VERBENACEA:. 285 



unequal, 5-cleft. Stamens 4, included, (sometimes only 2.) 

 Fruit composed of 2 4 nucules. 



1. V.hastata Linn.: erect, tall; leaves lanceolate, acuminate, sharply 

 or incisely serrate, lower ones lobed or subhastate ; spikes filiform, erect, 

 corymbose-paniculate, somewhat imbricate. 



Low grounds. Can. to Geor. W. to Miss. July, Aug. 1J-. Stem 3 5 feet 

 high, 4-sided, somewhat rough and hairy. Leaves large, rough. Flowers small, 

 purple, in numerous spikes forming a large terminal panicle. 



Halbert-leaved Vervaiji. 



2. V. spuria Linn. : stem decumbent, branched, divaricate ; leaves la- 

 ciniate, much divided ; spikes filiform, loose ; bracts longer than the calyx. 



Sandy fields. N. Y. to Car. W. to Miss. Aug. Oct. (p. Stem 12 feet 

 long, at length much branched. Flowers small, blue, in paniculate spikes, at 

 length scattered. Decumbent Vervain. 



3. V. urticcefolia Linn. : erect, somewhat pubescent ; leaves ovate or 

 lance-ovate, acute, serrate, petiolate ; spikes filiform, axillary and terminal ; 

 flowers distinct. 



Road sides. N. Y. to Car. W. to Miss. July, Aug. TJ.. Stem 23 feet 

 high, somewhat hairy. Flowers small, white tinged with purple, in filiform 

 spikes forming panicles. Common Vervain. 



4. V. angustifolia Mich. : erect, mostly simple ; leaves linear-lanceolate, 

 attenuate at the base, remotely toothed, with elevated veins ; spikes filiform, 

 solitary, axillary and terminal. V. rugosa Willd. 



Sandy fields. N. Y. and Penn. W. to Miss. June Aug. %. Stem a foot 

 high, sometimes a little branched, hairy. Flowers blue, in terminal spikes. 



Narrow-leaved Vervain 



2 ^APANIA. Lam. 

 (In honor of Paul Anthony Zappa, an Italian botanist.) 

 Calyx compressed, 2 -parted. Corolla tubular, with the limb 

 unequally 5 -lobed. Stamens 4, didynamous. Stigma peltately 

 capitate, oblique. Nucules 2, at first covered by an evanescent 

 pericarp. 



Z. nodiflora Lam. : stem procumbent and rooting ; leaves ovate-wedge- 

 form and ovate-lanceolate, subsessile, serrate above ; spikes solitary, on 

 long filiform peduncles, forming conical heads. Z. lanceolata Pers. Ver- 

 bena nodijlora Linn. Lippia nodiflora Mich. 



Low grounds. Penn. to Car. W. to Miss. July. 1\.. ^ tem 6 8 inches 

 long, branching. Flowers bluish-white, in heads which are on peduncles 2 4 

 inches long. Node-Jlowered Zapania. 



3. PHRYMA. Linn. Lopseed. 



(Etymology unknown.) 



Calyx cylindric, 2 -lipped ; upper lip longer, trifid ; lower 

 2-toothed. Corolla 2-lipped ; upper lip emarginate ; the lower 

 much larger, flat, 3-lobed. Stamens 4, included. Pericarp 

 thin and evanescent, with a single seed. 



