116 MELILOTUS-MESPILUS. 



MEULOTTIS. lo— 10. {Leguminosa.) [From weK, honey, and Zotes, a plant.] 

 officina'lis, (yellow melilot-clo\rer, y. J. ©.) stem erect, branching; leafets 

 lanceolate, oblong; spikes axillary, paniculate; legume 2-seeded, rugose; 

 flowers in long yellow racemes. 

 «t"i«, (white melilot-clover, w. J. ©.) stem erect; leafets variable, (oval, 

 ovate, obovate, and oblanceolate,) mucronately serrulate; banner longer 

 than the wings; racemes axillary, panicled; the longest raceme 6 to 10 

 times as long as the longest leafet at its base ; legumes oval. 3-6 f. Prob- 

 ably introduced, but now very common, and growing wild. 



MELISSA. 13 — 1. (Labiata.) [From melissa, a bee, because it affords honey.] 



officina'lis, (balm, w. b. Ju. %.) flowers whorled half-way round, sub-sessile ; 

 bracts oblong, pedicelled ; leaves ovate, acute, serrate. Naturalized. 



MELOTHRIA. 19—15. (Cucurbitacea.) [From melon, fruit, a.n<i thrion, food.] 

 pendu'la, (small creeping cucumber, y. J. ©.) leaves sub-reniform, lobed, and 

 angled, slightly hispid; fruit oval, smooth, pendulous. A slender vine, 

 running over small shrubs and herbs on the banks of streams ; stem hairy ; 

 leaves petioled; tendrils 5-6 inches high; flowers axillary; the steril in 

 small racemes, the fertile solitary. 



MENISPERMUM. 20—13. [From Twena, the moon, and sperma, seed; seed crescent-form.] 

 canadcn"se, (moon-seed, y. Ju. %.) leaves peltate, cordate, round-angular ; ra- 

 cemes compound ; petals 8. 



MENTHA. 13 — 1. (Labiata.) [From Minthe, the daughter of Cocytus, who is said to havfl 

 been changed into this herb.] 



canadcn"se, (w. p. Au. %.) flowers whorled ; leaves lance-ovate, serrate, pe- 

 tioled, hairy ; stamens as long as the corolla. Sandy soils. Stem 1 f. 



borea'lis, (w. p. J. %.) ascending, pubescent ; leaves petioled, ovate-lanceolate, 

 acute at both ends ; flowers in whorls, stamens exsert, twice as long as the 

 corolla. Horse-mint. 



piperi'ia, (peppermint, p. Au. "21-.) spikes obtuse, interrupted below ; leaves 

 sub-ovate, somewhat glabrous, petioled ; stem glabrous at the base. Natu- 

 ralized. 1-2 f. Ex. 



vir"idis, (spearmint, p. Au.) leaves lanceolate, sessile ; spikes elongated, in- 

 terrupted ; stamens long. 1-2 f. Ex. 



MENTZELIA. 11—1. (Onagra.) [Inhonourof Dr.Mentzel.] 

 «M're«, (y.) Stem dichotomous; leaves lance-ovate, deeply angular-crenate ; 

 flowers sessile ; petals oval, acuminate, entire ; plant rough. 12 i. (S. 



MENYANTHES. 5—1. {Gentianm.) [From wiene, mouth, and an/Aos, flower.] 

 trifo'liata, (buck-bean, r. J. %..) leaves ternate, petioled, sheathing, smooth ; 

 flowers pale, in a terminal raceme. Marshes. 



MENZIESIA. 8—1. (Erica.) [Named by Smith, in honour of Menzies.] 



cazru'lice, (mountain-heath, Ju. T2.)stem branched, woody below; leaves scat- 

 tered, crowded, linear, toothed ; peduncles terminal, aggregate, 1-flowered ; 

 flowers bell-shaped, 5-cleft, decandrous ; calyx very acute. An evergreen 

 shrub, resembling the heath. While hills, N. H. and other cold, elevated 

 regions. Flowers large, purple, on long, red peduncles. 

 globu'laris, lesivcs \anceo\a.te, glaucous beneath, nerves pubescent; calyx 4- 

 cleft; flowers globose, octandrous. Mountains. Penn. to Car. Shrub. 

 4 f. Flowers yellowish brown. 

 ferrugi%"ea, leaves lance-obovate ; flowers urceolate, octandrous. S. 



MESEMBRYANTHEMUM. 11—5. (Ficoidece..] [From wjeseTnfina, mid-day, and ara^Aos, few- 

 er, so called because its flowers expand at noon.] 

 crystali'num, (ice plant, w. Au. (v).) branching; leaves alternate, ovate, papil- 

 lose-, flowers sessile-. ca\ys. broad-ovate, acute, retuse. Ex. 



MESPiLiUS. 11—5. {Rosacea..) 

 germani'ca, (medlar, T^.) leaves lance-ovate, downy beneath; flowers sessile^ 



solitary. 

 oxvcan"tha, (English .lawthorn.) 



