FLOBA OF ADEN . 
287 
Flowers few, in the uppermost axil (at least in the specimen 
described by S. Moore) ; bracts, bracteoles and calyx-segments densely 
barbato-ciliate ; bracteoles oblong, J inch long. Outer calyx-segments 
subequal, oblong, slightly obtuse or bifid, almost as long as the 
bracteoles; inner segments subulate, slightly smaller than the 
outer ones. 
Corolla externally puberulous ; tube slender, £ inch long ; limb 
apparently regular, f inch in diameter; lobes obovate, emarginate. 
Fertile stamens 2 ; filaments subulate, puberulous ; staminodes 2, 
very small ; style obtuse. 
Locality : — Aden (ex Kew Bull. (1894) p. 338). 
Distribution: — Hadramaut : Hills near Dobaibah, at 4,000 feet 
elevation ; Somaliland: Ahlgebirge/ 1,500 — 2,000 met. 
XXXVIII,— VERBENA CEiE. 
Herbs, shrubs or trees, with opposite or whorled, simple or digitate 
exstipulate leaves. 
Inflorescence cymose, racemose or spikate. Flowers usually irregular. 
Calyx inferior, gamosepalous, tubular or cup-shaped usually 5 — 4-lobed 
or toothed. Corolla gamopetalous, bilabiate or subequally lobed; lobes 
usually 5 — 4. Stamens usually 4, didynamous, epipetalous ; anthers 
2-celled, dehiscing longitudinally. Ovary superior, sessile, usually 2 — 4- 
celled, entire or lobed ; ovules 2, sometimes 1, in each cell ; style terminal. 
Fruit more or less drupaceous, 2 — 4- or 1 -celled ; mesocarp juicy, 
fleshy or dry, seed erect or pendulous, separate in distinct cells ; embryo 
straight ; radicle inferior. 
Genera 73 ; species about 700. 
Distribution : — Chiefly tropical. 
1. Bouchea Cham. 
Perennial herbs or low undershrubs. Leaves opposite or subopposite, 
petiolate, ovate or oblong, usually toothed. 
Flowers sessile or shortly pedicellate, in terminal spikes or spicate 
racemes, solitary in the axils of persistent bracts which are shorter than 
the calyx ; bracteoles minute or 0. Calyx narrowly tubular, prominently 
5-ribbed, obliquely truncate or shortly 5-toothed, usually becoming 
more or less dilated below as the fruit ripens, at length splitting longi- 
tudinally to the base. Corolla-tube long, slender, cylindric j limb spread- 
ing, oblique, with 5 subequal lobes. Perfect stamens 4, didynamous, 
inserted in the upper part of the corolla-tube, included ; filaments very 
short ; anthers ovate with parallel cells. Ovary 2-celled ; ovules I — 2 
