MALACHODENDRON— KELIA. 115 



grandifio'ra, (big laurel magnolia, w. M. ^2.) leaves evergreen, oval, thick, 

 leathery; petals broad, obovate, abruptly narrowed into a claw. 60-80 

 feet. 5'. 



MALACHODENDRON. 15—5. (.Durantia.) [From maiake, soA, dendron, tree.] 



ova'lum, (w. M. T^-) leaves ovate, acute ; flower solitary, sub-sessile. 6-12 f. S'. 

 MALVA. 15—13. (.Malvacem.) [From mollis, eoft.J 



rotundifo'lia, (low mallows, r. w. J. %.) leaves heart-orbicular, obsoletely 5- 

 lobed; peduncles bearing the fruit declined ; stem prostrate. Probably in- 

 troduced. 



sylves"tris, (mallows, r-b. J. J", and 'Z|..) stem erect ; leaves about 7-lobed, 

 acutish ; peduncles and petioles hairy. Ex. 



cris"pa, (curled mallows, Au. ©.) stem erect ; leaves angular, crisped ; flow- 

 ers axillary, glomerate. Ex. 



caroliw'iana, (r. Au. ©.) leaves 5-lobed or palmate, gash-toothed ; peduncles 

 longer than the petioles; petals entire; fruit villose ; stem prostrate. 



coccm"ea, (r. Au. '2J-.) hoary-tomentose, covered with stellate hairs ; racemes 

 terminal ; stem diffuse. S. 



MARCHANTIA. 21—3. (Hepaticm.) [From Marchant, a naturalist.] 

 polymor"pha, (brook liverwort, g-y. Ju. %.) pistillate receptacles radiated ; 

 staminate ones peduncled, peltate ; fronds crowded together, lobed, nerved, 

 and covered with small decussate veins; pistillate peduncles very long, 

 nerves of the frond generally brown. On earth and stones, in wet or 

 damp places. 



MARRUBIUM. 13—1. {Labiates.) [From a Hebrew word, marrob, a bitter juice.] 

 vulga're, (horehound, w. Ju. l^.) leaves round-ovate, toothed, rugose, veined; 

 calyx toothed, setaceous, uncinate. Introduced. 



MARTYNEA. 13—2. (BignonifB.) [In honour of the botanist, Martyn.] 

 probosci'dece, (martinoe, w. p. y. Ju. <v).) stem short, branching; leaves alter- 

 nate, cordate, entire, villose; pericarp terminating in along proboscis. 1-2 

 f. S. 



MECONOPSIS. 12 — 1. (PapaveracecB.) [From me/con, a poppy, opsis, aspect, resembling a 

 poppy.] 



diphyV'la, (y. m. T^.) leaves 2, glaucous, sessile, hairy; lobes rounded and ob- 

 tuse; capsules 4-valved-echinate. If. 

 peiiola'tum, stem 4-sided ; leaves very broad, long-petioled, pinnatifid-lobed. .S. 



MEDEOLA. 6—3. (.Asparagi.) 

 virgin"ica, (Indian cucumber, g-y. m. T2.) leaves in whorls, lance-oval, acu- 

 minate; pedicels aggregated, terminal; root white. 12-18 i. 



MEDICAGO. 16—10. (Leguminosm.) [Called medike, by Dioscorides, on account of its sup- 

 posed medicinal virtues.] 

 lupuli'na, (hop medick, y. J. ©.) spikes oval; legumes reniform, 1-seeded; 



stipules entire ; leaves obovate; stem procumbent. 

 intertex"ta, (y. Au.)stem procumbent ; leafets obovate, toothed; stipules cili- 

 ate, toothed ; peduncles somewhat 2-flowered ; legume pilose, spiral, oval ; 

 spines straight, thick, rigid, and acute. Sandy fields. Conn, to Car. In- 

 troduced. 

 MELAMPYRUM. 14—2. (Pediculares.) [From metos, black, andpwros, wheat.] 

 america'num, (cow-wheat, y. Ju. ©.) slender; lower leaves linear, entire; flo- 

 ral ones lanceolate, toothed behind; flowers axillary, distinct. Var. laiifc- 

 lium, has very broad leaves. Woods. iS. 

 MELANTHIUM. 6—3. (JunccB.) [From melas, blacl?, anihos, flower.] 

 virgin"icum, (g-y. black flower,) panicle pyramid-form, very large ; petals 

 ovate ; leaves long, linear-lanceolate, flat, smooth ; flowers become black. 

 3-4 f 

 MELIA. 10—1. {Melim.) [From Trae/i, honey.] 

 azed'' orach, (pride of China, T2-) leaves doublvpinnate ; leafets smooth, ovate, 

 toothed. 30-40 f. S. 

 31 



