2l8 Lxxxiv. APOCYNACE^ (stapf). [Zygodici. 



Nerves and veins obscure, at least in tlie old leaves ; 



old leaves coriaceous . . . . . 4. Z. melanocephala. 



Top of ovary glabrous . . . . . . h. Z. kindengensis. 



1. Z. urceolata, Stapf in Kew Bulletin, 1894, 122. A climbing 

 shrub; young branches densely fulvo-tomentose, terete, spreading at 

 wide angles, flexuose. Leaves all in one plane, rhomboid-lanceolate, 

 acute at both ends, 1 in. long, 6 lin. broad, thinly coriaceous, hirsute 

 on the midrib above, and on the nerves below, ultimately glabrescent ; 

 secondary nerves faint, about 6-7 on each side. Cymes crowded, 

 sessile or subsessile, 2-3 lin, long, rufo-pubescent ; bracts oblong or 

 linear-oblong ; pedicels almost 0. Calyx pubescent, ^ lin. long with 

 2-3 very minute intra-calycular glands ; sepals ovate, obtuse. Corolla 

 urceolate, \\ lin. long, glabrous without, hairy within, except at the 

 base, without supra-staminal scales ; tube 2-3 times as long as the 

 roundish lobes ; stamens inserted on a slight glabrous swelling of the 

 corolla-tube ; anthers sparingly hairy on the top. Disc distinct. 

 Carpel-tops hairy. Style very short, obconic ; stigma almost bell- 

 shaped, with a small apiculus. — Hua in Compt. Rend. Acad. Paris, 

 cxxxiv. 858. 



Iiower Guinea. Angola : Golungo Alto, Welwitsch, 5961 ! 



2. Z. subsessilis, Benth. in Hook. Ic. PL sub t. 1184. Young 

 branches very ^lender, terete, pubescent with minute curled or flexuose 

 hairs. Leaves rather variable in shape and size, obovate-oblong, 

 acuminate, rounded or acute at the base, l|-3 in. long, |-1| in. broad, 

 thinly coriaceous, shiny, glabrous above, except on the midrib, minutely 

 hairy on the midrib and in the nerve-axils below ; secondary nerves 

 5-6 on each side; veins fine but distinct in the young, obscure in the 

 old leaves ; petiole rather stout, J lin. long. Cymes about 4 lin. long, 

 rusty pubescent ; peduncle 2 lin. long; bracts linear-oblong, or ovate ; 

 pedicels scarcely any. Calyx minutely pubescent, J lin. long with 5 

 minute intracalycular glands ; sepals oblong-ovate, subobtuse. Corolla 

 glabrous without, pubescent within except at the base, without supra- 

 staminal scales (known from buds only). Stamens inserted on a slight 

 glabrous swelling of the corolla-tube. Anthers hairy on the back. 

 Disc distinct. Carpel-tops pilose. 



Xiower Guinea. Lowe r Congo, Smith / 



3. Z. myrtifolia, Benth in Hook. Ic. PI. sub t. 1184. A climbing 

 shrub ; young branches very slender, terete, pubescent with minute 

 curled or flexuose hairs. Leaves obovate-lanceolate to oblong, acute or 

 acutely acuminate, acute to rounded at the b^jse, 1J-2J in. lon</, 

 7-1) lin. broad, thin, shiny, scantily and minutely hairy on the midrib 

 above and below, soon glabrescent ; secondary nerves 6-8 on each side, 

 very fine but distinct like the loosely anastomosing veins, and slightly 

 raised on both sides ; petiole thin, 1 lin, long. Cymes dense, about 



