CLASS II. ORDER I. 7 



Stem branched ; lower leaves opposites, the rest alternate ; 

 flowers bluish white, striated. — Roads and fields. — May, July. — 

 Annual. 

 Veronica arvensis. L. Small Speedwell. 



Flowers axillary; leaves heart-ovate, serrate, the 

 lower ones petioled ; floral leaves lanceolate, longer 

 than the peduncles. 



A pubescent plant, rather smaller than the foregoing. Corolla 

 pale blue, shorter than the calyx. — May, June. — Annual. 



8. LEPTANDRA. 



Leptandra Virginica. Nutt. Leptandra. 



Stem erect ; smooth ; leaves in whorls of from four 

 to six ; spikes termiual. 



Syn. Veronica Virginica. L, 



A tall plant with white spikes and verticillate leaves. Stem 

 erect, five feet high, smooth. Leaves whorled, lanceolate, un- 

 cinately serrate, pubescent beneath. Spikes axillary and termi- 

 nal, of two or three hundred flowers, which are nearly sessile, 

 with acute bractes. Calyx of five acute leaves, three of them 

 external. Corolla white, tabular with four cordate acute seg- 

 ments, villous inside. Stamens twice as long as the corolla, 

 with hairy filaments. — Connecticut. — July. — Perennial. 



9. GRATIOLA. 

 Gratiola aurea. Mulil. Hedge Hyssop. 



Smooth ; leaves linear-oblong, with few teeth, half 

 clasping ; sterile filaments minute. 

 Syn. Gratiola officinalis. Mich. 



Stem smooth, upright or ascending at base, half a foot high. 

 Leaves opposite, sessile, somewhat clasping, smooth, dotted 

 under a magnifier, oblong-lanceolate, with a slight tooth or two 

 on each side toward the end. Peduncles axillary, alternate, 

 slender. Calyx leaves seven, linear-lanceolate, two of them 

 external, perhaps more properly bractes. Corolla irregular, 

 yellow, its tube curved, and hairy within. Filaments four. 



