LIST OF HERBACEOUS PERENNIALS 



105 



TIARELLA, L. FALSE MITREWORT. 

 (Saxifragacece.) 



***T. cordifolia albiflora. 



PI., 1905. Hardy. Ht. 1 ft. Fl. 

 white; May to June. 



TRACHELIUM, TOURN. THROAT-WORT. 

 (Campanulacece.) 



T. caeruleum album. 



PL, 1895. Half hardy. 



TRADESCANTIA, RUPP. SPIDER-WORT. 



(Commelinacece.) 



*T. virginiana, L. Common Spider- 

 wort, Flower of a Day. North 

 America. 



PI., 1895. Hardy. Ht. 2 to 3 ft, 

 Fl. violet; June 3 to Sept. 17. 



**T. virginiana alba. 



PI., 1895. Hardy. Ht. 2|- ft. Fl. 

 white, with traces of purple ; 

 June 3 to Aug. 13. 



**T. virginiana alba grandiflora. 



PL, 1905. Hardy. Ht. 2 ft. Fl. 

 white; June 5 to Aug. 4. 



*T. virginiana caerulea. 



PL, 1895. Hardy. Ht. 2} ft. FL 

 purplish violet, bluer than the 

 type; June 3 to Oct. IT. 



*T. virginiana coccinea. 



PL, 1895. Hardy. Ht. 2J ft. Fl. 

 rosy magenta ; June 6 to Oct. 22. 



T. virginiana pilosa. 



PL, 1895. Hardy. Ht. 3 ft. FL 

 purplish lilac ; May 28 to Sept. 3. 



*T. virginiana rosea. 



PL, 1898. Hardy. Ht, 3 ft. FL 

 rosy purple; May 26 to Aug. 18. 



T. virginiana rubra. 



PL, 1898. Hardy. Ht. 2* ft. FL 

 purplish red and lilac. 



TRAUTVETTERIA, FI8GH. & MET. 

 FALSE BUGBANE. 



(Ranunculacece.) 



T. palmata, FISCH. & MEY. North- 

 western America and Japan. 

 PL, 1895. Hardy. Ht. 2 ft. Fl. 

 white; June 29 to July 28. 



TRICYRTIS, WALL. TOAD LILY. 



(Liliacece.) 

 T. hirta fol. var. 



PL, 1898. Half hardy. Ht. 1* ft. 

 Foliage variegated. 



T. japonica Miq. = T. hirta. 



T. hirta, HOOK. Japan. 

 Syn. T. japonica, Miq. 

 PL, 1898. Tender. 



TRIFOLITJM, L. TREFOIL, CLOVER. 



(Leguminosce.) 

 T. alpestre, L. South Europe, &c. 



PL, 1905. Hardy. Ht. 12 to 15 in. 

 Fl. rosy purple ; June 19 to 

 Aug. 4. 



T. Simpson's Perennial, FLETCHER. 



Prince Edward Island. 

 PL, 1899. Hardy. Ht. 12 to 18 in. 

 FL purplish red ; June 23 to 

 Aug. 20. 



TRILLIUM, L. THREE-LEAVED NIGHT- 

 SHADE. 



(Liliacece.) 

 *T. erectum, L. Birth Boot. North 



America. 



PL, 1895. Hardy. Ht. 9 in. FL 

 brownish purple; May. 



*T. erectum declinatum. 



PL, 1895. Hardy. Ht. 16 in. FL 

 white; May 16 to June 9. 



***T. grandiflorum, SALISB. Wake Eobin. 



North America. 



PL, 1895. Hardy. Ht, 12 to 18 in. 

 FL white; May to June. 



T. sessile calif ornicum, 



PL, 1898. Tender. 



T. style-sum, NUTT. . Southern United 



United States. 

 PL, 1898. Tender. 



TRITOMA, KER-GAWL = KNIPHO- 

 FIA. 



TRITONIA, KER-GAWL. 



(Iridacece.) 

 **T. Pottsii, BENTH. & HOOK. F. South 



Africa. 



PL, 1901. Hardy. Ht. 3 to 3i ft. 

 Fl. orange and red; July 31 to 

 Sept. 7. 



