294: XCIII. VERBENACE. 
2 sterile in the throat. Ovary 2-celled; style filiform, elon- 
gate; stigma simple.—DC. Prod. xii. p. 22. 
G. Eckloniana, Ch., is a slender herb, with linear leaves and hairy spikes 
of flowers. 
17. MICRODON, Choisy. 
Calyx tubular, 5-toothed, plaited, scarcely adnate to the 
bract at base. Corolla-tube funnel-shaped ; limb sub-2-labiate, 
the two after-segments suberect, the lateral spreading, the 
front one deflexed. Stamens 4, didynamous, 2 exserted, 2 sub- 
included. Utricle by abortion solitary, semiterete, enclosed 
in the calyx.—H. Mey. 1. c. p. 253; DC. Prod, xu. p. 23. 
Undershrubs, with scattered or tufted leaves, and very dense, terminal 
spikes of flowers, subtended by large, expanded, often membranous bracts. 
—-4 or 5 species. 
18. SELAGO, Linn. 
Calyx 3-5-cleft, free or slightly adnate at base, the anterior 
cut generally the deepest. Corolla-tube funnel-shaped or cy- 
lindrical ; limb 5-fid, unequally spreading, the back sinus 
sometimes shortest. Stamens 4, didynamous. Capsule 2- 
celled or 2-parted; cells 1-seeded.—LE. Mey. 1. ce. p. 254; DC. 
Prod. xii. p. 8. 
A large genus of herbs or undershrubs, diversified in aspect. Leaves small, 
crowded, scattered or tufted, entire or toothed. Flower-spike capitate, or in 
compound corymbs, blue white or cream-coloured, often very sweetly 
scented, especially at night.—71 species, dispersed. 
19. WALAFRIDA, E. Mey. 
Calyx sub-2-labiate, 4-parted, the front segments rather 
broadest. Corolla-tube cylindrical, curved ; limb regular, 5- 
lobed. Stamens 4, didynamous, included. Ovary subglobose ; 
style filiform, exserted; stigma clavate, incurved. Carpels 2, 
at length separating, subsemiglobose, falsely 3-celled ; lateral 
cells empty, hairy within, medial 1-seeded.—H. Mey. 1. ¢. p. 
272; DC. Prod. xii. p. 21. 
An undershrub, found in the Eastern district, 1-14 foot high, with 
ovate, acuminate leaves and spiked flowers. Corolla bluish. : 
20. POLYCENTA, Choisy. 
Calyx cleft in front. Corolla with its tube deeply cleft in 
front, 1-lipped; lip 4-lobed. Stamens 4, didynamous, very 
short, on the margins of the lip of corolla. Carpels 2, equal, 
at length separating, falsely 3-celled, the lateral cells empty, 
medial 1-seeded.—H. Mey. l.c. p. 245; DC. Prod. xii. p. 29. 
