290 
FLORA OF ADEN . 
campanutate, deflexed in fruit, 2-lipped ; upper lip broad, flat, 
decurrent, erect in fruit ; lower lip usually with 4 mucronate teeth, 
the 2 middle the largest. Corolla 2-lipped ; tube short, not annulate 
within ; upper lip subequally 4-fid ; lower lip hardly longer than the 
upper, declinate, entire, flat, or nearly so. Stamens 4, didynamous, 
declinate, exserfced ; filaments free or the lower pair connate below, 
naked, or the upper toothed or hairy below ; anther-cells confluent. 
Disk entire or 3— 4-lobed. Ovary 4-partite ; style-lobes subulate or 
flattened. 
Nutlets 4, dry, smooth or subrugose, mucilaginous when moistened, 
enclosed in the enlarged, membranous, veined, strongly recurved calyx. 
Species about 60. 
Distribution : — Throughout the warmer regions of both hemispheres. 
1. Ocillinm suave Willd. Enum. PI. Hort. Bot. Berol. 629 ; Benth. 
Lab. 7, et in DC. Prodr. XII, 35 ; This. -Dyer FI. Trop. Afr. V, 338 : 
Engl. Hochgebirgsfl. Trop. Afr. 357 ; Yatkein Linnsea vol. 37,314. 
Ocimum menthaefolium Hochst. ex Benth. Lab. (ex parte). 
Ocimum anosurum Fenzl in Flora (1844) 312. 
Ocimum gratissimum var. suave Hook. FI. Brit. Ind. IV, 609. 
Description : — A stout branching herb ; stems square, with rather 
sharp angles, shortly and densely pilose to subglabrous ; leaves spread- 
ing ; petiole 2£ inches long, pubescent or pilose; blade 14 — 34 inches 
long, § — 24 inches broad, flat, ovate or ovate-lanceolate, acute, cuneate at 
the base, obtusely and somewhat coarsely serrate, pubescent on both sides 
or occasionally glabrous. 
Inflorescence of 3 or more terminal spike-like racemes 3 — 6 inches long, 
bearing numerous closely-placed 6-flowered whorls of small flowers ; 
bracts 14 — 2 lines long, ovate, very acuminate, reflexed, persistent; 
pedicels 4 — 1 line long, pubescent; flowering-calyx deflexed, thinly pubes- 
cent to densely white pilose-pubescent outside, glabrous within ; tube 
1 line long, campanulate ; upper tooth about 1 line long and broad, very 
broadly ovate with recurved margins ; lateral teeth minute, filiform- 
subulate, with the mouth of the tube above them produced into a lobe 
or auricle under the upper tooth ; lower teeth united into a deltoid body 
\ line long, minutely 2-toothed at the apex ; fruiting-ealyx enlarged, 
about 24 lines long, with the lobe formed by the lower teeth pressed 
against the auricles under the upper tooth and closing the mouth of the 
tube. Corolla scarcely exserted from the calyx, white ; tube 1 line long, 
glabrous ; upper lip line long, subequally 4-lobed ; lobes oblong, 
obtuse, pubescent on the back ; lower lip § line long, elliptic, obtuse, 
very concave, pubescent on the back ; stamens exserted, unequal ; filaments 
