SCROPHULARIACE^. 243 



5. V. officinalis, L. Common Speedwell, 



Pubescent throughout; st*.m prostrate, rooting fit the base; leaves orovnte-ollin- 

 tical or wedge-oblong, short-petiolcd, obtuse, Ferrate; racemes densely many-t!cv- 

 ored; capsule triangular-obovate, broadly notched. 



Dry hills and woods ; common. May— July. Flanl trailing, 6 to 12 inches long, 

 wHboseending branches.- Leaves mostly elliptical, 1 to 1% inch long. Flutters 

 pale blue, in long, erect, pedunculate spikes. 



* * * Flowers axillary, solitary, scarcely racemed. Aruiulh. 



0. V. PERIGRINA, L. Neck-weed. Purslane Speedu\ ! l. 



Nearly smooth, ascending, branched; lower leaves petioled, oval-oblong, toothed, 

 the others sessile, oblong, obtuse; the upper oblong-linear and entire; capsule or- 

 bicular, slightly notched.' 



Cultivated grounds; common, introduced. April— J tine. Flint- often branched 

 from the base, 4 to 10 inches high. Leaves thickish. Floivers very small, white 

 of pale blue, nearly or quite sessile. - 



7. V. arvensis, L. Com Speedwell 



Simple or diffusely branched, hairy ; lower leaves ovate, crenate", p< tTJcd ; the up- 

 permost sessile, lanceolate, entire; flowers subsessile; capsule inversely*- heart- 

 shaped, the lobes rounded. 



Cultivated grounds; common, introdneed. Juno. Stem 3 to 8 inches higb. 

 Flowers on short peduncles, very small, pale blue, beautifully penciled 'with pur- 

 ple lines. 



8. V. AGRE3TIS, L.- Field Speedwell 



' Prostrate, hairy ; leaves petioled, cordate-ovate or round, crenate-toothod. calyx- 

 lobes ovate-lanceolate ; peduncles as long as the leaves; capsule ncardy orbieula*-, 

 sharply notched, fewseeivd, 



Sandy fields, introduced. May— Oct. Stem- 3 to i inches long, round, Icr.fy 

 branching nearly at the base. Fluwers small, light blue or white, veined. 



9! V. HEDERzEFOLlA, L. Ivy -lea red Speedwell 



Prostrate, hairy; loaves petioled, cordate, roundish, 3 to 5 toothed or lobed : pe- 

 dundis scarcely longer than th3 leaves ; sejmls triangular, sub-cordate, acute, at 

 length erect; capsule turgid and wrinkled, 2-lobed. 



Shady rocks and hills: sparingly naturalized. March — May. Rem slender. 4 

 to 10 inches long, diffusely branched. Calyx somewhat 4-angled in fruit. Oorotl t 

 smaller than the calyx, blue. 



* * * * Exotic*. Perennials'. 



10. V. SPICATA, L. Spiked Garden Speed well. 



Erect, tall; leaves petiolatc, ovate-oblong or lanceolate, lower ones obtuse, crenate, 

 vrper acute, crenate-serrate. entire at apex; raceme mostly solitary ; pctUve's much 

 shorter than the sepals; calyx mostly hoary-pufcosemt. Cultivated im* garden's ; 

 native of Europe and Asia. Varieties numerous, with flowers blue, rcsc-color, 4c 



17. LEPTANDRA, Nutt, 



or. leplos, slender, and aner, andros, a man; in allusion to the stamens. 



Calyx 5-parted; segments acuminate. Corolla tubular- 

 bell-shape J ; border 4-lobed, somewhat ringent, the lower se?/- 



nts narrower. Stamens 2, and with the pistil at length 

 much exserted. Capsule ovoid, acuminate, 2-celied, many- 



