342 Labiatae 



throat, narrow ; the limb strongly 2-lipped, the upper 

 lip erect or slightly turned back, overarched or concave, 

 entire or emarginate, lower lip spreading, 3-lobed, the 

 middle lobe broader than the often deflexed lateral ones, 

 sometimes 2-lobed. Stamens 4, didynamous, ascending 

 under the upper lip, the anterior pair the longer, some- 

 times deflexed or twisted after anthesis ; anthers con- 

 tiguous in pairs. Ovary deeply 4-lobed ; style 2-cleft, 

 the lobes subulate. Nutlets ovoid or oblong. 



1. S. ajugoides Benth. Villous with very soft white hairs, 1.5-3 

 dm. high ; leaves oblong, very obtuse, crenately serrate, 2. 5-7 cm. 

 long, roundish or acutish at base, the lower petioled, the upper 

 sessile, the floral as long as the subtended flowers ; flower-clus- 

 ters mainly distant ; calyx short-campanulate or becoming tur- 

 binate in fruit, very slightly villous, the teeth triangular-ovate, 

 aristate-acuminate, nearly equaling the corolla-tube ; corolla 

 whitish, its lips 4-6 mm. long, the upper woolly on the back. 



Frequent along streams in the valleys and in the lower altitudes of the 

 mountains below the pine belt. April-August. 



2. S. albens Gray. Sof t-tomentose or lanate with white wool, 

 3-15 dm. high, leafy ; leaves oblong to ovate, usually with a more 

 or less cordate base, acutish at apex, 5-8 cm. long, the lower 

 short-petioled, the upper nearly sessile, the floral mostly shorter 

 than the dense interrupted capitate clusters of thevirgate spikes; 

 calyx turbinate-campanulate, the teeth triangular, aristulate, 

 nearly equaling the corolla-tube; corolla as in the last. 



Frequent along marshes and streams in the valleys and extending into 

 the pine belt of all our mountains. May-August. 



3. S. Californica Benth. Stems rather slender, simple from 

 the base or branched, 4-8 dm. high, sparsely retrorsely hispid, 

 especially on the angles, and more or less glandular with sessile 

 glands; leaves ovate-oblong, subcordate at the base, the lowest 

 rather long-petioled, sparsely villous-hispid, crenate ; flowers 

 about 6 in the whorls, these rather remote; calyx campanulate- 

 turbinate, the teeth triangular, cuspidate, spreading in age; co- 

 rolla purple, its tube about twice the length of the calyx, with a 

 horizontal hairy ring at its base within. 



Frequent on shaded slopes and in canyons in all the mountains and foot- 

 hills. April-July. 



