LABIATE. (MINT FAMILY.) 99 



* Perennial, in tufts from a procumbent and almost woody base. $ ~ 



1. M. villosa, Benth. Soft-pubescent or villous a foot or two high; leaves ovate, 

 often with a few obtuse teeth, being 6 to 10 lines long, petioled. Sometimes nearly 

 smooth. 



* * Annual; leaves entire or undulate. 



2. M. undulata, Benth. A span to a foot or more high; leaves from oblong 

 Bpatulate to nearly linear with a narrowed base, obtuse, undulate-margined, about an inch 

 long; bracts and calyx villous; corolla rose-color. Has the odor of Peppermint. 



3. M. Breweri, Gr. A span or more high; leases oblong or ovate, pinnately veined, 

 the larger an inch long; bracts broadly ovate, cuspidate, whitish-scarious, the outer 

 pinnately and the inner nervosely 7-9-ribbed; corolla rose-purple. 



4. M. Douglasii, Benth. Loosely branclied; leaves lanceolate, an inch long, taper- 

 ing into the petiole; the silvery white or purple-tinged bracts mostly transparent, with a 

 Btrong marginal vein connected with the midrib by pinnate veins. Strong-scented; co- 

 rolla deep rose-color. 



5. MICROMERIA, Benth. 



Calyx not gibbous. Corolla short; upper lip erect, flattish, entire or emarginate; 

 lower spreading, 3-parted. Low plants, sweet-odorous, with small axillary flowers. 



1. M. Douglasii, Benth. YERBA BUENA. Perennial herb, with long slender creep- 

 ing and trailing stems; leaves round-ovate, thin, sparingly toothed, short petioled, an 

 inch long or less; flowers mostly solitary on a long filiform 2-bracteolate peduncle; co- 

 rolla purplish or white, 4 lines long. 



2. M. purpurea, Gr. Erect, much branched; leaves lanceolate, acuminate, sparsely 

 serrate; flowers in umbel-like clusters; corolla purple-blue, 2 lines long. 



6. POGOGYNE, Benth. 



Calyx cleft to below the middle; the 2 lower teeth longer; corolla straight, tubular- 

 funnclform, with short lips; the erect and entire upper lip and the three lobes of the 

 spreading lower one oval and somewhat alike. Stamens with the upper shorter pair 

 sometimes sterile; the anther cells parallel and pointless. Style somewhat exserted, 

 bearded above. Low annuals, sweet-aromatic; with oblong or oblanceolated leaves nar- 

 rowed into a petiole; flowers mostly crowded and interrupted spicate; bracts and calyx 

 hirsutc-ciliatc; the corolla blue or purplish. 



* Stamens all four with anthers; style conspicuously bearded above, and its subidate lobe* 

 almost equal; corolla 6 to 9 lines lonr/; Jlowers densely crowded into an oblonrj cylindri- 

 cal spike, which is conspicuously white-hirsute with the long, stiff, ciliate hairs of the 

 calyx. 

 1. P. Douglasii, Benth. Hather stout, a span to a foot high; leaves veiny, some- 



