TILIA— TRIFOLIUM. 
488 
; two outer petals longer than the other 
four ; leaves ensit'onn, nerved. Mexico. 
T1L"IA. 12-1. (Tiliacea:.) [From ptelea, the 
Greek name.] 
ghi'hra, (bass-wooJ, lime-tree, y-w. Ju. 
^.) leaves round-cordate, abruptly acumin- 
ate, .sharply serrate, sub-coriaceous, glab- 
rous ; petals truncate at the apex, crenate ; 
style about equalling the petals ; nut ovate. 
Large tree. Wood .soft and white. Leaves 
often truncate at the ba.se. 
jiubes 'cens, (y-w. Ju. ^ .) leaves truncate 
at the base, sub-cordate, oblique, denticu- 
tate-.serrate, pubescent beneath; petals 
emarginate ; nut globo.se, smooth. Var. 
leptophyI"hi, leaves lax, serrate, very thin. 
Jaxifki'rn, (M. 2X-) leaves cordate, gradu- 
ally acuminate, serrate, mcmbranaceou.s, 
smooth ; panicles loose ; petals emarginato ; 
styles longer than the petals ; fruit globose. 
Near the seacoast. 
lieteroj)hyl"la, (J ^ .) leaves ovate, atba.se 
oblique or equally truncate and cordate, 
serrate, white-tomentose beneath ; fruit glo- 
bose. S. 
T1LLAND"SIA. 6—1. (Narcissi) [Named 
from Tillandsius, professor of Medicine at 
Aibo.] 
uti~vcnla'ta, (wild pine, bladder tilland.sia, 
w.) leaves concave, broad, their base en- 
larged ; panicle branching ; flowers sessile ; 
stamens longer than the corolla. 3 f. The 
Leaves are often found containing nearly a 
pint of water. (S\ 
tisiieoi'des, stem gray, difru.se. filiform, 
pendulous, branching. Parasitic. From 
its peculiar appearance, suspended from 
trees to which it has fastened itself, it is 
called old man's beard. 
recurva'ta, (p.) leaves subulate, recurved ; 
ecape setaceous, longer than the leaves, 
generally 2-flov/ered at the summit. S. 
TIPULA'RIA. 18—1. (OrchidecB.) 
disco'lor, (w. Au.) leaf solitary, plaited, 
and longitudinally-nerved; flower in nod- 
ding racemes. 
TOFIEL"D!A. 6-3. 
pnbes"cens, (p-w. Ju. 2i.) leaves sub-rad- 
ical, ensiform, narrow, smooth ; rachis and 
pedicels scabrous ; spike oVjlong, inier- 
rupted ; scape 18 i. Swamp.s. 
giutino'sa, {IX ■) scape and pedicels glu- 
tinous, scabrous ; spike with a few alternate 
/"ascicles; capsule ovate, twice the length 
of the calyx. 
glaber"rima, (w. Oc. 21.) very glabrous; 
leaves linear, gladiate; flowers racemod ; 
bud.s approximate, nearly whorled; 1-flow- 
ered. S. 
gla'bra, (g-w.) scape terete ; leaves linear, 
ensiform ; spike oblong, short, dense ; ped- 
nncled, solitary, angular; cap.sules mem- 
branaceous. 8-10 i. S. 
TBADESCAN"TIA. 6-1. {J unci.) [From 
John Tradescant] 
virg'at'ica, (spider-wort, b-p. M. If.) 
erect, branching ; leaves lanceolate, elon- 
gated, glabrous; flowers sessile; umbel 
compact, pubescent. Cultivated. 1-2 f. 
rosda. flowers smaller than the prece- 
ding ; inner segments rose-colored, longei 
than the outer. 
TRA'GFA. 19— 3. (Ewphorbem.) [Named aftej 
a famous German herbalist.] 
ramo'aa, stem herbaceous, pilose, very 
branching ; leaves petioled, lance-ovate 
sharply serrate, hirsute beneath, sub-cor- 
date at the base ; racemes axillary, filiform, 
few-flowered. 8 i. 
u'rens, (Ju. 2X-) erect; leaves lanceolate, 
sessile, obtuse, sub dentate at the apexj 
stem and branches pubescent. Var. snbovai 
1 lis, leaves oblong oval, sometimes wedge- 
: form. Var. lanceola'ta, leaves lanceolate 
sub-dentate, and entire. S. 
urticifn'lio, (Ju. 0.) stem erect, hir.sute , 
leaves cordate, ovate, serrate, alternate, 
short-petiolcd. 12-18 i. S. Diysoijs.^ 
macrocar"pa, (Ju. @.) climbing, hispid; 
leaves deeply cordate, ovate, dentate. iS 
TRAGOPO'GON. 17—1. (CichoracecB.) [From 
tragos, a goat, and pogon, beard, so called 
from its downy .seed.] 
porrifo'linm, (vegetable-oyster, goat beard, 
salsify, p. Ju. ^ .) calyx longer than the rays 
of the corolla ; the florets very narrow, 
truncate ; peduncles incrassate. Ex. 
pra'terd'sis, (go to bed-at-noon, y. ^ .) has 
large flowers, which close in the middle of 
the day, and a curious, feathery head of 
seed.s. Ex. 
TRE'POGAR"PUS. 5—2. {Umbelliferecc.) 
CEthn'sce, (w.) umbels 5-rayed ; fruits four 
times as long as broad ; leaves many-cleft, 
with linear lobes. Arkansas. 
TR1B"ULUS. 10—1. (Butacem.) 
m<ix"imns, (y. Ju.) leaves pinnate ; leafeta 
about 4-pairs, outer ones largest ; pericarps 
10-sceded, not spiny. 1-2 f. 
trijnga'tui^, (y. @.) leafets in 3 pairs, ter- 
minal ones largest, pubescent beneath ; cap- 
sules 5, 1 seeded, muricate, spineless. 
TR1'CH0'PHYL"LUIVI. 17—2. (Corymbiferm.) 
[From thrix, hair, and phullon, a leaf.] 
latia'tnm, (y. Ju. 2/.) woolly in all parts; 
leaves linear, pinnatifid above ; peduncles 
elongated, 1-flowered ; rays 2-toothed ; 
akenes glabrou.s, 5-angled. 
oppo^itifo'lhim, (Ju. 21.) decumbent, 
branching, short, hoary- pubescent ; leaves 
opposite, palmate, 3-cleft ; segments ligu- 
late, simple, or divided ; peduncle filiform, 
mostly dichotomous, scarcely longer than 
the leaves. 6-12 i. 8. 
TP GHOSTE'lVIA. 13—1. {Labiatcc.) [From 
trii^'ios, hair, and sterna, stamens.] 
dichot"oma, (blue curls, b. Au. 0.) leaves 
lance-ovate ; branches flower-bearing, 2- 
forked ; stamens very hnig, blue, curved. 
Var. Zf/imWs, somewhat pubescent; leaveg 
linear. 6-12 i. 
TRIENTA'LIS. 7—1. {Lysimachicp.) 
america'na, (chick wintergreen, w. Jv 
2.^.) leaves lanceolate, serrulate, acuminate 
petals acuminate. 3 6 i, 
TRIFO'LIUM. 16—10. (Leguminosa.) [Frouh 
trtiSf three, folium, leaf.] 
re' pens, (white-clover, w. M. 24..) crecj/ 
ing; leafets ovate oblong, emarginate, ser 
I rulate ; flowers in umbelled heads ; teeth oi 
! the calyx sub-tqual ; legumes 4-seeded. 
