VERBENACE^. (VERVAIN FAMILY.) 307 



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



1. v. Aubletia, L. Hairy ; stem creeping at tlie base, ascending;, fork- 

 ing; leaves ovate-oblong, .3-clcft, wiili tlic lobes tootlied, narrowed into a slender 

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

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

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

 South Carolina, and westward. May- August. — litem G'- 12' high. Corona 



* * Anthers icithoat appendages : jlowers small. 

 -I- Leaves undivided. 



2. V. urticifolia, L. Eough-hairy ; stem tall, branching ; leaves ovate- 

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

 long petiole ; spikes \cry 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, siiort, close- 

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

 districts, Mississippi, and northward. July - Sept. — Stem 2° - 3° high. Flowers 

 larger than in Xo. 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, tei-minal, close- 

 flowered; flowers purple. — Di-y woods, Florida to ^lississippi, and northward. 

 July - Sept. — Stem G' - 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-obovatc, acute or obtuse, sharply 

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

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

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

 long. Nutlets tardily separating. 



t- -t- Leaves pinnatijid. 



6. V. oflB-Cinalis, 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, paniclcd ; 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. caneseens, Kunth ? Hirsute and hoary ; stems numerous, pros- 

 trate, diff'use; leaves small, pinnately toothed or lobcd, 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. 



