VERBENACE^E. (VERVAIN FAMILY.) 807 



* Anthers of the longer stamens tipped icith a gland-like appendage : flowers showy. 



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

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

 petiole; the lower ones smaller, rounded, toothed; spikes 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 6'- 12' high. Corolla 

 o' long. 



* * Anthers without appendages : Jlowers small. 

 H Leaves undivided. 



2. V. urticifolia, 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, father 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. 



t- +- Leaves pinnatijid. - 



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 l-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. 



