β. reniformis. Lvs. sessile, reniform, entire. (V. reniformis Raf.)
13 V. spicata L. Spiked Speedwell. Erect, tall; lvs. petiolate, ovate-oblong or lanceolate, lower ones obtuse, crenate, upper acute, crenate-serrate, entire at apex; rac. mostly solitary; pedicels much shorter than the sepals; cal. mostly hoary-pubescent.- Europe and Asia. A beautiful garden species with numerous varieties. Flowers blue, roseate, etc.†
14 V. gentianoides Vahl. St. caespitous; flowering branches erect, simple ; lvs. thick, entire, or sparingly crenate; lowest crowded, obovate or oblong, the rest remote, oblong or lanceolate, the floral bract-like ; rac. loosely many-flowered, pubescent; ped. many times longer than the calyx.-Fls. rather large, bluo. † Asia.
25. BUCHNE'RA, L. Blue-hearts. (In honor of J. G. Buchner, a German botanist, 1743.) Calyx 5-toothcd; corolla salver form, tube slender, limb flat, in 5, obovate-oblong, subequal lobes ; stamens 4, included, anthers halved, i.e., with but one cell; capsule 2-valved.-Herbs, with the lower lvs. opposite, the upper alternate. Fls. in a terminal spike.
B. Americana L. Tall, slender, hispid, very rough; lvs. oblong-lanceolate, few-toothed, obtuse, 3-veined, the lowest oblong-obovate; highest linear ; spike long-peduncled; fls. dense, becoming remote in fruit; cor. tube slender, pubescent, twice as long as the hispid, tubular calyx, or the deep blue cor. lobes.-N. Y. to Ga. and La. Sts. 2 to 3f high, simple or few-branched, the upper half naked or with bracts only. Lvs. 1 to 2' long. Fls. 6 to 12 in the spike, 6 to 7" long. Jn. -Aug. (B. elongata Sw. ? (Darby) is the same plant). Blackens in drying.
26. MACRANTHERA, Torr. (Gr. great, Lat. anthera, anthers ; a mongrel word.) Calyx tube campanulate, lobes 5, long and narrow ; corolla tubular, limb oblique, segments short, entire, stamens 4, long, exserted, subequal; style long, filiform ; capsule ovate, acuminate.- Herbs tall, with opposite, pinnatifid lvs., long, decurved peduncles, and cylindraceous, yellow fls.
1 M. fuchsioides Torn Cal. segm. but little shorter than the corolla.-Ala., La. Plant 2 to 3f high. Lvs. lanceolate, 2' long, with lanceolate segments. Rac. long, loose, secund. Cor 1' long.
2 M. Lecontii Torr. Cal. segm. entire, linear-lanceolate, scarcely one-third the length of the corolla.-Dry pine woods, Ga., Fla. Lvs. etc., as in the other.
27. SEYME'RIA, Ph. (In meraory of Henry Seymer, Esq., an English naturalist.) Calyx deeply 5-cleft, cor. tube short, dilated, 5-lobed, lobe9 ovate or oblong, entire, equaling or longer than the tube; sta. 4, subequal; valves of the capsule loculicidal, entire; seeds ∞.- Herbs erect, branching. Cauline lvs. mostly opposite and incised. Fls. yellow.
§ Tube of the corolla broadly campanulate, incurved, as long as the limb......
§ Tube of the corolla much shorter than the subrotate limb...........................
Nos. 2, 3
1 S. macrophrylla Nutt Erect, tall, sparingly pubescent; lvs. large, the lower deeply pinnatifid, segments lance-oblong, incised, terminal one the largest, Upper lanceolate, serrate or entire; cor. tube incurved, scarcely longer than the limb; sty. short, dilated and slightly bifid at apex; caps, ovate-acuminate.- In Woods, White River Valley, Ind., Ohio (Clark) to Ark. Height 4-6f, with the habit of Dasystoma, Lower leaves (5-7' by 2-3') lance-ovate in outline, floral (2-3') mostly opposite. Corolla 1/2' long, very woolly within. July.
2 S. pectinata Ph. Viscid-pubescent, profusely branched; lvs. oblong, half-pin natifid or cleft half way to the midvein, segm. few, entire, short, linear, obtuse, upper lvs. merely toothed; caps, pubescent, acute with the style, at length ob tuse.-N. Car. to Fla. and Tex., in the upper districts. Plant 2 to 4f high, the numerous branches opposite. Lvs. small, an inch (or less) long, the rachis ob lanceolate. Sep. oblong-linear, longer than the pedicel Cor. subrotate, 5 to 6" broad. Aug.-Oct.
3 S. tenuifolia Ph. Minutely puberulent, much branched; lvs. setaceously bi-pinnatifid, rachis and segments all equally attenuated; caps, globular, rostrate.--Wet pine barrens, N. Car. to Fla, and La. Plant 2 to 3f high, quite slender and nearly smooth. Lvs. 6" and less long, only the lower segments dissected, upper entire. Cor. lobes oblong, spreading about 4". Ped. twice longer than the calyx. Aug., Sept.
28. DASYS'TOMA, Raf. (Gerardia, L.) Yellow Foxglove. (Gr.
hairy, mouth ; alluding to the corolla.) Calyx campanulate, half 5-cleft, imbricate in aestivation; corolla tube dilated, longer than the 5 entire lobes, woolly within; stamens didynamous, scarcely included, woolly ; anthers all equal, awned at base; capsule ovate, acute, 2 valves bearing a septum in the middle ; seeds many.- Herbs tall, erect. Lower lvs. opposite, upper generally alternate. Cor. large, yellow. All blacken in drying.
* Segments of the calyx entire. Plants pubescent...........................(No. 1) or glabrous................
* Segments of the calyx toothed or pinnatifid. Plants pubeseent..................................................
1 D. flava. Plant pubescent, subsimple; lvs. nearly sessile, oblong-lanceolate, entire or toothed, the lower pinnatifid or incised; cal lobes oblong, obtuse, rather shorter than its tube ; ped. very short. - A showy plant, 2 to 4f high, in woods throughout the U. S. Lvs. 2 to 4' long, tapering to the subsessile base or petiole, the upper mostly entire. Cor. about 18" long. Aug., Sept. (D. pubescens Benth. G. flava L.)
2 D. integrifolia. Plant glabrous, subsimple; lvs. lanceolate, acute, entire, of the lowest somewhat toothed ; ped. shorter than the calyx.--Woods, S, E. Ohio to Ill. and Tenn. Sts. often much branched, 1 to 2f high. Lvs. 1 to 3' long, petio-late. Fls. smaller, the cor. about 1'long. Not at all glaucous like the next. Aug. (D quercifolia β, ? Benth. G. integrifolia Gray.)