52 LXX. RUBIACEZ (HIERN). 
[ Oldenlandia. 
Seeds numerous, small, more or less angular or rarely orbicular, 
imbedded in the corrugations ‘of, or peltately attached to, the thick 
placentas; testa thin, smooth or minutely granulated ; albumen fleshy 
or horny; embryo small, clavate. Herbs or shrubs with opposite 
leaves, acuminate or setose stipules adnate to the petiole or leaf-base, 
and small or delicate flowers arranged in terminal or axillary panicles 
or clusters. 
A considerable genus found in the hotter parts of both the Old and New Worlds. 
Calyx-segments 4 or rarely 5, without intervening teeth 
(or occasionally with minute intermediate teeth in 
O. globosa), Capsule dehiscent (or tardily so in O. 
wauensis). 
Leaves petiolate. Stigma sub-entire. Capsule septi- 
cidal, dicoccous. Seeds orbicular . . ... . 
Leaves sessile or subsessile. Style with two short 
linear stigmatic branches. Capsule loculicidally 
dehiscent at or from the apex or indehiscent or 
tardily dehiscent. Seeds angular. 
Capsule subglobose, dehiscent. 
Flowers tetramerous. 
Cymes terminal, densely corymbose or capitate. 
Leaves lanceolate or sub-linear; stipules 
truncate, terminated by 4 or 5 subulate 
setee. Cymes densely corymbose . . . 
Leaves elliptical ; stipules ovate, tridentate. 
Cymes globose . . ee 
Cymes terminal and lax or elongated or ample, 
or axillary. 
Corolla salver-shaped, exceeding the calyx. 
Leaves lanceolate, faintly nerved. Capsule 
toughly coriaceous . . . . . 
Leaves linear or nearly so, uni-nerved. 
Capsule sub-membranous. 
Stipules 3-1-cuspidate. Flowers 2-3 in. 
long. 
Corolla-lobes obtuse. 
Calyx pubescent . . 2. . 1... 
Calyx puberulous scabrid or glabrous. 
Branches terete. Leaves fascicu- 
late below. 
Smooth, glabrous, glaucescent . 
Glandular-scabrid, dull . 
Branches quadrangular. Leaves 
not fasciculate oo. 
Corolla-lobes acute acuminate, 
Corolla-lobes linear-lanceolate 
Corolla-lobes elliptic-lanceolate . 
Corolla-lobes oval, apiculate . 
Stipules truncate or nearly so, setose- 
ciliate. Flowers 4- H in. long. 
Branches of the inflorescence sub- 
spicate in fruit; flowers not 
fasciculate. 
Calyx-teeth linear-subulate, nearly 
equalling the corolla-tube . 
Calyx-teeth lanceolate, short , 
Oo NS 
9. 
10. 
11. 
12. 
13, 
. O. Peltospermum. 
. O. Bojeri. 
. O. globosa. 
. O. decumbens. 
. O. lasiocarpa. 
. O. rigida. 
. Oz ‘Schimperi. 
. O. obtusiloba. 
O. senegalensis. 
O. noctiflora. 
O. grandiflora. 
O. abyssinica, 
O. strumosa. 
