DIANDRIA.— MONOGYNIA. 



HAB. Meadows. May. V-. Stem procumbent at base 

 fl. pale blue. 



3. V. Beccabunga; racemes opposite ; leaves elliptical, 



obtuse, on short petioles, subserrate, glabrous : 

 stem procumbent, rooting at the base. 

 HAB. In water ; rare. June. V-. lft. high, terete; ra- 

 cemes axillary, many-flow. ; corol. blue ; caps, inflat. 



4. V. Anagallis: racemes opposite ; leaves lanceolate. 



serrate ; stem erect. 

 HAB. In water. June— Aug. 2J. Uft. high, subquad- 

 rang.; peduncl. subpubescent ;fl. pale blue. 



5. V. scutellata : racemes lateral and alternate ; (rarely 



opposite) pedicels divaricate ; leaves linear, some- 

 what toothed ; stem nearly erect. 

 HAB. In water. May— June. V-. Root creeping ; stem 

 weak, somewhat branched; ft. pale blue, or flesh-col. 



ft. V. arvensis : flowers solitary, subsessile ; inferior 

 leaves petiolate, cordate, ovate, serrate ; stent 

 leaves crenate ; floral ones lanceolate, sessile, 

 longer than the pedicels ; segments of the calyx 

 unequal ; capsule obcordate, compressed. 

 HAB. Dry hills and fields. Apr.— Aug. 0. Stemassur- 

 aent, 2 — 6 in. high ;fl. pale blue ; caps, compres. 



7. V. agrestis : flowers solitary, pedicellate, leaves peti- 

 olate, cordate-ovate, serrate, segments of the calyx 

 equal, ovate, hairy ; stem procumbent, pubescent 

 HAB. Sandy fields. May. Q. Branched, diffuse ;fl. blue. 

 veined ; capsule didymous, subventricose. 



3. V. peregrina : flowers solitary, sessile ; leaves oblong*, 

 serrate, rather obtuse; stem erect. 

 HAB. Wet, clayey soils. May — July. 0. Smooth: stem 

 branched at the base; rad. leaves subpetiolate ; fl, 

 small, white ; caps, obcordate. 



9, V. hederifolia : flowers solitary ; leaves as long as the. 



petioles, roundish-cordate, 5-lobed ; the upper ones 

 3-lobed ; segments of the calyx cordate, ciliate. 

 acute ; stem procumbent. 

 HAB. Shady rocks. April. 0. Stems diffuse, pubescent; 

 leaves somewhat fleshy ; caps, ventricose, with two 

 seeds in each cell. 



10. V. reniformis : stem procumbent, hispid ; leaves ses- 



