118 



LAURUS— LEMNA. 



flowered, tendrils with 2 and 4 leafets ; 

 legumes ovate, compressed, with two nar- 

 row wings on the back. Ex. 



grandijlo'ru'x, {11.) remarkable for the 

 .arge size of its flowers. Ex. 



tingUa'nus, (tangier pea,) a tall plant, 

 the flowers of which are dark purple. Ex. 



magenan"icns, (21.) the foliage very 

 beautiful with blue flowers. Ex. 



j)i(sir^lu$, (p. M.) cirrhi 2-leaved, simple ; 

 leaves linear lanceolate, peduncles 1-flow- 

 ered, long ; stipules falcate ; stem angled 

 and winged. S. 



decaphyriu!^, (p. 2X) leaves in 5 pairs ; 

 leafets oval-oblong, mucronate ; peduncles 

 3-4-flovvered ; stem 4-angled. S. 



LAU'RUS. 9—1. (Lauri.) [From lavs, praise, 

 because it was used to crown the heads of 

 distinguished persons.] , 



hen"zoin, (spice bush, fever busli, g. y. 

 A.p. 1?.) leaves wedge-obovate, whitish, sub- 

 pubescent beneath ; flowers in clustered 

 umbels; buds and pedicels glabrous. 4-10 f. 

 sas"safras, (sassafras-tree, y. M. ^.) 

 leaves entire and lobed on the same plant ; 

 flowers mostly dioecious. 10-25 f. 



corolm"ensis, leaves perennial, oval, lan- 

 ceolate, coriaceous, glaucous beneath; ped- 

 uncles simple, terminated with a few-flow- 

 ered fascicle; outer segments of the calyx 

 half as long as the inner. A large shrub. 

 Flowers polygamous, in smaU clusters, pale 

 yellow ; drupe dark blue. From Georgia 

 to Delaware. 



perse' a, aUigator pearof the West Indies, 

 an eatable fruit. 



cinnaino'mim, the inner bark affords th •. 

 cinnamon of commerce. Indies. 



no'hili!^, leaves veined, lanceolate and 

 perennial ; flowers 4-cleft. This is the pn- 

 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, ^.) leavrs 

 about 3-nerved, lance-ovate ; panicle spread- 

 ing. From Japan. 



cestiva'lis, leaves veined, oblong, acumi- 

 nate, rugose underneath ; branches axillary 

 above. *S. 



catesbya'na, (w. M. 1? .) panicles on short 

 peduncles ; segments of the corolla oblonfT, 

 obtuse, nearly equal, deciduous; leaves pe 

 rennial, broad lanceolate. 6 9 f S. 



gemcnla'ta, (y. Ap. ^ .) stem dichotomoun, 

 flexuous; flowers in umbels ; leaves small, 

 oval, smooth. 10-15 f. S. 



melissicfo'lia, (y. A p. It.) root creeping; 

 leaves cordate-lanceolate, strongly veined, 

 pubescent beneath; flowers in clustered 

 umbels ; buds and pedicels villose. 2-3 f. (S. 



LAVANDU'LA. 13—1. (Lahiata.) [From 

 lavo. lo wash, so called, because, on account 

 of its perfume, it was used in baths.] 

 spica'ta, (lavender, Au. H.) leaves ses- 

 sile, lance-linear, with revolute margins; 

 spike interruptedly naked. Ex. 



LAVATE'RA. 15—12. (Malvacece.) [In hon- 

 or of Lavater, a celebrated writer on physi- 



ognomy.] 



Ayimen'^sis, (red lavatera.) 



lower leaves 



angled ; upper ones 3-lobed, with the mid- 

 dle lobe longest ; peduncles solitary. 2 £ 

 Introduced. 



arho'vea, (tree-mallows, S. $ .) stem 

 woody ; leaves downy, plaited, 7-angled ; 

 flowers large, purplish, rose-color, darkor 

 on the base, on aggregated, axillary stalks 

 Ex. 



thurin"gia'ca, (gay mallows, 7X-\ pedun- 

 cles solitary ; lower leaves angled ; upper 

 ones 3-lobcd, the middle lobe longest. 



LECIJE'A. 3—3. 



vm'jor, (pin-weed, g-p. Ju. 11.) erect, hir- 

 sute ; leaves lance-oblong, mucronate ; pan 

 icle leafy ; branches bearing flowers at 

 their tops ; flowers in fascicled racemes, 

 one-way, 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. 



thymifo'lia, (Ju. 1^.) 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'DUM. 10—1. (Ericece.) [From the Zerfon 



of the ancient Greeks, supposed to have 



been a species of Cistus.] 



latifo'Uurn, (Labrador tea, w. r. J. 2Lf.) 

 '.eaves oblong, replicate at the margin, fer- 

 ruginous, tomentose beneath ; stamens 5, 

 as long as the corolla. Evergreen shrub, 

 irregularly branched, woolly ; flowers in 

 long, terminal corymbs. 



palus"tre, leaves linear, revolute on the 

 margin ; stamens 10, longer than the corol- 

 la. A shrub smaller than the preceding 

 with narrower leaves. 



buxifo'Ua, a small compact-growing plant 

 with box-like leaves; clusters of white 

 flowers, petals tinged with pink. 



LEER"SIA. 3— 2. (Graviinea.) [In honor of 

 Leers, who wrote on botany in 1775] 

 virg'm"ica, (white grass, Ju. y. y.) pani- 

 cle simple ; the lower branches diftuse; 

 flowers appressed, monandrous, sparingly 

 ciliate on the keel. 2-4 f. 



oryzoi'des, (cut gras.s, Au. 2^.) panicle 

 diCFuse, sheathed at the base ; flowers tri 

 Aindrous, spreading; keel of the g-kimes 

 conspicuously ciliate. 3-5 f. 



len"ticida'ris, (catch-fly grass, Ju. 11 !) 

 panicle erect; flowers lai^e, nearly orbic 

 ular, diandrous, imbricate ; keel and nerves 

 ciliate, 2-4 f. 



LEIOPIIYL"LUM. 10—1. {Encece.) [From 



leios. smooth, and phuUon, leaf.] 



bi'xtfo'liiim, (sa.nd inyrtle,w. ^ .) leave, 

 small, lance-oval, entire, glabrous, lucid, 

 revolute at the margin; corymbs terminal 

 6-18 i. 

 LEM"NA. 19—2. (Naides.) [From Ir.mo, de 



prived of bark.] 



trisuV'ca, (duck's meat, 0. f.) fronds thin, 

 elliptic-lanceolate, caudate at one extremi- 

 ty, at the other serrate ; root a single fibre. 

 Young fronds produced from lateral clefts, 

 of the same shape as the parent plant, and 



