, 523, 525, 527. 

 Verbena, 535. 

 VerbeuaceaB, 532, 535, 537. 

 Veruouia, 571. 

 Veronica, 335, 523, 525. 



526, 527, 530, 536, 



559. 



Verpa, 136. 

 Verrucaria, 140, 142. 

 Vesicaria, 400. 

 Vetch, 470. 

 Vibrioues, 27. 

 Viburnum, 455, 553, 555, 



556. 



Vicia, 469, 470, 473. 

 Vicieaa, 469, 470. 

 Victoria, 386, 387. 

 Vigua, 47 L. 

 Vinca, 544. 



Vincetoxicum, 155, 546. 

 Vine, 121,444. 

 Vinegar-bacterium, 31, 32, 



35. 



Viola, 410, 411. 

 Violacese, 410. 

 Violets, 114, 410. 

 Violet-stone, 54. 

 Viper's-bugloss, 533. 

 Virginian-creeper, 447. 

 Viscaria, 364, 367. 

 Viscoideas, 501. 

 Viscum, 501, 502, 504. 

 Vismia, 414. 

 Vitex, 535. 

 Vitis, 445, 446, 447. 

 Vochysiaceae, 442. 

 Volkmannia, 225. 

 Volva, 167. 

 Volvaria, 171. 

 Volvocacese, 14, 47, 48. 

 Volvox, 48, 50. 

 Vomic nut, 546. 

 "Vorblatt," 275. 



Wahlenbergia, 562. 

 Wallflower, 402, 405. 

 Wall-lichen, 143. 

 Wall-rue, 213. 

 Walnut, 165, 349, 350. 

 Water-cress, 402, 405. 

 Water-dropwort, 498. 

 Water-ferns, 205, 215. 

 Water-fungi, 96. 

 Water-hyssop, 525. 

 Water-lilies, 385. 

 Water-melon, 481. 

 Water-milfoil, 486. 



