VERBENACE^. (VERVAIN FAMILY.) 307 



* Anthers of the longer stamens tipped with a gland-Uke appendage : /lowers showy. 



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

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

 petiole ; the lower ones smaller, rounded, toothed ; spikes tenninal and in the 

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

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

 South Carolina, and westward. May- August. — Stem 6'- 12' high. Corolla 



i' long- 



* * Anthers ivithout appendages : flowers small. 



H— Leaves undivided. 



2. v. urtieifolia, L. Rough-hairy ; stem tall, branching ; leaves ovate- 

 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. — Stem 2° - 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' - 1 2' 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. 



H- -I- Leaves pinnatifld. 



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

 late or oblong, pinnately lobcd 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 districts of 

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



