128 



MENTHA— MILLIUM. 



6; stamens 12; leaves palmate-lobed, cor- 

 date, very long petioled. S. 



MEN"THA. 13—1. (Labiaia:.) [From Minthe, 



the daughter of Cocytus, who is said to 



have been changed into this herb.] 



canadea"se, (vv.p. Au. 2/.) flowers whorl- 



ed; leaves lance-ovate, serrate, petioled, 



hairy; stamens as long as the corolla. 



Sandy soils. Stem 1 f. 



borea'Us, (w. p. J. Z(.) 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. 



piperi'la, (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"uis, (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 corolla. 1-2 f. 



arvc}i"sis, (field-mint, p. Ju.) hairy, branch- 

 ing ; leaves ovate ; flowers whorled ; calyx 

 bell- form. Naturalized. 1 f. 



MENTZE'LIA. 11—1. {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. S. 



oligospe/'ma, decumbent ; flowers large. 

 S. 



MENYaN"THES. 5—1. (Gentiana.) [From 

 mene, mouth, and anthos, flower.] 

 trifo'Iiata, (buck-bean, r. J. IX) leaves 

 ternate, petioled, sheathing, smooth ; flow- 

 ers pale, in a terminal raceme. Marshes. 



MENZIE'SIA. 8-1. {Enca.) [Named by 



Smith, in honor of Menzies.] 



coErulea, (mountain-heath, Ju. ^.) stem 

 branched, woody below ; leaves .scattered, 

 crowded, linear, toothed ; peduncles termi- 

 nal, aggregate, 1-flowered ; flowers bell- 

 shaped, S-cleft, decandrous; calyx very 

 acute. An evergreen shrub, resembling 

 the heath. "White hills, N. H., and other 

 cold, elevated regions. Flowers large, pur- 

 ple, on long, red peduncles. 



globuhi'ris, leaves lanceolate, glaucous 

 beneath, nerves pubescent; calyx 4-cleft ; 

 flowers globose, octandrous. Mountains. 

 Penn. to Gar. Shrub. 4 f. Flowers yel- 

 lowish brown. 



fcrnigin"ea, leaves lance-obovate ; flow- 

 ers urceolate, octandrous. S. 



empetrifor"mis, [r. Sn. Tp.) leaves linear, 

 serrulate, concave beneath; peduncles ter- 

 minal, aggregate ; flowers bell-form ; calyx 

 obtu.se, decandrous. S. 



polifo'lia, (St. Daboec's heath,) flowers 

 larger, and more globular than those of the 

 common heaths. Found wild in Ireland. 



fVIESEMBRYAN"THEMUM. \\—b.{Ficoidea.) 

 ^T*'rom mesembria mid-day, and an<Ao« flow- 



er, so called because its flowers expand ar, 



noon.] 



crystaU'num, (ice plant, w. Au. 0.) 

 branching ; leaves alternate, ovatn, papil 

 lo.se; flowers sessile; calyx broad-ovate 

 acute, retuse. Ex. 



pom.cridia'nnm., (^.) flowers of a brilliant 

 yellow. 

 MES'TILUS. 11—5. {Rosacea.) 



gcrviani'ca, (medlar, Ip.) leaves lancc- 

 ovate, downy beneath ; flowers sessile, 

 solitaiy. Ex. 



oxycan"t}ia, (English hawthorn.) 

 MICRAN"TIIEMUM 2-1. (LysimachicE.) 



[From mikros, small, and anthos, flower ] 



orbicula'lum, (w. Au. 2^.) stem pros- 

 trate, terete ; orbicular, abruptly narrowed 

 at the base ; flowers peduncled. 



etnargina'tum, (w. Au. Ij^.) leaves oval 

 and obovate, emarginate, sessile, flowers 

 sessile ; stem prostrate or creeping. Wet 

 places. 



MICROPE'TALON. 10—4. (CaryophyUece.) 

 [Named from the diminutive size of the pe- 

 tals.] 



lanceolaHxim, (blind starwort, Ju. Z/.l 

 glabrous ; leaves lanceolate, narrow at both 

 ends; flowers panicled ; petals 'ovate, very 

 short or wanting. Damp. 6-8 i. 



lojigifo'Ua, (long-leaf starwort, w. J. 14..) 

 stem decumbent or sub-decumbent , leaves 

 lance-linear, opposite, entire. 



latingi/io'su7n, (Ju. 2/.) closely pubes- 

 cent; leaves lanceolate, tapering to a pe- 

 tiole ; peduncles generally solitary, long, 

 finally reflected ; flowers without petals. *Si. 



MICROS"TYLIS. 18—1. {Orchidea.) [From 



mikros, small, and stulos, style.] 



ophioglossoi'des, (g-w. J. ll) scape 1- 

 leai'ed ; leaf ovate, amplexicaule ; lip trun- 

 cate, emarginate. Roots of trees. 



brachypo'da. (Ju.) stem 1-leaved; racemea 

 sub-spiked, lateral petals refracted ; lip tri 

 angular-hastate, cucullate, acuminate. 



MIE'GIA. 3—1. {Graminca.) 



macrospe/'ma, (cane, Ap. 2^.) stem te- 

 rete-glabrous, hollow, rigid ; leaves distich- 

 us, lanceolate, flat, sub-acuminate, pubes- 

 cent underneath. 3-15 f. Yzx.gigant"ea, 

 much taller. 30-40 f. 

 MIKA'NIA. 17—1. iCorvmliferm.) [In honor 



of Professor Mikan of Prague.] 



pubes"cens, (w-p. S. 2/.) stem climbing, 

 pubescent ; leaves cordate, acuminate, an- 

 gularly dentate, pubescent on both sides; 

 divaricate, equal. 



scan"dens, (climbing thoroughwort, w 

 Au. 2j[.) stem glabrou.s, climbing; leaves 

 cordate, toothed, acuminate. 

 M1L"L1UM. 3—2. (GraminccB.) 



effu'sum, (millet, .Ju. 2J[.) panicle diffuse, 

 compound ; branches horizontal ; glumes 

 ovate, very obtuse ; paleas awnless. smootL 

 and shining ; leaves broad-linear. 5-8 f. 



ampMcar"'pon, (Au. 2/.) leaves linear- 

 lanceolate, hairy, ciliate ; panicle simple, 

 contracted, bearing perfect flowers ; fertile 

 flowers in solitary, elongated radical scape.s, 

 at length subteiTaneous ; glumes acumi 

 nate. 1-2 f Sandy swamps. 



pmi'q-'^n.'i (dwarf mil'ff gra.ss M. U » 



