Vol. III.] 



VERVAIN FAMILY. 



71 



4. Verbena angustifolia IMichx. 

 Narrow-leaved Vervain. (Fig. 3060.) 



Verbena angustifolia Michs. Fl. Bor. Am. 2: 14. 



1803. 



Perennial, roughish-puberulent or pubes- 

 cent; stem slender, simple or branched, 4-sided 

 above, i°-2° high. Leaves linear, spatulate 

 or lanceolate, obtuse or subacute at the apex, 

 cuneate at the base and tapering into short 

 petioles, serrate or serrulate, veiny, I'/i's' 

 long, 2"-$" wide; spikes mostly solitary at 

 the ends of the branches, usually peduncled, 

 slender, dense, 2'-^' long; fruits overlapping 

 or the lower somewhat distant, iK" bigh; 

 bracts lanceolate, acuminate, equalling or 

 shorter than the calj-x; corolla purple or blue, 

 about 3" long, its limb about as broad, the 

 lobes obovate or oblong. 



In drj- fields, Massachusetts to Florida, west 

 to Minnesota, Illinois and Arkansas. Hybridizes 

 with /'. s/ric/a ?Lnd l'. bracleosa. June-Aug. 



6. Verbena bracteosa Michx. 

 Large-bracted Vervain. (Fig. 3062.) 



V. bracteosa Michx. Fl. Bor. Am. 2: 13. 1.S03. 

 Perennial, hirsute-pubescent; stem 4-sided, 

 much branched from the base, the branches 

 decumbent or ascending, slender, 5'-i5' 

 long. Leaves ovate, oval, or obovate in out- 

 line, pinnately incised or pinnatifid, I'-j' 

 long, more or less cuneate at the base and 

 narrowed into short petioles, the lobes mostly 

 dentate; spikes sessile, stout, dense, becom- 

 ing 4'-6' long in fruit; bracts conspicuous, 

 linear-lanceolate, rather rigid, longer than 

 the flowers and fruits, the lower ones often 

 incised; corolla purplish blue, about 2" long. 



On prairies and in waste places, Jlinnesotaand 

 Illinois to Alabama and Florida, west to British 

 Columbia, Arizona and California. Hybridizes 

 with V. Canadensis. May-Aug. 



5. Verbena stricta Vent. Hoary or 

 Mullen-leaved Vervain. (Fig. 3061.) 



Verbena stricta Vent. Descr. PI. Jard. Cels. 



pi. J J. iSoo. 

 Verbena rigens Michx. Fl. Bor. Am. 2: 14. 1803. 



Perennial, densely soft-pubescent all over; 

 stem stout, obtusely 4- angled, simple, or 

 branched above, strict, very leafy, i°-2|^° 

 high. Leaves ovate, oval, or oblong, very 

 short-petioled, acute or obtuse at the apex, 

 narrowed at the base, prominently veined, 

 incised-serrateorlaciniate, i'-4' long; spikes 

 solitary, or several, mostly sessile, dense, 

 stout, becoming 6'-i2' long iu fruit; fruits 

 much imbricated, 2"-2j-2" high; bracts lan- 

 ceolate-subulate, nearly as long as the calyx; 

 corolla purplish blue, 4"-5" long, its limb 

 nearly as broad. 



In dry soil, Ohio to Minnesota. Nebraska and 

 Wyoming, south to Tennessee, Texas and New 

 Mexico. Naturalized as a weed further east. 

 Hybridizes with V. bracleosa. June-Sept. 



