112 
Leaves whorled. Corolla white, its lobes shorter 
than the tube. Capsule acute, longer than broad, 
not flattened. Plant 10-20 dm. tall. 11. Veronicastrum, 
Leaves opposite or alternate. Corolla blue, its lobes 
longer than the tube. Capsule acute to deeply 
notched, broader than long, flattened. Plants 
lower. 12. Veronica. 
BB. Stamens four, didynamous, the antero-laterals 
usually slightly the longer. Usually parasitic on 
roots of other plants. 
C. Sepals five, alike, more or less united. Corolla- 
lobes all somewhat distinct, the posterior 
spreading or broadly arched; anterior lobe 
external in bud. Stigma elongated. Capsule 
loculicidal, nega through septum VII. BUCHNEREAE. 
Corolla ye r pink, campanulate, with in- 
aca and open orifice. Stamens 
all perfect, the anthers two-celled, lanose. 
Two stigmatic lines, one down each side of i 
style-apex. Filaments and style nearly 
as long as the tube of the corolla. Capsule 
exserted from the calyx-tube. Calyx not 
bracted at base. 
Corolla yellow. Capsule acute to acumi- 
nate. Leaves dnupetiate to ovate, entire 
erennials or annuals. 13. Aureolaria. 
terior side. Capsule rounded, with a 
mucro. Leaves filiform to lanceolate, 
entire or auriculate-lobed at base, 
sessile. Stem slender, usually lower. 
Stem ascending-scabrellous to glabrous. 
Leaves linear to filiform, entire. Pedi- 
cels over I mm. long. Calyx-lobes 
linear to subulate, slightly longer to 
a 
throat anteriorly. Anther-sacs of both 
pairs of stamens uniform. Capsule 
globose to globose-ovoid, 3—7 mm. long. 
Seeds closely reticulate. 14. Agalinis. 
Stem retrorse-hispid. Leaves lanceolate, : 
usually auriculate-lobed at base. Pedi- 
cels less than 1 mm. long. Calyx- 
lobes ovate, longer than the tube. 
Corolla without yellow lines within 
throat anteriorly. Anther-sacs of pos- 
