TRIPHORA— ULMUS. 



179 



cinal. Rocky woods. 2-3 feet high. N.Y. 

 to Car. 



angustifo'Uum, (y. Ju. H.) stem hairy ; 

 leaves sub connate, lanceolate, acuminate ; 

 peduncles opposite, 1-flowered. 2-3 f. (S\ 



TRIPIIO'RA. 18-1. (OrchidccE.) [From the 



Greek, signifying to bear three flowers.] 



pen"dul(i, (p. S. li) root tuberous; etem 

 leafy, about 3-tlowered at the summit ; 

 leave.s ovate, alternate ; flowers peduncu- 

 late ; stems often in clusters. 4 6 i. Roots 

 of trees. 

 TRIP"SACU\r. 19—3. {Graminca.) 



dacti/loi'dcs, (sesame grass, J. 2^.) spikes 

 numerous (3-4), aggregate ; florets stami- 

 nate near the summit, pistillate below ; 

 spike large. Var. monosta'chyon, spike 

 eolitaiy. 



cyl>ji"dricum, spike solitary, cylindrical, 

 separating into short joints ; flowers all 

 perfect. 

 TR1T"ICUM. 3—2. (Graminea:.) [From tero, 



to thresh.] 



liyhci-" num, (winter-wheat, J. ^ .) calyx 

 glume 4-flowered, tumid, even, imbricate, 

 abrupt, with a short compressed point ; stip- 

 ule jagged ; corollas of the upper florets 

 somewhat bearded. There are several 

 varieties of this species which were intro- 

 duced by culture. Ex. 



(Bsti'vum, (summer wheat, J. 0.) glumes 

 4-fli)wered, tumid, smooth, imbricated, 

 awned. Considered a variety of the hy- 

 ber"iwin. 



compoii"itum, (Egyptian wheat,) spike 

 compound ; spikelets crowded, awned. 

 Few species of wheat, but many varieties. 



iri'colo'rum, stem slender, weak ; flowers 

 red, black, and yellow. Ex. 



re'peiis, spikelet oblong, 5-flowered ; 

 glumes subulate, many-nerved ; florets acu- 

 minate ; leaves flat; root creeping. Fields. 

 A troublesome \veed. 



paucijlo'rum, spike erect, simple ; spike- 

 lets about 2-flowered: culm terete, simple, 

 leafy, striate, smooth ; leaves somewhat 

 glaucous, ribs and margin scabrous. 2 f 



TROL"LIUS. 12—12. (Ranunuilcea.) [From 

 the German, signifying to roll; so called 

 from the roundness of the flower.] 

 america' nH'<, (globe-flower, y. M. li.) 

 leaves palmate; sepals 5-10, spreading; 

 petals 5-10, .shorter than the stamens ; flow- 

 ers large, terminal; resembles a ranuncu- 

 lus. Wet grounds. 



TROl'yEO'LUM. 8—1. (Gerania.) [From 

 tropaion, a warlike trophy.] 

 mi/'jits, (nasturtion, Indian cre.«is, y. and r. 

 Ju. ^. and 2^.) leaves peltate, .sub repand; 

 petals obtuse, some of them fringed. Ex. 

 percgri' num, (canary-bird flower,) flow- 

 ers numerous, pale yellow. Ex. 



TROXI'MON. 17—1. {Cichoracect.) [A Greek 



word, signifying eatable.] 



glau'cuin, (y. Ju. ,^.) scape 1-flowered; 

 leaves lance-linear. Hat, entire, glaucous ; 

 divisions of the calyx imbricate, acute, pu- 

 bescent. 

 rU'LlPA. 6—1. (Liliacea:) [The name is 



said to be of Persian origin, and to signify a 



turban.] 



suave'olens, (sweet tulip, M. 21.) small , 

 stem 1-flowered, pubescent; flowers erect; 

 petals obtuse, glabrous ; leaves lance- 

 ovate Ex. 



gesnyria'na, (common tulip, M. 2^.) stem 

 1-iiowerod, glabrous ; flower various-col- 

 ored, erect; petals obtuse, glabrous; leaves 

 lance-ovate. Ex. The various kinds of 

 tulips which are cultivated, are only varie- 

 ties of the ^esneria'na. 



sylves"tris, (y. wild French tulip,) flow- 

 ers very fragrant. 



prce'cox, (Van Thol's tulip,) a dwarf spe- 

 cies, flowers generally in March or April. 



TTJL"LIA. 13—1. (LabialecE.) [In honor of 

 Prof. Tully, of New Haven, Conn.] 

 pycnan" Ihemoi' des, (false mountain mint, 

 r-p. Au. 2^.) leaves tapering to the base, 

 remotely toothed, ovate, acuminate, hoary 

 above and glaucous beneath ; bracts of the 

 striate calyx subulate. 2-3 f Tcnnes-see. 

 TURRI'TIS. 14—2. (Crucifera.) [From tur- 

 ris, a tower.] 



ova'td, (w. M. $ .) leaves rough, radical 

 ones ovate, toothed, cauline ones cla.sping. 



gla'bra, erect; radical leaves petioled, 

 dentate, upper ones broad-lanceolate, sagit- 

 tate, glabrous, semi-amplexicaul, glaucous ; 

 legume narrow-linear, stiffly erect; petals 

 scarcely longer than the calyx. Naturalized 

 about New Haven. Hudson's Bay. 

 TUSSILA'GO. 17—2. {Corymbiferm.) [From 

 tussis, a cough, and a;{0, to drive away ; so 

 called on account of its medicinal proper- 

 ties.] 



farfu'ra, (colt's foot, y. Ap. 2^.) scape 

 single-flowered, scaly; leaves cordate, an- 

 gular, toothed, downy beneath. The flower 

 appears long before the leaves. 4-6 i. 



fiig"ida, (y. M. 2^.) thyrse fastigiate, 

 many-flowered, bracteate ; leaves round- 

 ish cordate, unequally toothed, tomentose 

 beneath. 5-10 i. Mountains. 



sagitla'ta, [li.) thyrse ovate, fa.stigiate ; 

 leaves radical, oblong, acute, sagittate, en- 

 tire ; lobes obtuse. 

 TY'PIIA. 19—3. (Typha.) 



lutifo'lia, (cat-tail, reed-mace, Ju. 2.^.) 

 leaves linear, flat, slightly convex beneath ; 

 staminate and pistillate aments close toge- 

 ther. Wet. 4 6 i. 

 UDO'RA. 20—9. (Hydrochandes.) 



canaden"siA, (w. Au. 2^.) leaves whorled, 

 in threes and fours, lanceolate, oblong or 

 linear, serrulate ; tube of ihe perianth fili- 

 form ; stem submersed, dichotomous. Still 

 waters. Ditch moss. Can. to Vir. 

 U'LEX. 16—10. (Leguminosa.) 



cxcrope'us, (furze M. I? .) leaves lance-lin- 

 ear, villose ; bracts ovate ; branchlets erect 

 stricf'ta, (Irish furze, y.) without spines. 

 8-10 f. Ex. 



na'na, (y.) seldom exceeds two feet in 

 height. Gravelly soils. Ex. 

 UL"MUS. 5—2. (Amentacccr..) 



america'na. (elm, white-elm, g-p. Ap. b.) 

 branches smooth ; leaves oblique at the 

 ba.se, having acum'uate serratures a littln 

 hooking; flowers pedicelled ; fruit fring*»d 

 with dense down. Var. pci^ duUi,\\\i'i\\\\.\\^- 

 ing branches and smoothish leaves. 4u 70 



