24 FERNS AND 



T. 



TECOMA, Juss. trumpet-flower. 



radicans, Juss. trumpet-creeper. 

 TEUCRIUM, L, wood-sage ; germander. 



canadense, L. 

 THALICTRUM, L. meadow rue. 



dioicum, L. early meadow rue. 



cornuti, L. meadow rue. 



anemonoides, Michx. rue anemone. 

 THASPIUM, Nutt. (ligusticum, Michx.) 



barbinode, Nutt. great thaspium. 



aureum, Nutt. lesser thaspium. 

 TILIA, L. lime-tree; basswood. 



americana, L. whitewood ; basswood. 

 TRADESCANTIA, L. spiderwort. 



pilosa, Lehm. 



virginica, L. 

 TRICUSPIS, Beauv. tall red-top. 



sesleroides, Torr. 

 TRIFOLIUM, L. clover. 



reflexum, L. 



repens, L. 

 TRILLIUM, L. three-leaved night-shade. 



sessile, L. 



erectum, L. false wake-robin. 

 TRIOSTEUM, L. feverwort ; horse-gentian. 



perfoliatum, L. 

 TYPHA, Tourn. reed-mace ; cat-tail. 



latifolia, L. 



u. 



ULMUS, L. elm tree. 



americana, L. white elm. 



fulva, Michx. slippery-elm. 

 UNIOLA, L. spike grass. 



latifolia, Michx. 



URTICA, Tourn. nettle. 



dioica, L. great stinging-nettle. 



UTRICULARIA, L. bladderwort. 

 gibba, L. 

 fornicata, Le Count. 



UVULARIA, L. bellwort. 



grandiflora, Smith, large-flowered bellwort. 



