SCROPHULARIACEAE. 225 



Synthyris reniformis (Dougl.) Benth. Glabrous below the inflorescence; 

 stems 10-30 cm. high; leaves all basal, orbicular, 2-5 cm. broad, reniform at 

 base, with many short lobes, these coarsely crenate; petioles much longer than 

 the blades; scapes erect, the raceme spike-like; a few bracts below the in- 

 florescence; calyx-lobes oblong, obtuse; corolla blue; capsule flattened, notched 

 at apex, 5-7 mm. long. In the mountains at high altitudes. Blue Mountains; 

 Kamiack Butte; Craig Mountains, Idaho. 



Synthyris rubra (Dougl.) Benth. Erect, 30-50 cm. high, whitish-pubescent 

 throughout; basal leaves ovate, obtuse, somewhat cordate and cuneate at base, 

 crenate, 2-6 cm. long, long-petioled ; cauline smaller, sessile; spike densely 

 flowered; calyx greenish or reddish, the sepals oblong, viscid-pubescent, 

 4 mm. long; corolla none; stamens much exserted, inserted on the hypogynous 

 disk; capsule globose, somewhat flattened, rounded at apex, longer than the 

 sepals. Common on grassy hillsides. 



336. VERONICA. Speedwell. 



Chiefly herbs; leaves opposite or whorl ed, or the upper alter- 

 nate; flowers small, in racemes or spikes or sometimes solitary 

 in the axils; calyx 4-parted; corolla rotate, 4-parted, the lower 

 lobes and sometimes the lateral ones narrower; stamens 2, 

 exserted; style entire; stigma single; capsule flattened, few- 

 many -seeded. 



Annuals; flowers solitary. 



Glabrous or merely puberulent; petals white; leaves mostly 



entire. V. peregrina. 



Pubescent; petals blue; leaves crenate. 



Pedicels short; upper leaves reduced. V. aniensis. 



Pedicels long; upper leaves not reduced. V. lournefortii. 



Perennials; flowers in racemes. 



Peduncles terminal. V. humifusa. 



Peduncles axillary. 



Leaves linear or linear- lanceolate ; capsule deeply 



notched. V. sculellata. 



Leaves oblong-lanceolate to ovate; capsule with a 



shallow notch. V. americana. 



Veronica peregrina L. Annual, erect, branched from the base, glabrous 

 or puberulent and glandular, 8-40 cm. high; lower leaves opposite, petioled, 

 oblong, obtuse, dentate; upper alternate, linear, obtuse or acute, entire or 

 nearly so, 1-2 cm. long; flowers white, solitary in the axils; pedicels very short, 

 not as long as the flowers; corolla 1-2 mm. broad; capsules orbicular, notched, 

 about as long as the calyx. Common in moist places, variable. 



Veronica arvensis L. Annual, pubescent; stems simple or branched at 

 base, S-20 cm. high, erect or nearly so; leaves ovate, crenate, the lower short- 

 petioled, the upper sessile; bracts lanceolate, entire; flowers small, short- 

 pedicelled; corolla pale blue, shorter than the calyx; capsule obcordate. In- 

 troduced in fields. 



Veronica toumefortii C. C. Gmel. Leaves about 1 cm. long, orbicular or 

 broadly ovate, often subcordate, crenately toothed, the blades shorter than 

 the pedicel; corolla 1 cm. broad; calyx-lobes _ ovate-lanceolate, spreading; 

 capsule triangular, deeply notched. Sparingly introduced from Europe. 



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