INDEX. 



.Thistle, Yellow, 520. 

 Thorn Apple, 414. 

 Thorn Apple, Purple, 414. 

 Thoroughwort, 4<>*- 

 Thoroughwort, While, 468. 

 Tiarella cord i folia, 184. 

 Tick Trefoil, 216. 

 Tick Trefoil, Canadian, 218. 

 Tiedemannia r ig ida, 308. 

 Tinker s-weed, 44S. 

 Tissa rubra L , 12.6. 

 Toad-flax, 418. 

 Toad-flax, Blue, 416. 

 Tobaceo, Indian, 464. 

 Toothwort, 166. 

 Toothwort, Cut-leaved, 160. 

 Touch-me-not, Pale, 256. 

 Touch-me-not, Spotted, 256. 

 Tradescantia rosea, 20. 

 Tradescantia Virginica, 20. 

 Trichostema dichotomum, 388. 

 TrichostemaJineare, 388. 

 Trientalis Americana, 344. 

 Trifolium agrarium, 212. 

 Tri folium arvense, 210 

 Trifolium hybridum, 212. 

 Trifolium pratense, 210. 

 Trifolium procumbens, 214. 

 Trifolium re pens, 212. 

 Trillium ccriiuum, 42. 

 Trillium, Dwarf White, 42. 

 Trillium erectum, 40. 

 Trillium grandiflorum, 42. 

 Trillium, Large Flowering, 42. 

 Trillium nivale, 42. 

 Trillium, Nodding, 42. 

 Trillium, Painted, 42. 

 Trillium recurvation, 40. 

 Trillium sessile, 40. 

 Trillium, Stemless, 40. 

 Trillium undulatum, 42. 

 Triosteum perfollatum, 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, 7°- 

 Twinberry, 442. 

 Twin-flower, 448. 

 Twinleaf, 152. 

 Twisted Stalk, 28. 

 Typha angustifolia, 3. 

 Typha latijolia, 3. 

 TyPHACE^:, 3. 



Umbelliferce, 306. 

 Umbrella Leaf, 154- 

 Uvular ia grandiflora, 38. 

 Uvular ia perfoliata, 38. 

 Uxbridge, Mass., 132. 



Valerianace^e, 452. 

 Valeriana officinalis, 454. 

 Valeriana sylvatica, 452. 



Valerian Family, 452. 

 Valerian, Garden, 454. 

 Valerian, Great Wild, 454. 

 Valerian, Greek, 376. 

 Valerian, Swamp, 452. 

 Valerianella Woodsiana, 454. 

 Vandal-rout, 454. 

 Venus' s Looking-glass, 456. 

 Veratrum viride, 46. 

 Verbascum Blattaria, 416. 

 Verbascum Thapsus, 414. 

 Verbenacea;, 384. 

 Verbena angustifolia, 386. 

 Verbena hastata. 386 

 Verbena officinalis, 384. 

 Verbena urticafolia, 384. 

 Vernonia altissima, 466. 

 Vernonia Noveboraceusis, 466. 

 Vernonias, 470. 

 Veronica alpina, 424. 

 Veronica Americana, 424. 

 Veronica officinalis, 424. 

 Veronica scutellata, 424. 

 Veronica serpyllifolia, 426. 

 Veronica Virginica, 422. 

 Vervain, Blue, 386 

 Vervain, European, 384. 

 Vervain Family, 384- 

 Vervain, Narrow-leaved, 386. 

 Vervain, White, 384. 

 Vetch, Common, 222. 

 Vetch, Cow, 222. 

 Viburnum alnifolium, 446. 

 Vicia Americana, 222. 

 Vicia Cracca, 222. 

 Vicia sativa, 222. 

 Vine Family, 260. 

 Viola blanda, 280. 

 Viola Canadensis, 282. 

 Viola canina, var. Muhlenbergil 



284. 

 Viola canina, var. puberula, 284. 

 Violace^e, 276. 

 Viola lanceolata, 280. 

 Viola palmata, 276. 

 Viola palmata, var. cuculata 



278. 

 Viola palustris, 278. 

 Viola pedata, 276. 

 Viola pubescens, 282. 

 Viola rotundifolia, 280. 

 Viola sagittata, 278. 

 Viola Selkirkii, 278. 

 Viola striata, 284. 

 Violet, Arrow-leaved, 278. 

 Violet, Bird-foot, 276. 

 Violet, Canada, 282. 

 Violet, Common, 278. 

 Violet, Dog, 284. 

 Violet, Dogtooth, 54. 

 Violet, Downy Yellow, 282 

 Violet Family, 276. 

 Violet, Lance-leaved, 280. 

 Violet, Marsh, 278. 

 Violet, Pale, 284. 

 Violet, Round-leaved, 280. 



551 



