782 SCROPHULARIACEAE 



16. VERONICA (Tourn.) L. Speedwell, Brooklime. 



Annual or perennial, caulescent herbs. Leaves opposite or rarely alternate 

 or whorled, entire or toothed. Flowers perfect, axillary, racemose, spicate, or 

 soHtary. Calyx of 4, rarely 5, slightly united sepals. Corolla rotate, only 

 slightly irregular, 4-Iobed, the lower lobe usually narrower than the rest. Sta- 

 mens 2, one on each side of the upper corolla-lolDe. Styles wholly united. Stig- 

 mas capitate. Capsule flat, usually notched or 2-lobed at the apex, loculicidal. 

 Seeds flattened or concave on the sides. 



Flowers in axillary racemes. 



Leaves all short-petioled ; leaf-blades ovate, oblong or oval. 1. V. americana. 

 Leaves of the flowering shoots at least sessile, lanceolate to linear. 



Pedicels less than twice as long as the fruit, the latter not strongly flattened; 

 leaves broadly lanceolate. 2. V. Anagallis-aquatica. 



Pedicels several times as long as the fruit, the latter strongly flattened; leaves 

 Unear-lanceolate or linear. 3. V. scutellata. 



Flowers in terminal spikes or racemes, or soUtary in the axils of tlie leaves. 



Perennials; flowers in terminal spikes or racemes; bracts reduced and unlike the 

 leaves. 

 All leaves sessile, ovate or oval to oblong. 



CoroUa 4-5 mm. wide, campanulate, blue; capsules obovate or oval, merely 



emargtnate. 4. V. Wormskjoldii. 



CoroUa 8-9 mm. wide, broadly fiumelform, violet; capsxfle obcordate. 



5. V. Cusickii. 

 Lower leaves petioled; blades roimded oval or the upper oblong; capsule obcoi- 

 date. 0. V. serpyllifolia. 



Annuals; flowers soUtary in the axUs of the leaves, i. e., bracts resembling the other 

 leaves and only shghtly reduced. 

 Pedimcles shorter than the leaves. 



Leaf-blades spatulate, oblong, or linear; capsule emarginate. 



7. V. xalapensis. 

 Leaf-blades oval or ovate, or the upper lanceolate; capsule obcordate. 



8. V. arvensis. 

 Peduncles as long as the leaves or usually longer. 



l^eaf-blades ovate, or oblong, crenate. 

 Corolla less than 6 mm. wide. 



Capsule narrowly emarginate. 9. V. agrestis. 



Capsule deeply cleft to near the base. 10. V. campylopoda. 



Corolla 9-11 mm. broad; capsule with an ojien shallow apical sinus. 



11. V. Buibaumii. 

 Leaf-blades orbiciUar or reniform, 3-5-lobed. 12. V. hederaefolia. 



1. V. americana Schwein. Stem erect or decumbent, 1-6 dm. high, sometimes 

 branched ; leaves petioled ; blades ovate to oblong-lanceolate crenate or serrate or 

 sometimes entire, rounded or truncate at the base; racemes loosely-flowered; corolla 

 blue or nearly white, 4—5 mm. broad; capsule thick, shghtly notched, broader than 

 long. V. oxylobula Greene. V. crenalifolia Greene, a reduced form. In water: 

 Newf.—Va.—N.M.— Calif.— Alaska. Plain— Subalp. My-Au. 



2. V. Anagallis-aquatica L. Stem glabrous or glandular pubescent above, 

 2-9 dm. high, branched; leaves sessile, lanceolate or oblong, 2-12 cm. long, 

 acute, finely serrate or entire, often clasping; racemes spreading, many-flowered; 

 corolla bhie, 4-5 mm. broad; capsule minutely notched, suborbicular. Wet 

 places and shallow water: N.S. — N.C. — Ariz.- — B.C.; Eurasia and S. Am. Plain 

 —Submont. My-S. 



3. V. scutellata L. Stem ascending or decumbent at the base, 1-5 dm . 

 liigh; leaves sessile, linear or lance-linear, acute, entire or remotely denticulate; 

 racemes slender, divergent, zigzag; corolla 8-10 mm. wide; capsule flat, deeply 

 emarginate. Swamj)s and wet places: Newf. — N.Y. — Colo. — Calif. — B.C. — 

 Yukon. Plain — Suhnnnit. Je-Au. 



4. V. Wormskjoldii R. & S. Stem 1-3 dm. high, glandular-viUous above, 

 glabrate below, strict; leaves ovate, oval, or elliptic, 1-3 cm. long, sessile, entire 

 or crenulate, drying black; coroUa dark blue, campanulate, 4-5 mm. broad; cap- 

 sule elliptic-obovate, emarginate. V. alpina unalaschkensis C. & S. Wet mea- 

 dows: Greenl. — N.H. — S.D. — N.M. — Ariz. — Alaska. Mont.—Suhalp. Je-S. 



5. V. Cusickii A. Gray. Stem 1-2 dm. high, glabrous or puberulent, gland- 

 ular in the inflorescence; leaves oval to oblong, entire, 1-3 cm. long, darkening 

 in drying; corolla open, with rounded lobes; cajisule 6-7 mm. long. Along brooks: 

 Ore. — -Ida. — Wash. Submont. — Subalp. Jl-Au. 



