198 -VERBENACE# (Pearson). [ Bouchea. 
curved ; limb spreading, oblique, with 5 subequal short broad 
obtuse or emarginate lobes. Stamens 4, perfect, didynamous, 
inserted in the upper part of the corolla-tube, included ; filaments 
very short ; anthers ovate, with parallel cells. Ovary of 1 carpel, 
2-celled, 2-ovuled, glabrous; gynophore short, fleshy, and basal or 
flattened and forming an anterior scale; ovule basal, erect ; style 
terminal, filiform, somewhat thickened above, at the apex unequally 
divided into an anterior club-shaped stigmatic lobe and a posterior 
small or minute tooth; stigma terminal, oblique, laminar, sub- 
bilobed. Fruit usually shorter than the calyx-tube and enclosed 
in it, oblong, hard, with a smooth, striated or sculptured surface, 
attached to the gynophore by a basal or anterior more or less concave 
area (areole), when ripe remaining intact or spontaneously separating 
into 2 1-seeded cocci. 
Perennial herbs or low undershrubs ; leaves opposite or subopposite, toothed or 
incised, seldom entire ; inflorescence a terminal spike or simple spicate raceme ; 
flowers sessile or shortly pedicellate, solitary in the axils of persistent bracts ; 
bracts small, usually narrow ; bracteoles minute or 0. 
About 25 species in Tropical and South Africa, Tropical America and India. 
The South African species are here grouped in Schauer’s sections Rhagocarpium 
and Chascanum (Schauer in DC, Prod. xi. 557), the characters of which are, 
however, somewhat modified. : 
In the second group of the section Vhascanum, the aborted carpel is probably 
represented by the anterior scale-like gynophore. 
Section 1. RuaGocarPrum. Cocci separating spontaneously when ripe; 
each with an obliquely basal pit-like areole ; bracteoles 0. 
Leaves oblong or elliptic, acute or subacute at the 
apex : 
Bracts obtuse or subacute; flowers sessile ; 
corolla-tube not exceeding 1 in. long ... (1) adenostachya. 
Bracts acuminate; flowers shortly stalked ; : 
corolla-tube 14-14 in. long ... A ve 
Leaves cuneate, cuneate-orbicular or -ovate, rounded 
or obtuse at the apex: 
Leaves acutely toothed, glandular-pubescent 
(2) longipetala. 
beneath ag ve ae ... (3) hederacea. 
Leaves obtusely toothed or crenate, hirsute on 
the nervesbeneath .... oes ive ... (4) Wilmsii. 
Leaves lanceolate eee we iss see ... (5) Sehlechteri. 
Section 2, Cuascanum. Ripe fruit rot separating spontaneously into cocci; 
areole basal or on the anterior face ; flowers bracteolate, 
Areole basal : 
Leaves toothed, not more than 4 in. 
broad ‘ .» (6) cuneifolia, 
Leaves entire, not less than1lin. broad ... (7) latifolia. 
Areole on the anterior face of the fruit : 
Spike 4-12 in, long. (See also 13, pinnati- 
da) Soi ue bi oh ... (8) garepensis. 
Spike not more than 3 in. long: 
Leaves whorled (rarely opposite), 
crowded te wes ase ... (9) cernua, 
