

Menthaceae 337 
MELISSA GARDEN BALM 
Herbs, perennial (ours), leafy, branching. Leaves wide, dentate; in ours ovate, 
petioled,.2.5—7 cm. long. Flowers rather small, white or yellowish, in axillary clusters. 
Calyx oblong-campanulate, | 3-veined, 2-lipped; upper lip 3-toothed; lower lip 2-parted. 
Cordlla-tube curved-ascending, larger above, naked inside; limb 2-lipped; upper lip 
emarginate; lower lip 3-cleft. Stamens 4, 2 shorter. Nutlets ovoid, smooth. (Greek 
name of the honey-bee; the flowers are very sweet.) E. 
M. officinalis L. 
POGOGYNE 
Herbs, annual, ours |0—30 cm. high. Leaves mostly entire; in ours oblanceolate 
to obovate, petioled, 1.8—3 cm. long. Flowers many, small, in spikes; spikes dense or 
interrupted, terminal, bracted. Calyx unequally 5-cleft; tube campanulate or turbinate, 
15-veined; teeth hirsute-ciliate. Corolla straight, tubular-funnelform, 2-lipped, white 
with purple dots (ours) ; lips short; upper lip erect, entire; lower lip 3-lobed, spreading. 
Stamens 4, upper 2 shortest, lower 2 sometimes antherless. Style somewhat exserted, 
bearded above. (Gk. pogon—a beard, gyne—the pistil; referring to the bearded style.) 
U. P. douglasii Benth. 
MADRONELLA (Monardella) 
Herb or somewhat shrubby, annual or perennial. Leaves mostly entire. Flowers 
small, purple or red or white, bracted, in terminal heads; bracts wide, often membranous, 
often colored. Calyx tubular, 10—13-veined, 5-toothed; teeth short, nearly equal, 
straight. Corolla-tube as long as the calyx; throat glabrous inside; limb somewhat 2-lipped; 
upper lip 2-cleft; lower lip 3-cleft, the lobes nearly equal. Stamens 4, equal or the lower 
2 longer, exserted. (An anagram of Monardella, the diminutive of Monarda.) 
A. Leaves white-tomentose or tomentulose beneath. 
B. Leaves paler beneath than above, veins not prominent. C. E. 
M. discolor Gr. 
BB. Leaves not paler beneath, veins prominent. E. 
M. nervosa Gr. 
AA. Leaves not so beneath. 
C. Plant somewhat canescent. U. 
. M. villosa, (Benth. ) 
CC. Plant glabrous or puberulent except the inflorescence. 
D. Leaves not as long as the stem-internodes. U.E. (Apparently M. parvifolia.) 
M. reflexa (How.) 
DD. Leaves mostly longer than the stem-internodes. 
E. Plant very smooth and shining except the inflorescence; leaves obtuse. E. 
M. purpurea Nels. 
EE. Plant somewhat ashy-gray with scurfy puberulence; leaves acute. E. 
M. odoratissima Gr. 
LYCOPUS. WATER HOREHOUND 
Herbs, perennial by slender stolons or suckers; stems erect or diffuse. Leaves sessile 
or petioled, in ours lanceolate or wider. Flowers small, white or purple, bracted, whorled 
in dense axillary clusters. Calyx campanulate, regular or nearly so, 4——5-toothed. Co- 
rolla campanulate to cylindric, equaling or exceeding the calyx; limb either nearly equally 
