550 LABIAT^E MONARDELLA 



MICROMERIA 



long as the internodes, all petioled : heads often peduncled, 6-8 lines high : 

 bracts foliaceous, spreading or reflexed, lanceolate to ovate, sometimes 

 acuminate from an orbicular base: calyx about 5 lines long, pubescent; 

 its triangular-subulate teeth ciliate : corolla purple to white; its pubescent 

 tube almost filiform, hardly at all enlarged upward, not longer than the 

 calyx ; its linear lobes nearly as long as the tube. On gravelly banks and 

 bars of the Rogue river, Oregon. 



M. pnrpnrea. Verv smooth and shining except the inflorescence : 

 whole herbage usually reddish-purple: stems slender, 3-8 inches high, 

 simple, from a woody perennial base: leaves oblong-ovate to lanceolate, 

 4-12 lines long, mostly longer than the internodes, all petioled, very entire 

 and obtuse: heads broad and rather loose, 8-10 lines high, often peduncl- 

 ed : bracts broadly ovate to oblong, never reflexed, tinged with purple, 

 villous-ciliate, 4-6 lines long : calyx about 5 lines long, glabrous ; its subu- 

 late teeth hirsute : corolla about 10 lines long ; its pubescent tube very 

 slightly enlarged upward, much longer than the calyx the linear lobes 

 about 4 lines long. In dry rocky places, eastern base of the Coast Moun- 

 tains, southwestern Oregon. 



M. odoratissima Benth. Lab. 332. Somewhat cinereous with a min- 

 ute scurfy puberulence: stems often stoutish and much branched, 4-10 

 inches long, very numerous from a perennial woody base, decumbent or 

 ascending : leaves lanceolate or oblong-lanceolate, subsessile, 4-12 lines 

 long, mostly longer than the internodes, acute at both ends : heads 6-10 

 lines high : bracts broadly ovate, very obtuse, 4-6 lines long : calyx about 

 5 lines long, puberulent. its triangular acute teeth softly villous : corolla 

 rose-color, its pubescent tube slightly dilated upward, a line or more lon- 

 ger than the calyx, lobes oblong-linear, 3-4 lines long. In rocky ravines, 

 eastern Washington to California and the Rocky Mountains. 



M. discolor Greene Pitt, ii, 24. " Rigidly suffrutescent, diffuse, a 

 span high: leaves small, (}^-% inch long), ovate-lanceolate, entire, short- 

 petioled, green and nearly glabrous above, white-tomentose beneath, 

 scarcely punctate, the veins prominent beneath : heads small, bracts few, 

 ovate or oblong, obtuse, of firm texture, tomentose-canescent, not colored, 

 parallel -ner ved : calyx-teeth short, acutieh, woolly-hairy without: corollas 

 light purple. " 



" Gravelly banks of the Yakima River near Clealum Washington. " 



6 MICROMERIA Benth, in Bot. Reg. under n. 1282. 



Shrubs or herbs with entire or merely dentate leaves^ and small 

 flowers in bracted spikes, or few in the axils of the leaves. Calyx 

 tubular, 13-15-nerved, 5-toothed, the teeth subequal or somewhat 

 bilabiate. Corolla short, its straight tube usually shorter or 

 hardly longer than the calyx ; the limb bilabiate ; upper lip erect 

 entire or emarginate, lower lip spreading, 3-lobed. Stamens 4, 

 arcuate, shorter than the corolla, the anterior pair longest : an- 

 thers 2-celled. Style beardless. 



M. Donglasii Benth. Lab. 372. Minutely pubescent : stems slender, 

 simple, trailing, 6-20 inches long: leaves round-ovate, crenate, 6-12 lines 

 long, on petioles 2-3 lines long : flowers usually solitary in the axils of the 

 leaves in the middle of the stem, on filiform peduncles 4-6 lines long; 

 calyx about 4 lines long, its acute triangular teeth less than a line long : 

 corolla about 6 lines lone, white, narrow-funnelform, with slender tube 

 about equalling the calyx, ampliate throat and short rounded lobes. 

 Common in wooded districts, Brit. Columbia to California. 



