TRIPHORA— ULMUS. 
179 
cinal, B.ocky woods. 2 3 feet high. N. Y. 
to Car, 
angustifo'lium, (y. Ju. IX-) stem hairy ; 
leaves sub connate, lanceolate, acuminate ; 
peduncles opposite, 1 -flowered. 2-3 f. S. 
TRIPHO'RA. 18-1. (Orchidex.) [From the 
Greek, signifying to bear three flowers.] 
penf'dula, (p. S. 2|.) root tuberous; stem 
leafy, about 3-flowered at the summit ; 
leaves ovate, alternate; flowers peduncu- 
late ; stems often in clusters. 4-6 i. Roots 
of trees. 
TRIP"SACUM. 19—3. (Graminea.) 
dactyloi'des, (sesame grass, J. 11 •) spikes 
numerous (3 4), aggregate ; florets stami- 
nate near the summit, pistillate below ; 
spike large. Var. monosta'chyon, spike 
solitary. 
cylin" dricum, spike solitary, cylindrical, 
separating into short joints ; flowers all 
perfect. 
TR1T"ICUM. 3—2. {Gramine(£.) [From tero, 
to thresh.] 
hyber"num, (winter-wheat, J. ^ .) calyx 
glume 4-flowered, tumid, even, imbncate, 
abrupt, with a short compressed point ; stip- 
ule jagged I corollas of the upper florets 
somewhat bearded. There are several 
varieties of this species which were intro- 
duced by culture. Ex. 
ceati'vum, (summer wheat, J. 0.) glumes 
4-flowered, tumid, smooth, imbricated, 
awned. Considered a variety of the hy- 
compos"itum, (Egyptian wheat,) spike 
compound ; spikelets crowded, awned. 
Few species of wheat, but many varieties. 
tri'colo'rum, stem slender, weak ; flowers 
red, black, and yellow. Ex. 
re'penst, spikelet oblong, 5-flowered ; 
glumes subulate, many-nerved ; florets acu- 
minate ; leaves flat; root creeping. Fields, 
A troublesome weed. 
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. IQ— 12. (Ranunculcece.) [From 
the German, signifying to roll; so called 
from the roundness of the flower.] 
ameyica'nun, (globe-flower, y. M. 2^.) 
leaves palmate ; sepals 5-10, spreading ; 
petals 5-10, .shorter than the stamens ; flow- 
ers large, terminal ; resembles a ranuncu- 
lus. Wet grounds. 
TR01\'E0'LTJM. 8—1. {Gerania.) [From 
tropaion, a warlike trophy.] 
ma'jus, (na.sturtion. Indian cress, y. and r. 
Ju. @. and 2^.) leaves peltate, sub-repand ; 
petals obtuse, some of them fringed. Ex. 
peregri'num, (canary-bird flower,) flow- 
ers numerous,»pale yellow. Ex. 
TROXPMON. IT— 1. (Cichoracea.) [A Greek 
word, signifying eatable.] 
ghm'aim, (y. Ju. ,^.) scape 1 flowered ; 
leaves lance-linear, flat, entire, glaucous ; 
divisions of the calyx imbricate, acute, pu- 
bescent. 
TU'LIPa. 6—1. (Liliacea.) [The name is 
said to be of Persian origin, and to signify a 
turban.] 
36* 
mave'olena, (sweet tulip. M. 21.) small ; 
stem 1-flowered, pubescent; flowers erect; 
petals obtuse, glabrous ; leaves lance- 
ovate Ex. 
gesn:ria'na, (common tulip, M. 2^.) stem 
1-flowered, glabrous ; flower various-col- 
ored, erect; petals obtuse, glabrous; leaves 
lance-ovute. Ex. The various kinds of 
tulips which are cultivated, are only varie- 
ties of the gesneria'na. 
sylves"tns, (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. (LabiatecE.) [In honor of 
Prof. I uUy, of New Haven, Conn.] 
pycnati"lhemoi' des, (false mountain mint, 
r-p. Au. 11.) leaves tapering to the base, 
remotely toothed, ovate, acuminate, hoary 
above and glaucous beneath ; bracts of the 
striate calyx subulate. 2-3 f. Tennessee. 
TURRI'TIS. 14—2. (Crucifera.) [From tur- 
ris, a tower.] 
ova'ta, (w. M. ^ .) leaves rough, radical 
ones ovate, toothed, cauline ones clasping. 
gla'hra, eiect; 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^o, to drive away ; so 
called on account of its medicinal proper- 
ties.] 
farfa'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. 
fng"ida, (y. M. IX. ) thyrse fastigiate, 
many-flowered, bracteate ; leaves round- 
ish cordate, unequally toothed, tomentose 
beneath. 5-10 i. Mountains. 
sagitta'ta, {24..) thyrse ovate, fastigiate ; 
leaves radical, oblong, acute, sagittate, en- 
tire ; lobes obtuse. 
TY'PHA. 19—3. (Typha.) 
latifo'lia, (cat tail, reed-mace, Ju. TlI) 
leaves linear, flat, slightly convex beneath ; 
staminate and pistillate aments close toge- 
ther. Wet. 4-6 i. 
UDO'RA. 20—9. (Hydrochandes.) 
canaden"sis, (w. Au. 24..) leaves whorled, 
in threes and fours, lanceolate, oblong or 
linear, serrulate ; tube of the perianth fili- 
form ; stem submersed, dichotomous Still 
waters. Ditch-moss. Can. to Vir. 
U'LEX. 16—10. (Leguminosa.) 
europe'us, (furze M. ^ .) leaves lance-lin- 
ear, villose ; bracts ovate ; branchlets erect. 
stric"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. (Amentacea.) 
america'na, (elm, white-elm, g-p. Ap. 1^.) 
branches smooth ; leaves oblique at the 
base, having acuminate serratures a little 
hooking; flowers pedicelled ; fruit fringed 
with dense down. Var. 7?e//'(i?/Zfl, has hang - 
ing branches and smoothiHh leaves. 40-70 
