112 LiaUIDAMBER-LONICERA. 



LiaXJIDAMBER. 19—13. (Amentacets.) [From h'sMirfuTO, fluid, and amJer, fragrant, alluding 

 to the gum which distils from this tree.] 

 styracijlu'a, (sweet gum-tree, M. T^.) 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. 



LIRIODENDRON. 12—13. {MagnoUm.) [From /ezVon, a lily, and dendron, a tree.] 

 tulipif'e'ia, (white wood, tulip-tree, y-r. J. T2.) leaves truncate at the end, with 

 2 side-lobes. A beautiful flowering tree. 90-150 f. 



..ISTERA. 18—1. {Orchidem.) [Named from Martin Lister, pliysician to Queen Anne.] 

 cortia'te, Stem with 2 opposite, roundish, cordate leaves; raceme loose; col- 

 umn without any appendage behind; lip elongate, 2-tooihed at the base, 

 deeply bifid, the segments divaricate and acute. SWamps. Stem 4-6 i. 

 Flowers distant and minute. 

 convallario'idcs, (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. 



UTHOSPERMUM. 5—1. {Boraginem.) [From Z/iAos, a stone, and sperTOB, seed, on account 

 of the hardness of its seed.] 



arvcn"se, (corn gromwell, w. 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. '2J-.) 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'nium, has blue flowers. 



denticula'tum, has purple flowers. 



LOBELIA. 5 — 1. {CampanidacecB.) [In honour of Mathias Lobelius.] 

 cardina'lis, (cardinal flower, r. Ju. %.') erect, simple, pubescent ; leaves lancc- 



ovate, acuminate, denticulate ; racemes somewhat 1-sided, many-flowered ; 



stamens longer than the corollas. Damp. 1-2 f. 

 infla'ta, (Indian tobacco, b. Ju. ©.) erect, branching, very hirsute; leaves 



ovate, serrate ; racemes leafy; capsules inflated. 12-18 i. 

 kal'mii, (b. Ju. ©.) slender, erect, sub-simple ; radical leaves spatulate ; cau- 



line ones linear, delicately toothed; flowers raceraed, alternate, remote, pe- 



dicelled. 6-24 i. 

 dortman"na, (b. Ju. %.) leaves linear, 2-celled, fleshy, obtuse ; scape near.y 



naked ; flowers in a terminal raceme, remote, pedicelled, nodding ; leaves 



growing in a tuft about the root, spreading, recurved. Water gladiole. 

 syphilitica, flowers on short pedicels, in a long, leafy raceme, large, blue. 



Bogs. 2-3 f. 

 claytojiia'na, stem erect, simple, pubescent; cauline leaves oblong, obtuse, 



nearly entire; radical leaves spatulate; raceme virgate, naked; flowers 



pale blue. 1-2 f. 

 puberu'la, covered with silky down ; lower leaves 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. 



LOLIUM. 3—2. (Graminea.) 

 peren"ne, (M. %.) florets much longer than the calyx, unarmed, linear-oblong, 

 compressed. Introduced. 18 i. 



tONICERA. &— 1. (Caprifolim.) [From Lonicer, a botanist of the 16th century.] 

 semper" virens, (r. y. M. T2.) 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, ?2.) corollas ringent-like, terminal ; flowers crim- 

 son ; sessile leaves connate-perfoliate at the top. Ex. 



