J28 
MEN! HA— MIL L lUM. 
fi, stamens 12; leaves palmate-lobed, cor- 
diite, very long petioled. S. 
MEN"THA. 13—1. (Labiat(B.) [From Minthe, 
tlie daughter of Cocyliis, who is said to 
have been chang^ed into this herb.] 
canad£u"se. (w.p. An. 2^.) flowers whorl- 
ed; leaves lance-ovate, serrate, petioled. 
hairy ; stamens as long as the corolla. 
Sandy soils. Stem 1 f. 
horea'lia, (w. p. J. 2_f.) ascending, pubes- 
cent; leaves petioled, ovate-lanceolate, 
^acute at both ends , flowers in whorls, sta- 
mens exsert, twice as long as the corolla. 
Horse-mint. 
pipeH'ta, (peppermint, p. Au. 2/.) spikes 
obtuse, interrupted below ; leaves sub- 
ovate, somewhat glabrous, petioled ; stem 
glabrous at the base. Naturalized. 1-2 f. 
Ex. 
vir"idis, (spearmint, p. Au.) leaves lan- 
ceolate, sessile ; spikes elongated, interrupt- 
ed ; stamens long. 1-2 f. Ex. 
ten"ms, (America .spearmint, w. J. 2X-) 
glabrous ; leaves opposite, ovate-lanceolate, 
serrulate, petioled ; spike slender, terminal, 
with verticils very small, distant at base ; 
stamens shorter than the con)lla. 1-2 f. 
arven"sis, (field-mint, p. .Tu.) hairy, .branch- 
ing ; leaves ovate ; flowers whorled ; calyx 
bell-form. Naturalized. 1 f. 
MP:NTZE'LIA. ll— l. (Onagra.) [In honor 
of Dr. Mentzel.] 
au'rea, (y.) stem dichotomous ; leaves 
lance-ovate, deeply angular crenate ; flow- 
ers sessile ; petals oval, acuminate, entire; 
plant rough. 12 i. jS. 
oligospe/'ma, decumbent ; flowers large. 
S. 
MENYaN"THES. 5—1. (GentiancE.) [From 
mene, mouth, and imlhos, flower.] 
trifo'liata, (back-bean, r. J. 2X.) leaves 
ternate, petioled, sheathing, smooth ; flow- 
ers pale, in a terminal raceme. Marshes. 
MENZIE'SIA. 8—1. {E tcce.) [Named by 
Smith, in honor of Meiizie.s.] 
ccerulea, (mountain-heath, Ju. ^.) stem 
branched, woody below ; leaves scattered, 
crowded, linear, toothed ; peduncles termi- 
nal, aggregate, 1-Howered , flowers bell- 
shaped, 5-clef't, decandrous; calyx veiy 
acute. An evergreen shrub, resembling 
the heath. White hills, N. H., and other 
cold, elevated regions. Flowers large, pur- 
ple, on long, red peduncles. I 
glolntla'ris, leaves lanceolate, glaucous 
beneath, nerves pubescent; calyx 4-cleft ; 
flowers globose, octandrous. Mountains. 
Penn. to Car. Shrub. 4 f. Flowers yel- 
lowish brown. 
ferrugi.n"ba, leaves lance-obovate ; flow- 
ers urceolate, octandrou.s. S. 
empetrifor"7nis, {r. Jn. Ip.) leaves linear, 
serrulate, concave beneath ; peduncles ter- 
minal, aggregate; flowers bell form; calyx 
obtu.se, decandrous. jS. 
polifo'lia, (St. Daboec'.s heath,) flowers 
larger, and more globulai than those of the j 
common heaths. Found wild in Ireland, j 
iiKSEiVIBRYAN"THEMUM. 11—5 {Ficoideco.) ' 
^^rom mtsevibria rnid-day, and anlhos flovv- 
er, so called because its flowers expand ai 
noon.] 
ciyiitali/num, , (ice plant, w. Au. @.) 
branching ; leaves alternate, ovate, papil 
lose; flowers sessile; calyx broad ovate 
acute, retuse. Ex. 
pomeridia'mim, (0.) flowers of a brilliant 
yellow. 
MES'TILUS. 11—5. {Rosacea.) 
germaiu'cn, (medlar, ^.) leaves lance- 
ovate, downy beneath ; flowers sessile, 
solitary. Ex. 
oxyc<r)i"ilia, (Engli-sh hawthorn.) 
MICIiAN"THEMUi\I. 2—1. (Lysimackice.) 
[From mikrns, small, and anthos, liower ] 
(ytbicuTii'tum, (w. Au. 24-) stem pros- 
trate, terete ; orbicular, abruptly narrowed 
at the base; flowers peduncled. 
emargina' turn, (w. Au. 2^.) leaves oval 
and obovate, emarginate, sessile, flowei's 
sessile ; stem prostrate or creeping. Wet 
places. 
MICROPE'TALON. 10-4. {Caryophyllem.) 
[Named from the diminutive size of tlie pe- 
tals] 
lanceola'tvm, (blind starwort, Ju. 11) 
glabrous ; leaves lanceolate, narrow at both 
ends; flowers panicled ; petals ovate, very 
short or wanting. Damp. 6-8 i. 
longifo'Ua, (long-leaf starwort, w. J. 2_(.) 
stem decumbent or sub-decumbent ; leaves 
lance-linear, opposite, entire. 
lanugino'^nm, (Ju. ZX.) closely pubes- 
I cent; leaves lanceolate, tapering to a pe- 
tiole ; peduncles generally solitary, lon^, 
finally reflected ; flowers without petals. S. 
MI(;R0S"TYLIS. is— l. {OrvUdea.) [From 
miliros, small, and stnJos, style.] 
0'pkioglos!^oi'de!f, (g-w. J. 2^.) scape 1- 
leafed ; leaf ovate, amplexicaule ; lip trun- 
cate, emarginate. Roots of trees. 
brach-t^po' da. (Ju.) stem 1-leaved ; racemes 
sub-spiked, lateral petals refracted ; lip tri- 
angular-hastate, cricullate, acuminate. 
MIIO'GIA. 3—1. (Graminem.) 
Tiincra^pe/'ma, (cane, Ap. 2^.) stem te- 
rete glab!-ous, hollow, rigid ; leaves di.stioli- 
Hs, lanceolate, flat, sub-acuminate, pubes- 
cent underneath. 3- 15 f. YaT.gigant"ea, 
much taller. 30-40 f. 
MIKA'NIA. 17—1. iCnr'jmhiferte.) [In honoi 
of Professor Mikan of Prague.] 
pnhes"cem, (w p. S. 1(.) stem climbing, 
pube.scent ; leaves cordate, acuminate, an- 
gularly dentate, pube.scent on both sides; 
divaricate, equal. 
scan"dem, (climbing thoroughwoit, w. 
Au. 2-C.) stem glabrous, climbing; leaves 
cordate, toothed, acuminate. 
Mll/'LIUM. 3—2. (Graminem) 
effa'sum, (millet, Ju. 2^-) panicle diff'u.se, 
compound ; branches horizontal ; glumes 
ovate, very obtuse ; paleas awnless. smooth 
and shining; leaves broad-linear. 5 8 f 
ampkica/'poa, (Au. leaves linear- 
lanceolate, hairy, ciliate; panicle simple, 
contracted, bearing perfect flowers; fertile 
I flowers in solitary, elongated radical scape.s, 
I at length subterraneous ; glumes acuiui 
nate. 1-2 f. Sandy .swamps. 
'yun"geiis (dwarf millet grass M. Li ; 
