834 FLORA. 



8. Veronica peregrina L. PURSLANE SPEEDWELL. NECKWEED. (I. F. f. 

 3294.) Annual, glabrous, or glandular-puberulent; stem 0.7-3 dm. high. Leaves 

 oblong, oval, linear or slightly spatulate, 6-20 mm. long, the lowest opposite, 

 short-petioled, or sessile, broader than the upper and usually denticulate, the 

 upper alternate, sessile, mostly entire, each with a short pedicelled flower in its 

 axil; flowers nearly white, about 2 mm. broad; pedicels much shorter than the 

 calyx; capsule nearly orbicular, obcordate, usually a little shorter than the calyx, 

 2-3 mm. high, the seeds flat. In moist places, and common as a weed in culti- 

 vated soil, N. S. to Br. Col., Fla., Mex. and Cal. Also in Cent, and S. Am., and 

 as a weed in the Old World. May-Oct. 



9 Veronica arvensis L. CORN OR WALL SPEEDWELL. (I. F. f. 3295.) 

 Annual, pubescent; stem slender, at length much branched and diffuse, 0.7-2.5 dm. 

 long. Lower leaves ovate or oval, opposite, obtuse at both ends, crenate or crenu- 

 late, 4-12 mm. long, the lowest petioled; upper leaves sessile, alternate, ovate or 

 lanceolate, acute or acutish, commonly entire, each with a short-pedicelled flower 

 in its axil; peduncles shorter than the calyx; corolla blue, or nearly white, 2 mm. 

 broad or less; capsule broadly obovate, obcordate, 2 mm. high. In fields, woods 

 and waste places and in cultivated soil, N. S. to Ont. and Wash., Fla., Kans. and 

 Tex. Also in Bermuda. Nat. from Europe. March-Sept. 



10. Veronica agrestis L. FIELD OR GARDEN SPEEDWELL. (I. F. f. 3296.) 

 Annual, pubescent; stems creeping or procumbent, very slender, 0.7-2 dm. long, 

 the branches ascending or spreading. Leaves broadly ovate or oval, obtuse at the 

 apex, rounded, truncate or subcordate at the base, crenate, short-petioled, or the 

 uppermost sessile, the lower opposite, the upper alternate and each with a slender- 

 peduncled small blue flower in its axil; capsule broader than high, compressed, 

 narrowly emarginate, 4 mm. broad; seeds few, hollowed out on the inner side. In 

 fields and waste places, N. S. to N. J. and La. Nat. from Europe. May-Sept. 



11. Veronica Byzantina (Sibth. & Smith) B.S.P. BUXBAUM'S SPEEDWELL. 

 (I. F. f. 3297.) Annual, pubescent; stems diffusely branched, 1.5-4 dm. long. 

 Leaves ovate or oval, short-petioled, crenate-dentate or somewhat incised, 

 8-25 mm. long, the lowest opposite, the upper alternate and each with a slender- 

 peduncled rather large blue flower in its axil; corolla 6-8 mm. broad; capsule 

 twice as broad as high, 6 mm. broad, with a wide and shallow emargination at 

 the summit; seeds few or several, hollowed out on the inner side. In waste 

 places, N. S. to N. Y. and Ohio. Adventive or nat. from Europe. May-Sept. 



12. Veronica hederaefolia L. IVY-LEAVED SPEEDWELL. (I. F. f. 3298.) 

 Annual, pubescent; stems slender, diffusely branched, 0.7-4.5 dm. long. Leaves 

 orbicular or broader, truncate or subcordate at the base, 3~5-lobed or 3~5-crenate, 

 petioled, 0.6-2.5 cm. in diameter, the lower opposite, the upper alternate and with 

 slender peduncled small blue flowers in their axils; corolla 4 mm. broad, scarcely 

 longer than the calyx; capsule little compressed, 2-lobed, broader than high, shorter 

 than the densely ciliate sepals, 2-4-seeded ; seeds excavated on the inner side. In 

 thickets, fields and waste places, N. Y., Penn. and N. J. to S. C. Nat. from 

 Europe. April-Oct. 



20. LEPTANDRA Nutt. 



Tall, erect perennial herbs, with verticillate or opposite leaves, and small 

 minutely bracted white or blue flowers, in dense peduncled spike-like racemes, 

 terminal, or in the upper axils. Calyx 4-parted, short. Corolla tubular, or 

 salverform, nearly regular, 4-lobed, the tube cylindric, longer than the lobes. 

 Stamens 2, exserted, inserted low down on the corolla-tube; filaments filiform; 

 anthers obtuse. Style about as long as the stamens, stigma minute. Capsule nar- 

 rowly ovoid, scarcely compressed, not emarginate nor obcordate, 4-valved at the 

 apex. Seeds numerous, oval, minutely reticulated. [Greek, slender stamens, 

 referring to the filaments.] Two species, one native of eastern N. Am., the other 

 of northeastern Asia. 



i. Leptandra Virginica (L.) Nutt. CULVER'S-ROOT. (L F. f. 3299.) Stem 

 glabrous, or nearly so, simple, strict, 6-21 dm. high. Leaves verticillate in 3*5- 

 9's or some of the upper ones opposite, lanceolate or oblong- lanceolate, short- 

 petioled, long-acuminate, sharply serrulate, narrowed at the base, glabrous both 

 sides, or pubescent beneath, 7-15 cm. long; racemes 7-23 cm. long, very dense, 



