scrophulariacejE. (figwort family.) 295 



1. M. orbiculatum, Michx. (M. emarginatum, Ell. Hemianthus mi- 

 cranthemoides, Nutt. Hei-pestis micrantha, Ell. 9 not of Pursh.) — Muddy 

 banks, Florida to North Carolina, and westward. June -Oct. — Stem 6'- 12' 

 long. Leaves 3" - 5" long, sometimes eniarginate. Corolla not longer than 

 the minute (J") calyx. 



11. AMPHIANTHUS, Torr. 



Calyx 5-parted. Corolla somewhat funnel-shaped, 4.cleft ; the upper and 

 lower lobes rather longer. Stamens 2 : anther-cells distinct. Style minutely 

 2-cleft at the apex, acute. Capsule obcordate, compressed, loculicidal. Seeds 

 oblong, rugulose. — A very small annual, with the linear obtuse leaves clustered 

 at the summit of the short stem, and minute white flowers, some of which are 

 borne on short naked recurved peduncles from the axils of the leaves, and others 

 on a slender (1' long) terminal 2-bracted scape. 



1. A. pusillus, Torr. — In shallow excavations of flat rocks, Newton 

 County, Georgia, Dr. LeavenwoHh. March and April. 



12. VERONICA, L. Speedwell. 



Calyx 4 -5-parted. Corolla wheel-shaped, or salver-shaped, 4-5-lobed. 

 Stamens 2, one each side of the upper lobe of the corolla. Stigma capitate. 

 Capsule compressed and obcordate, or oblong and obtuse, septicidal or locu- 

 licidal. Seeds few or many, flattened or concave on the inner face. — Chiefly 

 herbs, with the stem-leaves opposite or whorled, the floral ones alternate. 

 Flowers small, axillary, racemed or spiked, blue or white. 



* Leaves whorled ! corolla tubular : capsule oblong. 



1. V. Virginica, L. Perennial, smooth or pubescent; stem tall, erect; 

 leaves 4-7 in a whorl, lanceolate, serrate, short-petioled ; flowers very numer- 

 ous, crowded in axillary (whorled) and terminal spikes; stamens long-exsertcd ; 

 corolla white or purple. (Leptandra, Nutt.) — Mountain-meadows, Georgia, and 

 northward. June-August. — Stem 2° -4° high. Leaves 2' -4' long. 



* * Stem-leaves opposite : corolla wheel-shaped : capsule obcordate. 

 ■t- Flowers in dense cuciUary racemes. 



2. V. ofS.Cilialis, L. Perennial, pubescent ; stem prostrate, rooting at the 

 base ; leaves obovate-elliptical, or wedge-oblong, obtuse, serrate, short-petioled ; 

 racemes alternate, many-flowered ; corolla blue. — Mountains of North Carolina, 

 and northward. July. — Stem 6' - 1 2' long. Racemes 2' - 4' long. 



H— ^- Flowers scattered, in leafy terminal racemes, 



3. v. serpyllifolia, L. Perennial, smoothish ; stem ascending, diffusely 

 branched ; leaves oval or roundish, crenate, short-petioled, the floral ones lance- 

 olate and entire ; pedicels as long as the calyx ; corolla blue. — Low pastures 

 in the upper districts. May - Sept. — Stem 4' - 6' long. Leaves 4" ~ 6" long. 



4. V. peregriua, L. Annual, smooth ; stem erect, simple or branched ; 

 leaves sessile, oblong, toothed ; the lowest narrowed into a petiole ; the floral 



