424 
LAURUS— LEMNA. 
flowered, tendrils with 2 and 4 leafets ; 
eguraes ovate, compressed, with two nar- 
row wings on the back. Ex. 
gravd'ijlo'riis, (IX-) remarkable for the 
.arge s'ze of its flowers. Ex. 
tingita'nns, (tangier pea,) a tall plant, 
the flowers of which are dark purple. Ex. 
magellim"icu!i, (2i.) the foliage very 
beautiful with blue flowers. Ex. 
■fjusit'lus, (p. M.) cirrhi 2-leaved, simple ; 
leaves linear lanceolate, peduncles 1-flow- 
ered, long , stipules falcate ; stem angled 
and winged. S^. 
decaphyV'lus, (p. 11. ) leaves in ."i pairs ; 
leafets oval-oblong, mucronate ; peduncles 
3-4-flowered ; stem 4-angIed. S. 
LAUTtllS. 9—1. (Laun.) [From laus. praise, 
because it was used to crown the heads of 
distinguished persons.] 
hen"zmn, (spice bush, fever bush, g. y. 
Ap. 1p .) leaves wedge-obovate, whitish, .sub- 
pubescent beneath ; flowers in clustered 
umbels; buds and pedicels glabrous. 4-10 f. 
xas"safras, (sassafras-tree, y. M. ^.) 
leaves entire and lobed on the same plant ; 
flowers mo.st]y dicpcious. 10-25 f 
carolin"ensis. leaves perennial, oval, lan- 
ceolate, coriaceous, glaucous beneath; ped- 
uncles simple, terminated with a few-ilow- 
ered fascicle; outer segments of the calyx 
half as long as the inner. A large shrub. 
Flowers polygamous, in small clusters, pale 
yellow ; drupe dark blue. From Georgia 
to Delaware. 
perse' a, alligator pear of the West Indies, 
an eatable fruit. 
cinnmao'mim, the inner bark affords th". 
cinnamon of commerce. Indies. 
no'bilis, leaves veined, lanceolate and 
perennial ; flowers 4-cleft. This is the pr>- 
et's laurel, the fabled favorite of Apol'o. 
It is a handsome evergreen shrub ; berries 
and leaves fragrant. Native of Italy. 
camphoratus, (camphor-tree, leaves 
about 3-nerved, lance-ovate ; panicle spread- 
ing. From Japan. 
osstiva'lis, leaves veined, oblong, acumi- 
nate, rugose underneath ; branches axillary 
above. S. 
cateshya'na, (w. M. ^ .) panicles on short 
peduncles ; segments of the corolla oblonji^, 
obtuse, nearly equal, deciduous; leaves pe- 
rennial, broad-lanceolate. 6 9 f S. 
gemcnla'ta, (y. Ap. ^ .) stem dichotomouo, 
flexuous; flowers in umbels ; leaves small, 
oval, smooth. 10-15 f. iS^. 
melissmfo'Ua, (y. Ap. 11.) root creeping; 
weaves cordate-lanceolate, strongly veined, 
pubescent beneath ; flowers in clustered 
umbels ; buds and pedicels villose. 2-3 f. S. 
LAVANDU'LA. 13—1. (Labiata.) [From 
lavo, to wash, so called, because, on account 
of its perfume, it was used in baths.] 
spica'ta, (lavender, Au. 2_f.) leaves ses- 
eile, lance-linear, with revolute margins ; 
epike interruptedly naked. Ex. 
LAVATE'RA. 15—12. (Malvacea.) [In hon- I 
or of Lavater, a celebrated writer on pliysi- | 
ognomy.] I 
trimen'^sis, {rcC- Lavatera.) lower leaves ; 
angled ; upper ones 3-lobed, with the mid 
die lobe longest ; peduncles solitary. 2 I 
Introduced. 
arbo'rea, (tree-mallows, S. $ .) steir 
woody ; leaves downy, plaited, 7-angled , 
flowers large, purplish, rose-color, darker 
on the base, on aggregated, axillary stalks 
Ex. 
fhuriu"gia'ca, (gay mallows, 2X-) pednn 
cles solitary ; lower leaves angled ; uppe: 
ones 3 lobed, the middle lobe longest. 
LECilE'A. 3—3. 
mafjor, (pin-weed, g-p. Ju. 2^.) erect, hir- 
sute ; leaves lance oblong, mucronate ; pan 
icle leafy ; branches bearing flowers al 
their tops ; flowers in fascicled racemes, 
one-wa5',on short pedicels. Dry woods and 
hills. 1-2 f 
mi'nor, stem assurgent, smoothish, branch- 
ed ; leaves linear-lanceolate, acute ; pani- 
cle leafy ; branches elongated ; flowers 
racemose. 8 i. 
Ihymij'o'Ua, (Ju. 2^!.) whole plant whitish 
villose ; stem erect ; pedicels very short; 
leaves linear, acute ; panicle leafy, elonga- 
ted ; branches very short ; flowers minute, 
in lateral and terminal fascicles. 1 f. 
LE'IHIM. 10— I. lEricece.) [From the ledon 
of the ancient Greeks, supposed to have 
been a species of (Jistus ] 
latifo'Uiim, (Labrador tea, w. r. J. 2/.) 
'.eaves oblong, replicate at the margin, fer- 
ruginous, tomentose beneath ; stamens 5, 
as long as the corolla. Evergreen slirnb, 
irregularly branched, woolly; flowers in 
long, terminal corymbs. 
pulus"ire, leaves linear, revolute on the 
margin ; stamens 10, longer than the corol- 
la. A shrub smaller than the preceding 
with narrower leaves. 
bnxifo'lia, a small compact-growing plant 
with box-like leaves; clusters of whita 
flowers, petals tinged with pink. 
LEER"SIA. 3—2. (Graminea.) [In honor of 
Leers, who wrote on botany in l.wO.] 
virgiu"ica, (white grass, Ju. y. 2.^.) pani- 
cle simple ; the lower branches LMlfufse , 
flowers appressed, monandrous, sparingly 
ciliate on the keel. 2-4 f. 
oryzoi'des, (cut grass, Au. 2/.) panicle 
dilFuse, sheathed at ihe base ; flowers tri 
Hudrous, spreading; keel of the g:kime» 
conspicuously ciliate. 3-5 f. 
lcn"ticida'ris, (catch-fly grass, Ju. 2X., 
panicle erect ; flowers large, nearly orbic 
ular, diandrous, imbricate , keel and nerve* 
ciliate. 2-4 i. 
LEIOPHYL"LUM. 10— I, {Ericem) [From 
leios, smooth, ?iX\d phuUoH, leaf.] 
biixifo'linvi, (sand myrtle, w. ^ .) leave 
small, lance-oval, entire, glabrous, lucid, 
revolute at the margin ; corymbs terminal 
6-18 i. 
LEM"NA, 19—2. {Naides.) [From /mo, de 
prived of bark.] 
trisuVca, (duck's meat, f.) fronds thin 
elliptic-lanceolate, caudate at one extremi- 
I ty, at the other serrate ; root a sing.e fibre 
I Young fronds produced from lateral clefts, 
; of the same shape as the parent plant, aarf 
