90 ACANTHACEX (Clarke). [Macrorungia. 
scarious margins, nearly glabrous ; bracteoles minute ; calyx 2 in. 
long, minutely but densely hairy within and without ; styles 14 in. 
long. 
KALAHARI Rxeion: Transvaal ; Avoca, near Barberton, 1800 ft., Galpin, 
! 
There is no fruit on Galpin’s excellent specimen; but the corolla and stamens 
are so closely like those of M. pubinervis (of which the ripe fruit is known) that 
these two plants must be congeneric. 
XXX. DICLIPTERA, Juss. 
Bracts 2, much longer than the calyx, containing 1 (more rarely 2) 
flowers; bracteoles 2, linear. Calyx ¢ in. long or less, divided to 
the base; segments 5, linear, hairy. Corolla 1-1 in. long, pink, 
deeply 2-lipped; tube linear-funnel-shaped, Stamens 2; anther- 
cells 2, muticous, one much below the other; pollen ellipsoid, 
longitudinally banded, without tubercles. Ovules 9 in each cell ; 
style with 2 subequal very short lobes, Capsule 1-1 in. long, 
ovoid, very much flattened laterally, 4-seeded ; the placentae rising 
elastically from the base of the capsule-valves; seeds rough or 
tubercled. 
Herbs ; leaves entire; spikelets solitary, clustered or capitate, 
Species 60 ; in the tropical and subtropical regions of both hemispheres. 
Bracts broad, ovate or somewhat obovate: 
Leaves 2-3 in. long; spikelets from one axil 
numerous a ae oc sy oe 
Leaves 2-3 in. long; spikelets 1-5 (commonly 
3) from one axil oc ie ae ses 
— 7-1 in. long; spikelets 1-3 from one 
axi Ms ee ie cae oes is 
—— cuneate-oblong, acute or obtuse or lanceo- 
te: 
(1) heterostegia. 
(2) zeylanica, 
(3) capensis. 
Bracts 4-% by 3 in., lanceolate, not widened 
upwards ; 
Bracts % in. long, acute, mucronate (4) clinopodia. 
Bracts 4 in. long, not mucronate... ... (5) transvaalensis. 
Bracts 4 by 3 in. cuneate-oblong with rounded 
tip ae ey sis “ts ce - (6) Quintasii. 
Bracts 4 by j,-4 in., broadly -lanceolate +» (7) minor, 
1, D. heterost-gia (Presl, Bot. Bemerk. 95); stems 2 ft. long, 
hairy or nearly glabrous ; leaves up to 3} by 2 in., much narrowed 
at either end ; petioles long, some attaining 21 in.; inflorescences 
13-2 in. in diam., of many spikelets, rather dense, in many of the 
axils ; bracts paired, shortly pedicelled, 4-+ in. broad, sparsely hairy, 
enclosing 1 (or 1-3) flowers, lower ovate, acuminate, acute, or 
mucronate, upper rather shorter, rounded at the top, somewhat 
scarious ; bracteoles 1 in. long, linear-lanceolate ; sepals 1 in. long, 
linear; corolla 2 in. long; capsule 3 in, long, very hairy on its 
narrow margins, Nees in DO. Prod. xi. 478 ; T. Anders. in Journ. 
Linn, Soc. vii. 47. Justicia hetercstegia, E. Meyer in Drége, Zwei 
Pflanzengeogr. Documente, 152, 195. 
