verbenace^e. (vervain family.) 307 



* Anthers of the longer stamens tipjud with a gland-like appendage: flowers showy. 



1. V. Aubletia, L. Hairy; stem creeping at the base, ascending, fork- 

 ing ; leaves ovate-oblong, 3-eleft, with the lobes toothed, narrowed into a slender 

 petiole; the lower ones smaller, rounded, toothed; .--pikes terminal and in the 

 forks of the stem, long-peduncled, closely flowered; calyx long, slender, the 

 unequal teeth subulate; corolla showy, purple. — Dry light soil, Florida to 

 South Carolina, and westward. May- August — (Stem G'- \2' high. Corolla 

 $•' long. 



* * Anthers without appendages : flowers small. 

 ■<- Leaves undivided. 



2. V. urticifolia, L. Rough-hairy ; stem tall, branching ; leaves ovatc- 

 oblong, acute or acuminate, mucronate-serrate, contracted at the base into a 

 long petiole ; spikes very long, filiform, axillary and terminal ; flowers minute, 

 white or pale blue. — Low ground, Florida to Mississippi, and northward. 

 Aug. - Oct. — Stem 2°- 5° high. Leaves very rough, 2' - 6' long. 



3. "V. hastata, L. Rough-hairy; stem branching; leaves oblong-lanceo- 

 late, acuminate, coarsely and sharply serrate, tapering into a long petiole ; the 

 lowest broader, and often hastate-lobed at the base ; spikes linear, short, close- 

 flowered; flowers violet. (V. paniculata, Lam.) — Low ground, in the upper 

 districts, Mississippi, and northward. July -Sept. — Steni2°-3° high. Flowers 

 larger than in No. 2. 



4. V. angustifolia, Michx. Rough-hairy ; stem simple or branched 

 above ; leaves lanceolate or linear-lanceolate, rather obtuse, coarsely serrate, 

 tapering from near the apex to the sessile base ; spikes linear, terminal, close- 

 flowered ; flowers purple. — Dry woods, Florida to Mississippi, and northward. 

 July -Sept. — Stem 6' -12' high. Flowering spikes 2' -3' long. 



5. V. Caroliniana, Michx. Rough with short rigid hairs ; stem simple, 

 ascending ; leaves oblong, or the lowest oblong-obovate, acute or obtuse, sharply 

 and doubly serrate, entire toward the narrowed base, sessile; spikes 1-3, elon- 

 gated ; flowers flesh-color. — Dry pine barrens, Florida to South Carolina, and 

 westward. Aug. — Stem 4' -6' high, shorter than the spikes. Leaves l'-2' 

 long. Nutlets tardily separating. 



-i- h-* Leaves pinnalijid. 



6. V. officinalis, L. Stem smoothish, erect, branching ; leaves lanceo- 

 late or oblong, pinnately lobed or toothed, narrowed and entire near the base, 

 sessile, pubescent beneath ; spikes linear or filiform, panicled ; bracts shorter 

 than the calyx ; flowers purple. (V. spuria, L.) — Waste ground, chiefly in the 

 upper districts. Introduced. July and Aug. — Stem 1°- 3° high. 



7. V. canescens, Kunth ? Hirsute and hoary ; stems numerous, pros- 

 trate, diffuse; leaves small, pinnately toothed or lobed, oblong, narrowed into a 

 petiole; spikes terminal, dense; bracts linear, entire, spreading, much longer 

 than the flowers, the lower ones recurved ; flowers purple. — Streets of Apa- 

 lachicola, Florida, and along the Central Railroad in the middle district-; of 

 Georgia. Aug. — Stems 4' - 6' long. Spikes 3' - 6' long. Leaves 6" - 9" long. 



