TILIA— TRIFOLIUM. 
177 
ed ; two outer petals longer than the other 
four ; leaves ensiform, nerved. Mexico. 
T1L"IA. 12-1. (TiliacecB.) iFrom ptelea, the 
Greek name.] 
gla'bra, (bass-wood, 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 base. 
puhea 'cens, (y-w. Ju. ^ .) leaves truncate 
at the base, sub-cordate, oblique, denticu- ! 
late-serrate, pubescent beneath ; petals 
emarginate ; nut globose, smooth. Var. 
leptophvl"la, leaves lax, serrate, very thin. 
laxijio'ra, (M. 2/.) leaves cordate, gradu- 
ally acuminate, serrate, membranaceous, 
smooth ; panicles loose ; petals emarginate ; 
styles longer than the petals ; fruit globose. 
Near the seacoast. 
li£f.erophyl"la, (J leaves ovate, atba.se 
oblique or equally truncate and cordate, 
perrate, white-tomentose beneath ; fruit glo- 
bose. S. 
TILLAND"SIA. 6—1. (Narcissi) [Named; 
from Tillandsius, professor of Medicine at 
Albo.] 
ntricnla'ta, (wild pine, bladder tillandsia, 
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\ 
nsneoi'des, stem gray, diffuse, 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 ; 
scape setaceous, longer than the leaves, 
generally 2-flowered at the summit. .S. 
TiPULA'RIA. 18—1. (Orchidece.) 
di^co'lor, (w. Au.) leaf solitary, plaited, 
and longitudinally-nerved ; flower in nod- 
ding racemes. 
TOFIEL"DIA. 6—3. 
pubes"cens, (p-w. Ju. 21-) leaves .sub-rad- 
ical, ensiform, narrow, smooth ; rachis and 
pedicels scabrous ; spike oblong, inter- 
rupted ; scape 18 i. Swamps. 
glutino'sa, [11. ) scape and pedicels glu- 
tinous, scabrous ; spike with a few alternate 
fascicles ; capsule ovate, twice the length 
of the calyx. 
glaber"rima, (w. Oc. 21.) very glabrous; 
leaves linear, gladiate ; flowers racemed ; 
buds approximate, nearly whorled ; l-How- 
ered. 
gla'bra, (g-w.) scape terete ; leaves linear, 
ensiform; spike oblong, short, den>e ; ped- 
uncled, solitary, angular; capsules mem- 
branaceous. 8-10 i. S. 
TRADESCAN"TIA. 6-1. (J<>n<i.) [From 
John Tradescani..] 
virgiii'ica, (spider- wort, b-p. M. 11.) 
erect, branching ; leaves lanceolate, elon- 
gated, glabrous; flowers se-ssile; umbel 
compact, pubescent. Cultivated. 1-2 f. 
rosefa, flowers smaller than the prece- 
ding ; inner segments rose-colored, longer 
than the outer. 
TllA'GIA. 19— 3. (Euphorhea.) [Named after 
a famous German herbalist.] 
ram(>')ia, .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. 24^.) erect; leaves lanceolate, 
sessile, obtuse, sub dentate at the apex; 
stem and branches pubescent. Var. .^nibovni 
lis, leaves oblong oval, sometimes wedge- 
form. Var. la/i.rcola'/.a, leaves lanceolate, 
sub-dentate, and entire. »S^. 
nrticifn'lin , (Ju. @.) stem erect, hirsute \ 
leaves cordate, ovate, .serrate, alternate, 
short-petioled. 12-18 i. Dry soils. _ 
macrocar"pa, (Ju. climbing, hispid; 
leaves deeply cordate, ovate, dentate. 6^. 
TRAGOPO-'GON. 17—1. (Cichnracece.) [From 
tragos, a goat, and pogon, beard, .so called 
from its downy seed.] 
porrifo'livm, (vegetable-oyster, goat beard, 
salsify, p. Ju. $ .) calyx longer than the rays 
of the corolla ; the florets very narrow, 
truncate ; peduncles incrassate. Ex. 
pra'feri'sis, (go to bed-at-noon, y. ^ .) has 
large flowers, which close in the middle of 
the day. and a curious, feathery head of 
seeds. 15 x. 
TRETOCAR'TUS. .5-2. (Umbelhferrcc.) 
cetlni'sfE, (w.) umbels 5-rayed ; fruits four 
times as long as broad ; leaves many-cleft, 
with linear lobes. Arkansas. 
TR1B"TILUS. 10—1 {Butacpcp..) 
max"imus, (y. Ju.) leaves pinnate ; leafets 
about 4-pairs, outer ones largest; pericarps 
10-.seeded, not .spiny. 1-2 f. 
trijiiga'lua, (y. @.) leafets in 3 pairs, ter- 
minal ones largest, pubescent beneath ; cap- 
sules 5, 1 -seeded, muricate, spineless. 
TRl'CHO'PllYL"LnM. 17—2. (Corymbifera.) 
[From Ihrix, hair, and phuUon, a leaf.] 
lana'tiiin, (y. Ju. 2^.) woolly in all parts; 
leaves linear, pinnatifid above; peduncles 
elongated, 1-flowered ; rays 2-toothed ; 
akenes glabrou.i, 5-angled. 
oppo^itifo'lvnn, (Ju. ZI.) decumbent, 
branching, short, hoary-pubescent ; leaves 
I opposite, palmate, 3-cleft ; segments ligu- 
I late, sim]>le, or divided ; peduncle filiform, 
mo.^tly dichotomous, scarcely longer than 
the leaves. 6 - 12 i. S. 
TRI'CHOSTE'MA. 13—1. (Labiafcc.) [From 
tnchos, hair, and sterna, stamens.] 
dichoi/'oma, (blue curls, b. Au. leaves 
lance-ovate ; branches flower-bearing, 2- 
forked ; staujens very long, blue, curved. 
Var. fo'/teaW.s, somewhat pubescent; leaves 
linear. 6-12 i. 
TRIENTA'LIS. 7—1. (Lysimarhtop.) 
america' na, (chick wiutergreen, w. Ju 
IX.) leaves lanceolate, serrulate, acuminate; 
petals acuminate. 3 6 i. 
TRIFO'LIUM. 16—10. (Leguminoscc.) [From 
ires, three, folium, leaf.] 
re'pens, (white-clover, w. M. 2/ ) creep- 
ing ; leafet.s ovate oblong, emarginate, ser 
I rulate ; flowers in umbelied heads ; teeth of 
i the calyx sub-e qual ; legumes 4-eeeded. 
