INDEX. 



Thistle, Yellow, 520. 

 Thorn Apple, 414. 

 Thorn Apple, Purple, 414. 

 Thoroughwort, 468. 

 Thoroughwort, White, 468. 

 Tiarella cordifolia, 184. 

 Tick Trefcjil, 216. 

 Tick Trefoil, Canadian. 218. 

 Ticdemannia rigida, 308. 

 Tinker' s-weed, 448. 

 Tissa rubra L , 126. 

 Toad-flax, 418 

 Toad-flax, Blue, 410. 

 Tobacco, Indian. 464. 

 Tooth wort, 1 6b. 

 Toothwort. Cut-leaved, 16O. 

 Touch-me-not, Pale, 256. 

 Touch-me-not, Spotted, 256. 

 Tradescantia rosea, 20. 

 Tradescantia Virginica, 20. 

 Trichosicma dichotomum, 388. 

 Truhostcma lineare, 38S. 

 Tricutalis Americana, 344- 

 TrijoUiim agrarium, 212. 

 Tnjoliitm arvoisc, 210 

 Tmolium hybridiim, 212. 

 Trifolium pralcnse, 210. 

 Trifolium procunibens, 214. 

 Trjfolium rcpcns, 212. 

 TrdUum cernumn, 42. 

 Trillium, Dwarf White, 42- 

 Trillium erectum, 40. 

 Trillium grandifloruni, 42. 

 Trillium, Large Flowering, 42. 

 Trillium nivale, 42. 

 Trillium, Nodding, 42. 

 Trillium, Painted, 42. 

 Trillium recurvatum, 40. 

 Trillium, sessile, 40. 

 Trillium, Stemless, 40 

 Trillium undulatum, 42. 

 Triosteiim perfolialum, 448. 

 Tuckerman's Ravine, Mt. Wash- 

 ington, N. H., 338. 

 Tumble Weed, 112. 

 Turtle-head, 420. 

 Twayblade, Broad-lipped, 72. 

 Twayblade, Heart-leaved, 72. 

 Twayblade, Large, 70. 

 Twinberrv, 442. 

 Twin-flower, 448. 

 Twinleaf , 152. 

 Twisted Stalk, 28. 

 Typha angustifolia, 3. 

 Typha latifolia, 3. 

 Typhace^, 3- 



Umbelliferce, 306. 

 Umbrella Leaf, iS4- 

 Uvularia grandiflora, 38. 

 Uvular ia pcrfoliata, 38. 

 Uxbridge, Mass., 132. 



Valerianace^, 452. 

 Valeriana officinalis, 454- 

 Valeriana sylvatica, 452. 



Valerian Family. 453. 

 Valerian. Garden, 454. 

 Valerian, Great Wild, 454. 

 Valerian, (in-ck. 3 7(). 

 Valerian, Swamp, 452. 

 Valcriaiiclla Woodsiana, 454 

 Vandal-root. 454. 

 Venus's Looking-glass. 456. 

 Veratrum virtdc, 40. 

 Verbascum /-ilaltana, 41O. 

 Verbascum Thapsus, 414. 

 Verbenace.-e. 3H4 

 Verbena angustifolia, 3H0. 

 Verbena hastata, .iH(> 

 Verbena officinalis, 384 

 Verbena urticisjolia. 384 

 Vernonia altissima. 4(10. 

 Vernonia Novcboraccnsis, 40'>. 

 Vernonias. 470. 

 Veronica alpino, 424. 

 Vero7iica Americana, 424 

 Veronica officinalis, 424. 

 Veronica scutellaia, 424. 

 Veronica serpyllijolia, 420. 

 Veronica Virginica, 422. 

 Vervain, Blue, 386 

 Vervain, European, 384. 

 Vervain Family, 384. 

 Vervain, Narnnv -leaved, 380. 

 Vervain, White, 384. 

 Vetch, Common, 222. 

 Vetch, Cow, 222. 

 Viburnum alnifolium, 440. 

 Vicia Americana, 222. 

 Vicia Cracca, 222. 

 Vicia sativa, 222. 

 Vine Family, 260. 

 Viola blanda, 280. 

 Viola Canadensis, 282. 

 Viola canina, var. Muhlenbergii, 



284. , . 



Viola canina, var. pubcruia, 284 

 ViOLACE.-E, 276. 

 Viola lanceolata, 280. 

 Viola palmata, 27b. 

 Viola palmata, var. cuculata, 



278. 

 Viola palustris, 278. 

 Viola pedata, 276. 

 Viola pubesccns, 2^2. 

 Viola rotundifolia, 280. 

 Viola sagittata, 278. 

 Viola Sclkirkii, 278. 

 Viola striata, 284. 

 Violet, Arrow-leaved. 278. 

 Violet. Bird-foot, 27'). 

 Violet, Canada, 282. 

 Violet, CommoiT. 278. 

 Violet. Dog. 284. 

 Violet. Dogtooth. 54- 

 Violet. Downy Yellow, 282. 

 Violet Family, 270. 

 Violet. Lance-leaved, 2 Ho. 

 Violet, Marsh. 278. 

 Violet, Pale, 284. 

 Violet, Round-kaved, 280. 



551 



