SCROPHULARINE^E. 263 



campanulate ; border 4-lobed, a little ringent, the lower seg- 

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

 exserted. Capsule ovate, acuminate, 2-celled, many-seeded, 

 opening at the summit. Diandria. Monogynia. 



L. virginica Nutt. : leaves whorled in fours or fives, lanceolate, ser- 

 rate, petiolate. Veronica virginica Linn. Callistachya virginica Raf. 

 HAB. Woods. Can. to Car. W. to Miss. July, Aug. 11. 

 Stem angular, 2 4 feet high, smooth, simple. Leaves in whorls, 

 slightly pubescent beneath. Flowers white, in long dense ter- 

 minal spikes. 



Div. II. ERINACEJE. 

 3. BUCHNERA. Linn. 



Calyx 5-toothed. Carol with the tube slender ; border 

 5-cleft and nearly equal ; lobes cordate. Capsule 2-celled. 



Didynamia. Angiospermia. 



B. americana Linn. : stem simple ; leaves lanceolate, subdentate, 

 rough, 3-nerved ; spikes with the flowers remote. 



HAB. Sandy places. N. Y. to Car. W. to Miss. July, y . 

 Stem 12 18 inches high. Leaves opposite, sessile. Flowers 

 blue. Plant blackens by drying. Blue Hearts. 



DlV. III. SCROPHULARIE^E. 



4. SCROPHULARIA. Linn. 



Calyx 5-cleft. Carol subglobose ; limb contracted, short- 

 ly 2-lipped ; upper lip 2-lobed (with a scale or abortive sta- 

 men frequently within) ; lower 3-lobed. Capsule 2-celled. 



Didynamia. Angiospermia. 



1. S. marylandica Linn. : leaves cordate, serrate, acute, rounded at 

 the base ; petioles fringed near the base ; branches of the panicle com- 

 posed of loosely flowered clusters. S. nodosa var. americana Mich. 



HAB. Low grounds. Can. to Car. W. to Miss. June, July. 

 21. Stem 3 4 feet high, much branched. Leaves opposite. 

 Flowers greenish-brown, small, in an erect compound terminal 

 panicle. Capsule globular. Figwort. 



2. &. lanceolata Pursh: leaves lanceolate, unequally and incisely 

 serrate, acute at the base ; petioles naked ; fascicles of the panicle -co- 

 rymbed. 



HAB. Wet meadows. N. S. Aug. l{.Stem 23 feet high. 

 Flowers greenish-yellow. 



5. ANTIRRHINUM. Linn. 

 Calyx 5-parted. Carol personate, with a deflexed promi- 



