126 
MALAXIS— MECONO PSIS. 
corda'ta, fy. M. ^ .) leaves broad, oval or 
ovate-lanceolate, at base slightly cordate, 
eoniewhat tomentose beneath ; petals ob- 
long lanceolate, acute. 40-50 f. S. 
pyramida'ta, (Ap. leaves rhomb-ob- 
oval, abruptly acute, both sides colored 
alike, sub-cordate and auricled at the base ; 
lobes divaricate ; petals lanceolate, gradu- 
ally acute. S. 
MALAX"IS. 18—1. (OrchidecE.) [From mal- 
akia, softness, from the delicacy of the 
plants.] 
Uliifi/ha, (twayblade, w. y. p. J. 2Z.) 
scape 3-cornered; inner petals filiform, re- 
flexed, 2-colored ; lip concave, obovate, 
mucronate ; leaves 2, lanceovate, or oval. 
4-8 i. 
longifo'lia, (y-g. J. leaves broad-lan- 
ceolate, longer than the scape; spike ob- 
long; lip cordate, concave, channeled, 
shorter than the petals ; bulb roundish ; 
scape 2-leaved. 3-7 i. 
MAI,ACHODEN"DRON. l.'i-S. (Durantia.) 
[From rnalake, soft, dcndron, tree.] 
ova'tum, (w. M. ^.) leaves ovate, acute ; 
flower solitary, sub-sessile. 6-12 f. <S. 
MAL"OPE. 15—12. {MnlvactKR.) 
malacoi'des, (y. leaves oblong, acute, 
entire, crenate, glabrous on the upper sur- 
face ; peduncles solitary, axillary. 12-18 i. 
S. 
MAL"VA. 15—13. (Malvacem.) {.From mollis, 
soft.] 
rotu7idrfo'lia, (low mallows, r. w. J. 2X-) 
leaves heart-orbicular, obsoletely 5-lobed ; 
peduncles bearing the fruit declined ; stem 
prostrate. Probably introduced. 
sylves"tris, (mallows, r-b. J. $ . and 
stem erect; leaves about 7-lobed, acutish; 
peduncles and petioles hairy. Ex. 
cris"pa, (curled mallows, Au. @.) stem 
erect ; leaves angular, crisped ; flowers ax- 
illary, glomerate. Ex. 
coccin"ea, (r. Au. 2^.) hoary-tomentose, 
covered with stellate hairs; racemes ter- 
minal ; stem diffuse. S. 
moscha'ta, (musk mallows, IX-) erect ; 
radical leaves reniform, gashed ; cauline 
leaves 5-parted, pinnate, many-cleft ; leafets 
of the involucre linear. Naturalized. 
virga'ta, (whip-stalk mallows, r. 2^.) 
leaves deeply 3 lobed, toothed, cuneate at 
the base ; peduncles in pairs, longer than 
the petioles. Ex. 
abutiloifdes, leaves with 5 angular lobes, 
tomentose ; peduncles 2-cleft, generally 4- 
flowered ; axillary capsules many-seeded. 
S. 
carolin"iana, (v. Au. 0.) leaves 5-lobed 
or palmate, notched and toothed ; pedun- 
cles longer than the petioles ; petals entire ; 
fruit villose ; stem prostrate, branching. S. 
triangula'ta, (p. Ju.) hirsute, sub-decum- 
bent; lower leaves triangular cordate ; up- 
per ones 3-5-lobed, irregularly toothed; 
flowers racemed. 12-18 i. 8. 
peda'ta, (2-(. p.) somewhat scabrous with 
stellate hairs; leafets pedately 5-7 parted; 
segments laciuiatcly toothed; flowers on 
elongated peduncles in a loose panicle 
calyx naked, slightly hirsute. 2-4 f. S. 
MAL'VAVIS"CUS. 15-12. (Molvacem.) 
floitda'nus, (r. pilose, hirsute, her- 
baceous ; leaves cordate-ovate, crenate- 
obtusish, small, short-petioled ; peduncles 
axillary, nodding, towards the end of the 
branches. Florida. 
MARCHAN'TIA. 21-3. [Hepaticm.) [From 
Marchant, a naturalist.] 
polymo/'pha, (brook liverwort, g-y. Ju. 
It) pistillate receptacles radiated ; stami- 
nate ones peduncled, peltate ; fronds crowd- 
ed together, lobed, nerved, and covered 
with small decussate veins ; pi.stillate ped- 
uncles very long ; nerves of the frond gen- 
erally brown. On earth and stones, in wet 
or damp places. 
MARRU'BIUM. 13—1. (Lahatce.) [From a 
Hebrew word, marrob, a bitter juice.] 
vnlga're, (horehound, w. Ju. f?.) leaves 
round-ovate, toothed, rugose, veined ; ca- 
lyx toothed, setaceous, uncinate. Introdu- 
ced. 
MARSHAL"LTA. 17—1. (Corymbiferm.) 
lanceoluHa, (p. M. 11) stem simple, leafy 
below, naked near the summit ; leaves of 
the root obovate, of the stem long, lanceo 
lute ; scales of the involucrum oval; chaff 
spatulate. 18-24 i. S. 
latifo'lia, (Au. 2/.) stem simple ; leaves 
oblong-lanceolate, acuminate, 3 nerted, 
lowest ones sheathing ; scales of the invol- 
ucrum acute ; chaff of the receptacle linear. 
angnstifo'Ua, (p. Ju. 11.) stem branch- 
ing; lower leaves narrow-lanceolate, upper 
ones linear ; scales of the involucrum rigid, 
subulate ; chaff linear. \ ^x.cyanan" thera, 
corolla pale purple ; anthers sky blue ; stem 
simple, angular, very pubescent near the 
top; leaves lance-linear, 3-nerved; scales 
of the calyx lanceolate, acuminate. 2 f. 
S. 
MARTYN'-IA. 13—2. (BignomcB.) [In honor 
of the botanist, Martyn ] 
proUosci'dea, (martinoe, w. p. y. Ju. 0.) 
stem short, branching; leaves alternate, 
cordate, entire, villose ; pericarp termina- 
ting in a long proboscis. 1-2 f. S. 
MATRICA'RIA. 17—2. (Corymbifercc,) [Na- 
med from its efficacy in the diseases of fe- 
males.] 
ch(WiomU"la, (wild chamomile, w. M. ^.) 
leaves bi-pinnate ; scales of the involucre 
obtusish. Ex. 
MEOONOP"SIS. 12-1. (Papaveracem.) [From 
mekon, a poppy, opsis, aspect, resembling a 
poppy.] 
diphyria, (y. m. ^.) leaves 2, glaucous, 
sessile, hairy ; lobes rounded and obtuse ; 
capsules 4-valved-echinate. 1 f. 
petiola'tum, stem 4-sided; leaves very 
broad, long-petioled, pinnatifid-lobed. S. 
heterophyV'la, (r. IX) leaves few and re- 
mote, pinnately divided ; segments of the 
lower ones ovate, incised and petioled ; of 
the upper linear, entire, somewhat confio- 
ent. 
