46 TRIOSTEUM-ULEX. 



recurved, as long as the calyx ; leaves rhomboid, on short petioles ; flowers 

 iinall, berries red. 12-18 i. 



^andifio'ruvi, peduncle a little inclined, nearly erect ; flower solitary; petals 

 spatulate, connivlentat the base, much longer than the calyx ; leaves broad 

 ly rhomboid, ovate, sessile, abruptly acuminate. Rocky banks of streams. 

 Flower much larger than in any of the preceding species, varying from 

 white to rose-colour ; stem 8-12 i. 

 TRIOSTEUM. 5—1. {Caprifolia.) 



ferfolia'tum, (fever-root, p. J. %.) leaves connate, spatulate, lanceolate, acumi- 

 nate, pubescent beneath, margin undulate ; flowers 1-3, in the axils of the 

 leaves, sessile ; berries purple, or yellow ; the root is medicinal. Rocky 

 woods. 2-3 feet high. N. Y. to Car. 

 TRIPHOR.^.. 18—1. iOrchidecE.) [From the Greek, signifying to bear three flowers.] 



pen"dula, (p. S. %.) root tuberous; stem leafy, about 3-flowered at the sum- 

 mit ; leaves ovate, alternate ; flowers pedunculate, stems often in clusters, 

 4-6 1. Roots of trees. 

 TRITICUM. 3—2. (Graminea:.) [From tero, to thresh.] 



cesti'vum, (winter wheat, J. ^.) calyx glume 4-flowered, tumid, even, imbri- 

 cate, abrupt, with a short compressed point ; stipule jagged ; corollas of the 

 upper florets somewhat bearded. There are several varieties of this species 

 which were introduced by culture. Ex. 



repe?i5,spikelet oblong, 5-flowered, glumes subulate, many-nerved; florets acu- 

 minate ; leaves flat ; root creeping. Fields. A trouble.some weed. 



TROI.LIUS. 12—13. (RanunculacecE.') [From the German, signifying to roll; so called from 

 U.C roundness of the flower.] 

 america'nus, (globe-flower, y. M. %..) leaves palmate ; sepals 5-10, spreading; 

 petals 5-10, shorter than the stamens; flowers large, terminal; resembles a 

 Ranunculus. Wet grounds. 

 TROP^OLUM. 8-1. {Gerania.) [From iro^jazon, a warlike trophy.] 

 ma'jus, (nasturtion, Indian cress, y. and r. Ju. ©. and 11-.) leaves peltate, sub- 

 repand; petals obtuse, some of them fringed. Ex. 

 TROXIMON. 17—1. {Cichoracea.) [A Greek word, signifying eatable.] 

 glau'cmii, (y. Ju. c?-) scape 1-flowered; leaves lance-linear, flat, entire, glau- 

 cous; divisions of the calyx imbricate, acute, pubescent. 

 TULIPA. C — 1. (Liliaceai.) [The name is said to be of Persian origin, and to signify a turban.] 

 suave'olens, (sweet tulip, M. %.) small; stem 1-flowered, pubescent; flowers 



erect ; petals obtuse, glabrous ; leaves lance-ovate. Ex. 

 gesneria'na, (common tulip, M. '2J-.)stem 1 flowered, glabrous; flower various 

 coloured, erect, petals obtuse, glabrous ; leaves lance-ovate. Ex. The va- 

 rious kinds of tulips which are cultivated, are only varieties of the gcsne- 

 riana. 

 rURRlTIS. 14—2. (CrucifertB.) [From iwrns, a tower.] 

 ova'ta, (w. M. (J.) leaves rough, radical ones ovate, toothed ; cauline ones 

 clasping. 



TUSSILAGO. 17—2. (Corymbifera.) [From tussis, a cough, and ago, to drive away ; so called 

 on account of its medicinal properties.] 

 farfa'ra, (colt's-foot, y. Ap. %.) scape single-flowered, scaly; leaves cordate, 

 angular, toothed, downy beneath. The flower appears long before the 

 leaves. 4-6 i. 

 TYPHA. 19—3. iTyphcR.) 



latifo'lia, (cat-tail, reed-mace, Ju. %.) leaves linear, flat, slightly convex be- 

 neath ; stamin ate and pistillate aments close together. Wet. 4-61. 

 ULDORA. 20—9. (Hydrocfiarides.) 

 canoAcn"sis, (w. Au. %.) leaves whorled, in threes and fours, lanceolate, ob- 

 long or linear, serrulate ; tube of the perianth filiform ; stem submersed, 

 dichotomous. Still waters. Ditch moss. Can. to Virg. 

 ULEX. 16—10. (Leguminosm.) 

 europe'as, ffurze. M. f2.) leaves lance-linear, villose; bracts ovate; branchletS 

 erect 



