432 LXVII, UMBELLIFERZ. [Coriandrum 
12. CORIANDRUM Tourn., L.; Benth. & Hook. f. Gen. Pl. i. 
p. 926. . 
1. C. sativum L. Sp. Pl., edit. 1, p. 256 (1753); Hiern in Oliv. 
Fl. Trop. Afr. iii. p. 3. 
GoLuneo ALTo.—Along the streams Delamboa, Quibolo, etc. ; fre- 
quently cultivated and often wild; fl. and fr. August 1856. No. 2506. 
See Welw. Apont. p. 552 under n. 109. 
13. CAUCALIS Tourn., L. ; Benth. & Hook. f. Gen. Pl. i. p. 928. 
1. C. mossamedensis Welw. ms. in Herb. 
An annual herb, 6 to 18 inches high, dichotomously branched 
from the base, aromatic; branches divaricate or spreading, 
glabrate or nearly so, furrowed, leafy; leaves pinnatisect, 
herbaceous-green, ranging up to 3 inches long; ultimate segments 
linear, glabrous or nearly so or slightly lepidote ; petiole dilated, 
short, clasping towards the base, often ciliolate; umbels leaf- 
opposed and terminal, 1 to 2 inches in diameter ; peduncles ranging 
up to 4 inches long, striate; bracts of the involucre and of the 
involucels narrowly linear, several, hairy, ranging up to } inch 
long, acute; rays of the umbel 6 to 10; umbellules densely 
flowered ; flowers white, on short pedicels; calyx-limb obsolete or 
concealed by the whitish hairs of the densely setose ovary ; petals 
incurved at the apex ; stamens exserted ; anthers violet-coloured ; 
fruit ovoid, laterally compressed, constricted at the commissure ; 
carpels almost terete ; ridges all obscure or not prominent, densely 
setose with irregularly arranged whitish prickles; vitte all 
solitary ; stylopod conical, more or less free from the prominent 
axis of the carpophore ; styles divaricate or nearly deflexed ; 
carpophore bipartite; seeds dorsally somewhat compressed, 
broadly furrowed or almost hollowed on the face. 
MossaMEDES.—In the sparingly herbaceous maritime depressions 
among gravelly hills above Praia da Amelia, towards the mouth of the 
river Caroca, near Cabo Negro, nearly always in company with 
Merremia multisecta Hallier (Welw. Herb. No. 6112) and Gisekia, 
abundant, but seen only in one place; fl. and fr. 4 Sept. 1859. 
No. 2500. In moist sandy places at the banks of the river Bero, 
rather rare ; fl. and fr. July 1859. No. 2501. 
This belongs to the section Torilis, and is probably the plant referred 
to by Welwitsch in Journ. Linn. Soc. v. p. 185 (1861) as a Pimpinella- 
like annual Umbellifer. 
LXVIII. ARALIACEA. 
1. CUSSONIA Thunb. ; Benth. & Hook. f. Gen. Pl. i. p. 944. 
1. C. angolensis Hiern in Oliv. Fl. Trop. Afr. iii. p. 32. 
Spherodendron angolense Seem. in Journ. Bot. iit. p. 34, t. 26 
(1865), and Rev. Heder. p. 37, t. 1 (1868). 
Ampaca.—A tree, 15 to 25 feet high ; trunk 1 to 12 feet in diameter, 
very strictly erect, in the adult state bare to a great extent, bearing at 
the apex an exactly spherical head of branches and foliage and 
presenting a remarkable appearance, especially when the trees are 
massed and grouped into woods; flowers greenish. In the denser but 
