Mint Family 345 



3. R. stachyoides( Benth.) Briquet. (BLACK SAGE.) Ciriereous- 

 tomentose or glabrate, shrubby, I m. high or more, branching 

 and leafy; leaves oblong-lanceolate, narrowed at base or short- 

 petioled, crenate, green and rugose above, cinereous-tomentose 

 beneath; flowers in interrupted spicate heads or whorls; the 

 floral leaves much reduced, these and the ovate or oblong bracts 

 as well as the calyx-teeth of the bilabiate calyx cuspidate-acumi- 

 nate or spinulose-aristulate ; corolla white or lilac-tinged, about 

 1 cm. long, the tube longer than the limb; style, and especially 

 the stamens, little exserted ; subulate appendages of the connect- 

 ive often manifest. 



Common on the low hills throughout our range. April-June. 



4. R. polystachya (Benth.) Greene. (WHITE SAGE.) Shrubby 

 below, 1 m. high or more, minutely tomentose-canescent, the 

 branches virgate; leaves mostly very white on both surfaces, 

 oblong-lanceolate, minutely rugose and crenulate, 5-8 cm. long; 

 inflorescence thyrsoid-paniculate, 3-6 dm. long; the floral leaves, 

 bracts and bractlets small and loose, at length reflexed, lanceolate 

 or subulate, cuspidate-tipped ; flowers sessile, loose ; upper lip of 

 calyx truncate or 3-toothed, at length concave or galeate, longer 

 than the triangular-subulate lower lip; corolla white or nearly 

 so, the lower lip much enlarged, the middle lobe rounded, emar- 

 ginate at apex, unguiculate, the upper lip short ; tube very short ; 

 style and divergent stamens long-exserted ; filiform connective 

 continuous with the filament, its lower end usually indicated by 

 a minute tooth. 



Very common on the dry plains toward the foothills and ascending these 

 to about 3000 feet. April-July. 



7. SPHACELE Benth. 



Shrubby or suffrutescent aromatic plants with the 

 floral leaves gradually reduced with rather large flowers 

 solitary in their axils, forming a leafy raceme. Calyx 

 campanulate, deeply and nearly equally 5-toothed, 

 membranous in fruit, naked within. Corolla with a 

 broad tube, with a hairy ring at its base within, and 5 

 broad or roundish and plant, rather erect lobes. Stamens 

 4, distant, somewhat ascending ; filaments naked ; anther- 

 sacs divergent. 



