8 Class II. Order I. 



A fleshy, succulent species with blue flowers. Ditches and 

 brooks. June, July. Perennial. 



VERONICA AGRESTIS. _L. Procumbent Speedwell. 



Flowers axillary ; leaves petioled, heart-ovate, cut- 

 serrate, shorter than the peduncles ; stem procum- 

 bent. 



Stem branched ; lower leaves opposite, the rest alternate ; flow- 

 ers bluish white, striated. Roads and fields. May, July. Annual. 



VERONICA ARVENSIS. Lt. 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. Corol- 

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



C. LEPTANDRA. 



LEPTANDRA VIRGINICA. Nutt. Leptandra. 



Stem erect, smooth ; leaves in whorls of from four 

 to six ; spikes terminal. 



Syn. VEROXICA VIRGIXIICA. 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, tubular with four cordate acute seg 

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

 hairy filaments. Connecticut. July. Perennial. 



7. GRATIOLA. 

 GRATIOLA AUREA. Muhl. 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 un- 



