INDEX 



68 1 



Tithymaius Esula, 427 



Helioscopia, 426 



Lathyris, 426 



Peplus, 426 



segetalis, 427 

 Tofieldia, 228 



racemosa, 15, 228 

 Tomanthera, 560 

 Torilis, 477 



Anthriscus, 477 



nodosa, 477 

 Tovara, 291 



virginiana, 22, 291 

 Toxicodendron, 430 



radicans, 430 



Toxicodendron, 16,430 



Vernix, 430 

 Toxylon, 281 



pomiferum, 281 

 Tracaulon, 293 



arifolium, 294 



sagittatum, 293 

 Tradescantia, 219 



reflexa, 219 



virginiana, 219 

 Tragopogon, 642 



porrifolius, 643 



pratensis, 642 

 Triadenum, 447 



petiolatum, 447 



virginicum, 447 

 Trianthema portulacastrum, 



302 

 Tribulus, 419 



terrestris, 419 

 Trichostema, 529 



dichotomum, 529 



lineare, 529 

 Tridens, 135 



flava, 135 

 Trientalis, 499 



americana, 499 



borealis, 499 

 Trifolium, 398 



agrarium, 398 



arvense, 398 



aureum, 398 



carolinianum, 399 



dubium, 398 



hybridum, 399 



incarnatum, 398 



Trifolium maritimum, 399 



medium, 399 



pratense, 399 



procumbens, 398 



reflexum, 399 



repens, 399 



scabrum, 399 



striatum, 399 



tomentosum, 399 

 Trighlochin, 85 



maritima, 18, 85 



palustris, 86 

 Trigonella Besseriana, 413 

 Trillium, 238 



cernuum, 239 



erectum, 238 



grandiflorum, 238 



undulatum, 239 

 Triosteum, 578 



angustifolium, 17, 578 



aurantiacum, 578 



perfoliatum, 17, 22, 578 ■ 

 Triphora, 253 



trianthophora, 253 

 Triplasis, 135 



purpurea, 135 

 Tripsacum, 96 



dactyloides, 96 

 Trisetum, 132 



pennsylvanicum, 21, 132 



spicatum, 5, 132 

 Triticum sativum, 150 

 Trollius, 319 



laxus, 319 

 Tsuga, 73 



canadensis, 22, 73 

 Tulipa sylvestris, 235 

 Tunica, 313 

 Tussilago, 634 



Farfara , 634 

 Typha, 76 



angustifolia, 76 



latifolia, 76 

 Typhaceae, 76 



Ulex europaeus, 413 

 Ulmaceae, 279 

 Ulmus, 280 



alata, 280 



americana, 280 



campestris, 280 



Ulmus fulva, 280 

 racemosa, 280 

 Thomasi, 6, 280 



Unifolium, 237 



canadense, 23, 237 



Uniola, 138 



laxa, 14, 138 



Urachne, 121 



Urena lobata, 442 



Urtica, 282 

 dioica, 283 

 gracilis, 283 

 Lyallii, 283 

 urens, 283 



Urticaceae, 282 



Urticastrum, 283 



divaricatum, 283 



Utricularia, 562 

 biflora, 563 

 dandestina, 563 

 fibrosa, 17, 29, 563 

 geminiscapa, 29, 563 

 gibba, 563 

 intermedia, 20, 563 

 macrorhiza, 563 

 minor, 20, 29, 563 

 pumila, 563 

 purpurea, 562 

 radiata, 562 

 vulgaris, 563 



Uva-ursi, 492 



Uva-ursi, 492 



Uvularia, 231 



grandiflora, 231 

 nitida, 15, 32, 231 

 perfoliata, 21, 231 

 sessilifolia, 231 

 nitida, 231 



Vaccaria, 314 



Vaccaria, 314 



Vacciniaceae, 492 



Vaccinium, 493 

 amoenum, 494 

 angustifolium, 495 

 atlanticum, 494 

 atrococcum, 494 

 australe, 495 

 Brittonii, 7, 20, 495 

 caesariense, 32, 494 

 canadense, 7, 494 



