SCROPHULARIACE 83 
narrower serrate leaves; V. scutellata, L., with pink flowers 
and linear-lanceolate nearly entire leaves. Annual weeds 
in cultivated land:—V. agrestzs, L., nearly glabrous, with 
pale blue flowers and ovate-cordate coarsely serrate 
stalked leaves; V. folzta, Fr., similar, but flowers bright 
blue, and seeds more numerous; V. persica, Poir. (Bux- 
baumiz, Ten.), resembling agrestzs, but with much larger 
bright blue flowers, like those of Chamedrys; V. hedere- 
folia, L., very pubescent, with very small pale blue 
flowers, and broadly ovate 5—7-lobed leaves; V. arvenszs, 
L., pubescent, with pale blue flowers, and ovate-cordate 
irregularly crenate-serrate leaves. On dry banks :—V. 
serpyllifolia, L., with small very pale flowers and thick 
glabrous ovate-lanceolate nearly entire leaves. 
The following lowland annual weeds are found in Swit- 
zerland, but are rare or do not occur in this country :— 
V. opaca, L.; corolla dark blue, leaves dark green, nearly 
orbicular, with short hairs; rare; Western and Central 
Switzerland. V. verna, L.; stem erect, glandular-pubes- 
cent, leaves pinnatifid, bracts entire; grassy places. V. ¢rz- 
phyllos, L.; stem erect, leaves palmately 3—7-lobed, bracts 
3-5-fid; grassy places. V. acinzfolia, L.; flowers light 
blue with yellow throat, stem glandular, leaves rather 
thick, slightly crenate; fields, rare. V. pre@cox, L. ; flowers 
blue, stem erect, radical leaves somewhat cordate, deeply 
crenate ; fields. 
The following are perennial species, and mostly more 
or less alpine :— 
A. Raceme simple, terminal :—V. sfzcata, L. (Pl. 93); 
stem 6-18 in. nearly leafless above, flowers bright blue, 
in a dense raceme, leaves opposite, lanceolate-ovate, 
crenate-serrate; dry hill-sides. 
