276 XC. BIGNONIACER. 
Branches divaricate. Leaves simple, tufted. Flowers lateral, subsessile, 
handsome, white. Two species: C. Alerandri, Don, found by Sir J. Alex- 
ander in Namaqualand, and by Mr. Chapman near Lake Ngami; and C. 
Kolbeana, Harv., discovered by Mrs. Kolbe in Damaraland. 
3. RHIGOZUM, Burch. 
Calyx bell-shaped, shortly 4—5-toothed. Corolla funnel- 
shaped, with a wide, subcampanulate tube, and an obtusely 
5-lobed, spreading, subequal limb. Stamens 5 (rarely 6-7), 
subequal and perfect, alternating with the corolla-lobes ; an- 
ther-cells parallel, erect, free below. Ovary fusiform, 2- 
celled; ovules many. Capsules compressed, substipitate, 
2-celled, the septum parallel with the valves. Seeds widely 
winged.—DC. Prod. ix. p. 234. 
Rigid, di-trichotomous, spiny shrubs, natives of the Eastern and Northern 
districts. Leaves on the twigs alternate or ternate, small; at the nodes 
fascicled, obovate or oblong, glabrous or downy. Flowers mostly solitary 
at the nodes, subsessile, yellow.—2 or 3 species ? 
TrrpE 2. CrESCENTIED. (Gen. 4.) 
4. KIGELIA, DC. 
Calyx tubular-subcampanulate, 5-fid, with subacute lobes. 
Corolla with a short tube, a widely-bellshaped throat, and a 
subequally 5-lobed limb; the lobes ovate, acuminate. Sta- 
mens 4, didynamous, with a rudiment; anthers 2-celled, the 
cells separate at base. Ovary on a tumid disk, with prominent 
placentas, 2-celled ; stigma 2-lamellate. Fruit pulpy within, 
many-seeded.—DC. Prod. ix. p. 247. 
K. pinnata, DC., a tree, sent from Natal by Mr. Sanderson, is also a 
native of Mozambique. Leaves alternate, pinnate, coriaceous; leaflets 
oval. Panicles on long peduncles, pendulous, springing from the trunk or 
from old branches. Corolla large and handsome, red, paler outside. 
OrpEr XCI. GESNERIACEZ. 
Calyx with 5 teeth, lobes, or distinct sepals. Corolla-tube 
long or short ; limb 2-lipped or of 5 spreading lobes, imbricate 
in bud. Stamens 2, or 4 in pairs, inserted on the tube, with 
sometimes a fifth sterile one ; anther-cells distinct or confluent. 
Ovary superior or inferior, 1-celled, with 2 entire or lobed 
parietal placentas that almost meet in the cavity; style sim- 
ple; stigma entire or lobed; ovules few or many. Fruit a 
berry or capsule, 1- or many-seeded.—Herbs or shrubs, rarel 
climbers. Leaves opposite or alternate, rarely whorled. A 
considerable tropical Order. 
Tribe 1. Prparinrm®. Fruit indehiscent or obscurely dehiscent at the 
apex, hard, or fleshy. Seeds solitary or few, scarcely oily, never winged. 
Procumbent annuals or perennials, 
