Diplorhynchus| LXXXII. APOCYNACE. 667 
2. D. angolensis Biittner in Verh. Bot. Brandenb. xxxi. p. 85 
(17 Sept. 1889) (Diplorrhynchus). 
Diplorhynchus, sp. nov., Ficalho, l.c. Diplorhinchus Welwitschia 
Rolfe in Bol. Soc. Brot. xi, p. 85 (1893). D. Pogget K. Schum., l.c., 
p. 142 and p. 140, fig. 40, O. 
CazeNGo.—A shrub, 8 to 15 ft. high, shaped like a tree and then 
widely scandent with long sarmentose whiplike branches, apparently 
not lactescent ; flowers whitish. In dense thickets and at the outskirts 
of forests on both banks of the river Luinha, not uncommon ; fl. and 
remains of fr. 26 Dec. 1854. No. 5968. 
GotunGo ALTO.—-Usually a much-branched, many-stemmed, widely 
climbing, robust, long-sarmentose, arborescent shrub, or when fully 
developed a small tree with a trunk 4 to 6 in. in diameter ; flowers 
white, fragrant ; stamens inserted on the middle of the dilated corolla- 
tube a little below the throat ; filaments very short ; anthers triangular- 
pyramidal, connivent at the apex, yellow ; ovary depressed-globose, 
obtusely pentagonal ; style whitish ; stigma green, much broader than 
the style, cupuliform, obscurely pentagonal, bearing in the middle 
within the cup a red ovoid-conical stigmatoid mass. In the Queta 
forests, fl. Oct. 1855 ; also at the outskirts of the dense forests among 
the elevated Capopa mountains, fl. Dec. 1855. No. 5984. 
AmpBaca.—An arborescent shrub; trunk short, 4 in. in diameter, 
soon divided into innumerable very densely ramulose branches ; flowers 
white, very fragrant, jessamine-scented ; follicles geminate, distinct 
from the base, diverging, woody ; seeds broadly winged. In rather 
elevated bushy places near Puri-Cacarambola, in company with Nathusia 
trichoclada O. Kuntze ; fl. and fr. Oct. 1856. No. 5983. A small tree, 
scarcely 10 ft. high, usually lower; one or two branches scandent ; 
seeds broadly winged at the apex. In wooded mountainous parts of 
Puri-Cacarambola ; fr. Oct. 1856. Cou. Carp. 727. 
This shrub is called by the Portuguese colonists “ Jasmineira”’ or 
“ Jasmin de Cazengo”’ or “ Jasmineiro d’Africa,” 
6. VINCA L. ; Benth. & Hook. f. Gen. Pl. ii. p. 703. 
1. V. rosea L. Syst. Nat., edit. 10, ii. p. 944 (1759). 
Lochnera rosea Reichenb, Conspect. p. 134 (1828); Durand & 
Schinz, Congo, i. p. 190 (1896). 
IsLAND oF St. THoMAs.—Plentiful and almost wild about dwellings, 
but probably introduced in former times; fl.and fr. Dec. 1860. No. 5986. 
7. PLUMERIA Tournef., L. ; Benth. & Hook. f. Gen. Pl. ii. p. 704. 
1. P. rubra L. Sp. Pl, edit. 1, p. 209 (1753). 
Loanpa.—A shrub with a thick fleshy patently and articulately 
branched stem and very agreeably fragrant rose-purple flowers centrally 
placed in the terminal fascicle of the leaves. Cultivated in the Museque 
Lopes on the island of Loanda ; fl. May 1854. Called by the Portuguese 
colonists ‘ Jasmin mangueira.” Apparently this species. No. 5985. 
8. TABERNANTHE Baill. in Bull. Soc. Linn. Paris i. p. 783 
(1889) ; K. Schum. in Engl. Nat. Pflanzenfam. iv. 2, p. 146 (1895). 
Iboga K. Schum., l.c. 
1. T. Iboga Baill., J.c. ; Oliv. in Hook. Ic. Pl. xxiv. t. 2337 (1894). 
PunGo ANDoNGo.—An arborescent shrub 5 to 6 ft. high ; sometimes 
