INDEX. 



Teucrium canadense, 390, 560. 

 Teucrium canadense, var. lit- 



tprale, 390. 



Thalictrum dasycarpum, 138. 

 Thalictrum dioicum, 136. 

 Thalictrum polygamum, 136. 

 Thalictrum revolutum, 138. 

 Thaspium aureum, 310, 559. 

 Thaspium aureum, var. airo- 



purpureum, 310. 

 Thaspium barbinode, 310. 

 Thimble-berry, 190. 

 Thimble-weed, 130. 

 Thistle, Canada, 522. 

 Thistle, Common, 520. 

 Thistle, Pasture, 522. 

 Thistle, Sow, 534. 

 Thistle, Swamp, 522. 

 Thistle, Tall, 522. 

 Thistle, Yellow, 520. 

 Thorn Apple, 414. 

 Thorn Apple, Purple, 414. 

 Thorough wort, 468. 

 Thoroughwort, White, 468. 

 Tiaralla cordifolia, 184. 

 Tick Trefoil, 216. 

 Tick Trefoil, Canadian, 218. 

 Tiedemannia rigida t 308. 

 Tinker's-weed, 448. 

 Tissa rubra, 126. 

 Toad-flax, 418 

 Toad-flax, Blue, 416. 

 Tobacco, Indian, 464. 

 Toothwort, 166. 

 Toothwort, Cut-leaved, 166. 

 Touch-me-not, Pale, 256. 

 Touch-me-not, Spotted, 256. 

 Tradescantia bracteata, 544. 

 Tradescantia brevicaulis, 544. 

 Tradescantia montana, 544. 

 Tradescantia occidentalis, 544. 

 Tradescantia pilosa, 544. 

 Tradescantia reflexa, 544. 

 Tradescantia rosea, 20. 

 Tradescantia virginiana, 20. 

 Trichostema dichotomum, 388. 

 Trichostema linear e, 388, 560. 

 Trientalis americana, 344. 

 Trifolium agrarium, 212. 

 Trifolium arvense, 210. 

 Trifolium hybridum, 212. 

 Trifolium pratense, 210. 

 Trifolium procumbens, 214. 

 Trifolium re pens, 212. 

 Trillium cernuum, 42. 

 Trillium declinatum, 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 recurvatum, 40. 

 Trillium sessile, 40. 

 Trillium, Stemless, 40. 



Trillium undulatum, 42. 

 Trillium viride, 40. 

 Triosteum perfoliatum, 448. 

 Tuckerman's Ravine, Mt. Wash= 



ington, N. H. t 338. 

 Tumble Weed, 112. 

 Turtle-head, 420. 

 Twayblade, Broad-lipped, 72. 

 Twayblade, Heart-leaved, 72. 

 Twayblade, Large, 70. 

 Twinberry, 442. 

 Twin-flower, 448. 

 Twinleaf, 152. 

 Twisted Stalk, 28. 

 Typha angustifolia, 3. 

 Typha latifolia, 3. 

 TYPHACE^E, 3. 



Umbelliferce, 306. 

 Umbrella Leaf, 154. 

 Uvular ia grandi flora, 38. 

 Uvular ia perfoliata, 38. 

 Uxbridge, Mass., 132. 



VALERIANACE^, 452. 

 Valeriana officinalis, 454. 

 Valeriana uliginosa, 452. 

 Valerian Family, 452. 

 Valerian, Garden, 454. 

 Valerian, Great Wild, 454. 

 Valerian, Greek, 376. 

 Valerian, Swamp, 452. 

 Valerianella Woodsiana, 454. 

 Valerianella Locusta, 454. 

 Vandal-root, 454. 

 Venus's Looking-glass, 456. 

 Veratrum viride, 46. 

 Verbascum Blattaria, 416. 

 Verbascum Thapsus, 414. 

 VERBENACE^E, 384. 

 Verbena angustifolia, 386. 

 Verbena hastata, 386. 

 Verbena officinalis^ 384. 

 Verbena urticcefolia, 384. 

 Veronia altissima, 466. 

 Veronia noveboracensis, 466. 

 Veronias, 470. 

 Veronica alpina, var. unalaschen- 



sis, 424. 



Veronica americana, 424. 

 Veronica officinalis, 424. 

 Veronica scutellata, 424. 

 Veronica scutellata r var. villosa, 



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 t 446. 

 Vicia americana, 222. 

 Vicia Cracca, 222. 



586 



