MALACHODENDRON—MELIA. 
115 
grandijio'ra , (big laurel magnolia, -w. M. f).) leaves evergreen, oval, thick, 
leathery; petals broad, obovate, abruptly narrowed into a claw. 60-80 
feet. S. 
MALACHODENDRON. 15—5. ( Durantia .) [From malalte, soft, dendron, tree.] 
ova'turn , (w. M. h>.) leaves ovate, acute; flower solitary, sub-sessile. 6-12 f. S. 
MALVA. 15—13. ( Malvaceae ,.) [From mollis, soft.J 
rotundifo'lia , (low mallows, r. w. J. 'll-.) leaves heart-orbicular, obsoletely 5- 
lobed; peduncles bearing the fruit declined ; stem prostrate. Probably in¬ 
troduced. 
sylves"tris , (mallows, r-b. J. J'. and 'll-.) 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. 
carolin''iana, (r. Au. #.) leaves 5-lobed or palmate, gash-toothed; peduncles 
longer than the petioles; petals entire; fruit villose ; stem prostrate. 
cpccin"ea , (r. Au. Of-) hoary-tomentose, covered with stellate hairs; racemes 
terminal; stem diffuse. S. 
MARCHANTIA. 21—3. ( Hepaticce .) [From Marchant, a naturalist.] 
polymor"pha, (brook liverwort, g-y. Ju. A ) 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. ( Labiata ,.) [From a Hebrew word, marrob, a bitter juice.] 
vulga're, (horehound, w. Ju. I 7 .) leaves round-ovate, toothed, rugose, veined; 
calyx toothed, setaceous, uncinate. Introduced. 
' ' ' • v ^ v 
MARTYNEA. 13—2. ( Bignonice .) [In honour of the botanist, Martyn.] 
probosci'dece , (martinoe, w. p. y. Ju. <g>.) stem short, branching; leaves alter¬ 
nate, cordate, entire, villose; pericarp terminating in along proboscis. 1-2 
f. S. 
MECONOPSIS. 12—1. ( Papaveraceee .) [From mekon, a poppy, opsis, aspect, resembling a 
poppy-1 
diphyV'la , (y. m. T 7 .) leaves 2, glaucous, sessile, hairy; lobes rounded and ob¬ 
tuse; capsules 4-valved-echinate. If. 
peliola'turn, stem 4-sided ; leaves very broad, long-petioled, pinnatifid-lobed. &. 
MEDEOLA. 6—3. ( Asparagi .) 
virgin"ica , (Indian cucumber, g-y. rn. f>.) leaves in whorls, lance-oval, acu¬ 
minate; pedicels aggregated, terminal; root white. 12-18 i. 
MEDICAGO. 16—10. ( Leguminosce .) [Called medike , by Dioscorides, on account of its sup¬ 
posed medicinal virtues.] 
lupuli'na , (hop medick, y. J. Iff) spikes oval; legumes reniform, 1-seeded; 
stipules entire ; leaves obovate ; stem procumbent. 
Interfax"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 melas, black, and puros, wheat.] 
america'num , (cow-wheat, y. Ju. <v).) slender; lower leaves linear, entire; flo¬ 
ral ones lanceolate, toothed behind; flowers axillary, distinct. Var. latifo- 
lium , has very broad leaves. Woods. <S\ 
MEEANTHIUM. 6 —3. ( Junca .) [From melas, black, anthos, 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. 
JRELIA. 10—1. (Melice.) [From meli, h<|tiey.] 
azed" orach, (pride of China, 1 ?.) leaves doublypinnate ; leafets smooth, ovate, 
toothed. 30-40 f. S. 
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