436 FLOWERS OF FIELD, HILL, AND SWAMP 



flower, 2-lipped, with a thread-like, crooked spur on the lower 

 lip of the corolla. 



The flowers grow in terminal racemes on slender stems, un- 

 branched, tall, 2 feet or so high. A rosette of cut leaves is often 

 found growing at the base of the stem. General appearance, 

 much like Indian tobacco {Lobelia inflata), and not at all like its 

 nearest cousin, the more showy butter-and-eggs. Found on the 

 edges of gardens and along sandy roadsides. 



51. Narro'w-leaved Vervain 



Verbena angustifolia. — Family, Vervain. Color, purple. 

 Leaves, narrow, lance-shaped, sessile, acute, somewhat toothed, 

 rough. Time, July and August. 



Calyx, 5-toothed. Corolla, tubular, 5-cleft, the border spread- 

 ing. Stamens, 4, the upper pair sometimes without anthers. 

 Style, I. Stigma, 2-lobed. Flowers, in much-crowded spikes, 

 the fruits forming quickly and overlapping each other. Stems 

 6 to 18 inches high, generally simple, sometimes branched. 



Massachusetts south to Florida, and westward. 



52. False Pennyroyal 



Isanthus caerHleus. — Family, Mint. Color, pale blue. 

 Leaves, lance-shaped to oblong, 3-nerved, small. Time, July 

 and August. 



Calyx, bell-shaped, with 5 equal lobes. Corolla, small, about 

 J inch long, with nearly equal, blunt, spreading lobes. Sta- 

 mens, 4. Flowers, i to 3, on peduncles in the leaf -axils. 

 W^ole plant low, much branched, downy, somewhat clammy. 



Maine to Illinois, and southward. 



53. Entire-leaved Skullcap 

 Scutellaria integrifolia. — Family, Mint. Color, blue. 

 Leaves, long, narrow, obtuse, entire, or slightly toothed, with 

 short petioles. Time, July and August. 



