IOWA ACADEMY OF SCIENCES. 159 



Veronica serpyllifolia L. Sp. PI. 12. 1753. Thyme- 

 leaved Speedwell. 



Cllabrons or puberuleiit; stems slender, decumbent, the 

 branches 2—10 inches high, erect; leaves opposite, peti- 

 oled, or the uppermost sessile, ovate, oval, or oblong, entire 

 or crenulate; flowers in short spicate racemes, corolla pale 

 blue or whitish; capsule broader than long, notched at the 

 summit. 



This species ranges from Labrador to Alaska, south to 

 Georgia, Alabama, New Mexico, and California, occarring 

 in fields and thickets, and blooming from April until 

 August. The species also occurs in Europe, Asia, northern 

 Africa, and South America. Linnseus gave the type locality 

 as: "In Europa et America Septentrionali ad vias, agros." 

 While Iowa is w^ell located to have this species in its flora 

 yet it has been reported but once, which report was made 

 by Professor Arthur, who gave the locality, Johnson 

 county. 



Arthur, Proc. Davenport Acad. Nat. Sciences, Vol. 4, p. 6G Fitzpat- 

 rick, Manual of the Flowering Plants of Iowa, p. 125. 



LEPTANDRA Nattall, Gen. N. A. 1:7. 1818. 



Ours an eiect perennial herb, with opposite or verticil- 

 late leaves, and small minutely bracted white or blue flow- 

 ers in dense peduncled spike-like racemes. Calyx 4 parted, 

 short. Corolla tubular, nearly regular, 4-lobed, the tube 

 cylindric, longer than the lobes. Stamens 2, exserted, 

 inserted low down in the corolla tube. Capsule ovoid, not 

 compressed, many-seeded. 



Leptandra virginica (Z/.) Nutt. Culver's-root. 



Veronca virginica L. Sp. Pl. 9. 1753. 

 Veronica stbitica L. Sp. PI. Ed. 2. 1:12. 1762. 

 Let>tandra virginica Nutt Gen, 1:7. 1818. 

 Leptandra purpurea 'R.^ii. Med. Bot. 59. 1830. 



Stem 2—6 feet high, smooth or somewhat downy; 

 leaves opposite or 3 — 6 in a whorl, lanceolate, short-pet i- 



