266 SCROPHULARIACE^i. 



Shady rocks. N. Y. and Penn. March, April. .Stem slender, 410 

 inches long, somewhat pubescent. Peduncles longer than the leaves. Corolla 

 shorter than the calyx. Ivy-leaved Speedwell. 



14 LEPTANDRA. Nutt. Leptandra. 

 (From the Greek Xcnroj, slender, and avrip, avfyoc, a man; in allusion to the 



Calyx 5 -parted ; segments acuminate. Corolla tubular-cam- 

 . panulate ; border 4-lobed, a little ringent, the lower segment 

 narrower. Stamens 2, and with the pistil at length much ex- 

 serted. Capsule ovoid, acuminate, 2-celled, many-seeded, open- 

 ing at the summit. 



L. Virginica Nutt. : stem erect ; leaves whorled in fours or fives, lanceo- 

 late, serrate, petiolate : spikes aggregated. Veronica Virginica Linn. 

 Pcederota Virginica jfV/v. 



Woods. Can. to Car. W. to Miss. July. Aug. '4-. Stem "2 4 feet high, 

 angular, smooth, simple. L arcs slightly pubescent beneath. Flowers white, 

 in long dense terminal spikes. The root is cathartic and diaphoretic. 



Culver's Physic. 



III. BUCH.NEJCEJE. 



15. BUCHNERA. Linn. Buchnera. 

 (In honor of John Gottfried Buchner, a German botanist.) 



Calyx tubular, shortly 5-toothed. Corolla somewhat salver- 

 form ; tube slender ; limb almost equally 5-lobed ; the lobes 

 oblong or obovate. Stamens 4, didynamous. Capsule straight, 

 2-celled, opening elastically. 



B. Americana Linn. : hairy-hispid ; stem simple ; leaves lanceolate, ses- 

 sile, somewhat t /othed, scabrous and hairy ; spike long, with the flowers 

 at length remote. 



Sandy places. N. Y. to Car. W. to Miss. July. 1}.. Stem 1318 inches 

 high. Leaves 3- nerved, opposite, sessile. Flowers blue. The plant blackens by 

 drying. - Blue Hearts. 



IV. GERARD i EJE. 



16. GERARDIA. Linn. Gerardia. 

 fin honor of John Gerard, an old English botanist.) 



Calyx campanulate, 5-toothed or 5- cleft. Corolla tubular- 

 funnel-form or somewhat campanulate ; the border unequally 

 o-lobed, the lobes broad and entire. Stamens 4, didynamous, 

 included. Capsule obtuse or shortly acuminate ; the valves cori- 

 aceous, usually entire. Seeds numerous. 



