SCttTELLABiA tiABlAT^ 555 



Corolla much exserted, recurved-'ascending, dilated above, glab-' 

 rons within, the limb bilabiate: upper lip arched, entire or emar- 

 ginate : the lower lip spreading or deflexed, its lateral lobes small 

 and somewhat connected with the upper, the middle lobe broad 

 and sometimes emarginate, the margins mostly recurved. Sta- 

 mens 4, all antheriferous. Nutlets borne on a short or elongated 

 gynobase. 



S. lateriflora L. Sp. 598. Perennial by stolons : glabrous throughout 

 or pubescent above : stems slender, erect or ascending, usually branched, 

 1-2 feet high, leaves ovate to ovate-lanceolate, thin, acute or acuminate at 

 the apex, coarsely dentate-serrate, obtuse narrowed or subcordate at base,. 

 1-3 inches long, all on slender petioles an inch or more long : flowers in 

 narrow, secund, axillary and often also terminal racems, leafy-bracted 

 below, several- to many-flowered : calyx about a line long : corolla blue to 

 nearly white, 3-5 lines long, its lips about equal, one-fifth as long aa the 

 tube : nutlets borne on a very short gynobase. In wet places, Oregon to 

 Brit. Columbia and across the Continent, , 



S. nana Gray Proc. Am. Acad, ii, 100. Minutely puberulent: stems 

 1-2 inches high, from thick subterranean shoots, much branched from 

 near the base : leaves crowded, from obovate to spatulate, entire, 6-12 lines 

 long, thickish, tapering below to a short petiole: flowers solitary and op- 

 posite in the axils of the upper leaves, calyx about 2 lines long,: corolla 

 white or yellowish, 6-8 lines long, with rather broad dilated throat, the 

 lips about equal in length, In claye soil, southeastern Oregon to Nevada . 



S. tnberosa Benth. Lab. 441. Soft-villous or pubescent : perennial by 

 ' tubers that terminate filiform underground stolons : stems 2-5 inches high, 

 branching from the base, denselv leafy : leaves thin, from ovate or oblong 

 to broadly lanceolate, obtuse, at the apex, subcordate to tapering at base, ■ 

 the blade 3-6 lines long, coarsely few-toothed, all petioled: flowers solitary 

 and opposite in the axils of the leaves: calyx about2 lines long, soft- villous, 

 enlarged in fruit: corolla blue or violet, 7-9 lines long: nutlets strongly 

 muricate. In loose soil on dry wooded hillsides, southern Oregon to 

 California. 



S. angnstifolia Pursh Fl. ii, 412. Minutely pubescent or almost glab- 

 rous : stems erect or ascending, 6-12 inches high; often branched, perennial 

 by woody and fibrous roots: leaves from linear to narrowly oblong, entire, 

 tapering at base, the blade 6-15 lines long, short-petioled, or the uppei- 

 ones sessile, the radical leaves often roundish or even cordate, and some- 

 times toothed : flowers solitary in the axils of the upper leaves: calyx jn 

 fl o wer but little more than a line long, becoming much enlarged in fruit, 

 split to the base: corolla blue or viol6t, 10-12 lines long, with slender tube 

 nearly straight at base and moderately enlarged throat, the broad lower 

 lip villoiis within : nutlets minutely granulate. In dry places in tl^e m nu - 

 taijciB, Brit. Columbia to California. 



S. siphocampyloides Vatke Bot. Zeit. xxx, 717. Tomentulose-canes- 

 cent: stems erect, 6-12 inches high, branching, perennial by woody and 

 fibrous roots : leaves from linear to narrowly oblong, entire, 6-15 lines long, 

 short-petioled, or the upper sessile: flowers solitary in the axils of the 

 upper leaves: calyx about a liue long in flower, enlarged in fruit: corolla 

 blue to violet, 10-12 lines long, the slender tube recurved at base, and 

 above this erect or thrown somewhat backward, the throat moderately en- 

 larged upward. In canyons, southern Oregon to western California. 



S. antirrhinoides Benth. Bot. Reg. xviii, under 1493. Glabrous or 

 minutely puberulent : stems somawhat cespitose at the ends of white fleshy 

 underground shoots, 7-8 inches high : leaves oblong or somewhat lane eolate 



