346 LABI AT AE (MINT FAMILY) 



HOARY VERVAIN 



Verbena stricta, Vent. 



Other English names : Woolly Vervain, Mullen-leaved Vervain. 

 Native. Perennial. Propagates by seeds. 

 Time of bloom: June to September. 

 Seed-time: August to November. 



Range: Ontario to Minnesota and Wyoming, southward to Ten- 

 nessee, Texas, and New Mexico. 

 Habitat: Dry plains and prairies. 



The range of this plant is increasing, mostly by the agencies of 

 impure seed and baled hay. Stem ten to thirty inches tall, rather 

 stout, obtusely four-angled, erect, simple or with a few branches 

 above. Leaves ovate, pointed or sometimes obtuse, double- 

 toothed, sessile or the lower ones with short petioles ; the whole 

 plant clothed with fine, white-woolly hair. Spikes very dense, 

 rather stout, usually solitary but sometimes several in a panicle, 

 becoming six inches to a foot in length when fruiting ; corolla 

 purple, large for a Vervain, being more than a quarter-inch long 

 and the five spreading lobes about as broad. Its dense flowering 

 habit makes the plant very productive. 



Means of control 



Only by a short rotation of cultivated crops is it practicable to 

 rid the ground of the perennial roots and the dormant seeds of 

 this weed. 



CREEPING BUGLEWEED 

 Ajuga reptans, L. 



Other English names: Carpenter's Herb, Sicklewort, Brown Bugle. 



Introduced. Perennial. Propagates by seeds and by stolons. 



Time of bloom : May to July. 



Seed-time: June to August. 



Range : Eastern Canada and New England to southern New York. 



Habitat: Fields and waste places. 



This plant is a member of the Mint Family which have in 

 common the characteristics of square stems, opposite leaves, 

 corollas more or less two-lipped, stamens four in unequal pairs. 



