MINT FAMILY _ 751 



Bracts thin and pale, oval to orbicular; leaves usually entire. 



Leaves tomentulose, especially beneath. 1. M. odoratissima. 

 Leaves sparingly and minutely puberulent or glabrous. 

 Calyces and bracts 8-12 mm. long. 



Stem stout; leaves subsessile, ovate. 2. M. sessilifolia. 



Stems slender; leaves distinctly petioled, oblong. 3. AI. oblongi folia. 



Calyces and bracts about 6 mm. long. 4. M. panifulia. 

 Bracts thick, resembling the leaves, lanceolate or ovate-lanceolate, obtuse; leaves usually 



dentate. 5. M. dentata. 



1. M. odoratissima (Benth.) Greene. Stems decumbent at the base, more 

 or less grayish pilose, with short hairs; leaves oblong or lance-oblong, subsessile 

 or the lower short-petioled, 2-3 cm. long; bracts oval, densely pilose and cihate 

 on the margins, 8-10 mm. long; cahoc-lobes narrowly lanceolate, strongly ciliate; 

 corolla about 12 mm. long. Monardella odoratissima Benth. Mountains: Ore. 

 — Wash. — Ida. Suhmont. Jl-Au. 



2. M. sessilifolia Rj-db. Stems stout, about 3 dm. high, finely puberulent; 

 leaves entire, obtuse, rather pale; bracts oval, 10-12 mm. long, puberulent on 

 the back, ciliate on the margins; caljTC-lobes lanceolate, about 1 mm. long; 

 corolla 12-13 mm. long, pubescent. Dry hills: s Utah. Son. 



3. M. oblongifolia Rydb. Stems 1-3 dm. high; leaf-blades oblong, 1-3 cm. 

 long, entire, obtuse; bracts pale or tinged with rose, finelj' puberulent, cihate on 

 the margins, oval; calyx-teeth lanceolate, and strongly ciliate; coroUa white to 

 rose-colored, 12-14 mm. long, puberulent. M. purpurea A. Xels., in part. Dry 

 mountain sides: Utah — Xev. — Ida. Suhmont. — Mont. Jl-Au. 



4. M. parvifolia (Greene) Rydb. Stems many, decumbent at the base, 

 puberulent; leaf -blades ovate-lanceolate or oblong-lanceolate, obtuse, entire, 

 1-1.5 cm. long; bracts shghtly rose-tinged, puberulent, cihate-margined ; calyx- 

 lobes lanceolate, not conspicuously cihate; coroUa hlac-purple, scarcely 1 cm. 

 long. Monardella parvifolia Greene. Canons: Colo. Suhmont. Jl-Au. 



5. M. dentata Rj^db. Stems slender, hght brown, about 3 dm. high; leaves 

 short-petioled; blades ovate, 1.5-2 cm. long, serrate-dentate, finely pubescent 

 and strongly punctate, obtuse, strongly veined beneath; calyx about 8 mm. long, 

 grayish pubescent; lobes lanceolate; coroUa about 12 mm. long. Mountains: 

 Colo. Suhmont. 



25. MICROMERIA Benth. Tea-vine, Yerba Buena. 



Perennial herbs or somewhat shrubby plants, often with creeping stems. 

 Leaves opposite, entire or sparingly toothed, petioled. Flowers perfect, either 

 sohtary or in small clusters in the axils. Calyx nearly tubular, 13-ribbed, 

 shghtly 2-hpped, but the 5 teeth nearly equal. CoroUa smaU, 2-hpped; upper 

 Up erect, usuaUy very smaU; lower Up 3-lobed, with the middle lobe often notched. 

 Stamens 4, anther-bearing; anthers 2-celled, with divergent sacs. Nutlets 

 smooth. 



1. M. Chamissonis (Benth.) Greene. Stem decumbent, traiUng or creep- 

 ing, 2-5 dm. long, finely puberulent; leaf -blades broadly ovate or rounded, 

 crenate or entire, 1-3 cm. long, shghtly puberulent or glabrate; calj-x naked in 

 the throat, 4 mm. long; coroUa about 1 cm. long. M. Douglasii Benth. Woods: 

 B.C. — Ida. — -Calif. Suhmont. ]\Iy-Au. 



24. LYCOPUS (Tourn.) L. Water Horehotjnd, Bugle Weed. 



Perennial caulescent herbs, mostly odorless, often stoloniferous. Leaves op- 

 posite, entire, toothed, or pianatifid. Flowers perfect, in remote axiUary verti- 

 cils. Cah^ regular or nearly so, 4- or 5-toothed. CoroUa funnelform or cam- 

 paniilate; lobes 4, nearly equal, or one of them broader. Anther-bearing stamens 

 2, -with or without 2 additional rudimentary filaments. Anther-sacs 2, paraUel. 

 Nutlets 3-angled, truncate, smooth. 



Calyx-teeth ovate, obtusish, shorter than the nutlets. 1. L. communis. 



Calj^-teeth lanceolate or subulate, acute or acuminate, longer than the nutlets. 



Stem and lowei surface of the leaves densely and finely pubescent, the former often 

 velvety. 2. L. velulinus. 



