112 
LIQUID AMBER—LONICERA. 
LIQUID AMBER. 19—13. ( Amentacecb .) [From liquidum , fluid, and amber , fragrant, alluding 
to the gum which distils from this tree.] 
styracijlu'a , (sweet gum-tree, M. Ty) leaves palmately-lobed ; lobes acuminate, 
serrate, with sinuses at the base of veins, villose. A resinous juice called 
liquid amber , is obtained by wounding the bark of this tree. By boiling the 
leaves a different gummy substance, called liquid storax , is obtained. 
LIRIQDENDRQN. 12—13. ( Magnolia .) [From leiron, a lily, and dendron, a tree.] 
tulipif"era , (white wood, tulip-tree, y-r. J. by) leaves truncate at the end, with 
2 side-lobes. A beautiful flowering tree. 90-150 f. 
LISTERA. 18—1. ( Orchidea .) [Named from Martin Lister, physician to Queen Anne.] 
corda'ta , stem with 2 opposite, roundish, cordate leaves; raceme loose; col¬ 
umn without any appendage behind; lip elongate, 2 -toothed at the base, 
deeply bifid, the segments divaricate and acute. Sw r amps. Stem 4-6 i. 
Flowers distant and minute. 
convallario'ides , (lily orchis,) column porrected; lip oblong, dilated, and ob¬ 
tusely 2 -lobed at the extremity; stem 6 inches, very slender; root fibrous; 
flowers dark brown and green, larger than the preceding. 
LITHOSPERMITM. 5—1. ( Boraginece .) [From lithos , a stone, and sperma, seed, on account 
of the hardness of its seed.] 
arxen n se , (corn gromwell, fv. M. @.) stem erect, branched ; leaves sessile, 
lance-linear, rather acute, veinless, rough, hairy ; calyx a little shorter than 
the corolla; segments spreading ; nuts rugose; plant hispid, pilose; flow¬ 
ers solitary, axillary. Fields. Introduced. 
officina/le. (common gromwell, y. M. fij..) stem covered with rigid hairs ; leaves 
broad-lanceolate, acute, rough on the upper surface, hairy on the lower ; 
tube of the corolla as long as the calyx; nuts smooth. Fields. Flowers 
axillary, pale yellow. 
mariti'mum , has blue flowers. 
denticula'turn, has purple flowers. 
LOBELIA. 5—1. ( Campanulacece .) [In honour of Mathias Lobelius.] 
cardina'lis , (cardinal flower, r. Ju. %.) erect, simple, pubescent; leaves lance- 
ovate, acuminate, denticulate ; racemes somewhat 1 -sided, many-flowered ; 
stamens longer than the corollas. Damp, i-2 f. 
infla'ta , (Indian tobacco, b. Ju. <v>.) erect, branching, very hirsute ; leaves 
ovate, serrate; racemes leafy; capsules inflated. 12-18 i. 
kal'mii , (b. Ju. <v).) slender, erect, sub-simple ; radical leaves spatulate ; can- 
line ones linear, delicately toothed; flowers racemed, alternate, remote, pe- 
dieelled. 6-24 i. 
dortman"na ) (b. Ju. fij..) leaves linear, 2-celled, fleshy, obtuse ; scape nearly 
naked; flowers in a terminal raceme, remote, pedicelled, nodding ; leaves 
growing in a tuft about the root, spreading, recurved. Water gladiole. 
syphilit"ica , flowers on short pedicels, in a long, leafy raceme, large, blue. 
Bogs. 2-3 f. 
claytonia'na ) stem erect, simple, pubescent; canline leaves oblong, obtuse, 
nearly entire; radical leaves spatulate; raceme virgate, naked; flowers 
pale blue, 1-2 f. 
pubcru'la , covered with silky down; lowjB^eaves obovate, upper lanceolate ; 
flowers spiked, alternate, sub-sessile, bright blue, smaller than the syphili¬ 
tica. 
fuV'gens , (native of Mexico,) leaves very long, alternate, sub-entire; raceme 
many-flowered; stamens and pistils as long as the corolla. 
FOLIUM. 3—2. ( Graminece .) 
peren"ne, (M. flj..) florets much longer than the calyx, unarmed, linear-oblong, 
compressed. Introduced. 18 i. 
LONICERA. 5—1. ( Caprifolice .) [From Lonicer, a botanist of the 16th century.] 
semper 1 'vircns, (r. y. M. T 7 .) spikes with distant, nakedish whorls; corollas 
sub-equal; tube ventricose above ; leaves ovate and obovate, glaucous be¬ 
neath ; upper ones connate-perfoliate ; leaves perennial. 
caprifo'lium , (honeysuckle, by) corollas ringent-like, terminal; flowers crim¬ 
son: sessile leaves connate-perfoliate at the top. Ex. 
