A GUIDE TO THE WILD FLOWERS 235 



regular, not 2-lipi:>ed. As an escape from gardens, New York, 

 New Jersey and Ohio. Native of Eurasia. July. Fig. 721. 



722. VERVAIN. VERBENA. 



Tall rather coarse herbs with 4-sided stems, and opposite 

 toothed leaves. Flowers in long, very slender, usually 

 branched, interrupted, terminal spikes. Corolla funnel-shaped, 

 not over ^ in. long, very slightly unsymmetrical, but scarcely 

 2-lipped. (Verbenaceae.) 



Flowers blue Blue Vervain no. 723 



Flowers white While Vervain no. 724 



723. Blue Vervain. Verbena hastata. An erect, stiff or 

 wiry perennial, 3-6 ft. high. Leaves lance-oblong, coarsely 

 toothed, stalked, 3-6 in. long, branched. Flowers minute, 

 blue, very rarely white. In moist places, or in fields. Nova 

 Scotia to Florida, and westward. June-September. Fig. y2^. 

 A related species, V. angustifolia, has the leaves narrowed to 

 a stalk-like base. It grows in dry places from Mass. to Florida, 

 and westward, but not commonly. 



724. White Vervain. Verbena urticifolia. Much resembling 

 No. 723, but with white flowers that are in somewhat more 

 interrupted spikes. In fields and waste places. New Bruns- 

 wick to Florida, and westward. June-September. 



725. Leaves more than 2 at a joint, often several, sometimes 

 crowded. 



Divisions or lobes of the corolla 4 no. 730 



Divisions or lobes of the corolla 5 

 Leaves few, broad, clustered at ends of the slightly woody- 

 stem ; plant aromatic Wintergreen no. 726 



Leaves numerous, less than % in. wide, crowded 



Stems herbaceous; leaves bunched at the joints 



Ground Pink no. 727 



Stems woody; leaves crowded all along the stem 

 Flower stalked ; on alpine summits . . Diapensia no. 728 

 Flower stalkless ; in sandy pine barrens . . Pyxie no. 729 



