Baissea.] lxxxiv. APocYNACEiE (staff). 217 



23. Guerkea schumanniana, Be Wild, d- Durand in Comptea- 

 rendus Soc. Bot. Belg. xxxviii. 128. A climbing shrub; branches 

 slender, terete, velvety, compressed when young. Leaves oblong or 

 obovate, shortly acuminate, obtuse or subcordate at the base, 1-1 J in. 

 long, J-1 in. broad, sparingly hairy above, long hairy on the nerves 

 below ; secondary nerves about 5 on each side, slightly raised on both 

 surfaces. Panicles few-flowered, shorter than the leaves, minutely 

 tomentose ; peduncle 5 lin. long. Calyx | lin. long ; sepals oblong- 

 ovate. Corolla subcampanulate, minutely tomentose without; tube 

 l\ lin. long ; lobes as long as the tube. Ovary hairy. Follicles elongate, 

 brown, velvety, 3-6 in. long. Seeds ovate-lanceolate, flattened, 1) lin. 

 long; coma 11 lin. long. 



Soutb Central. Congo Free State : liangala, Dewevre (flowers) ; IJumba, on 

 the Kiver Congo, Dewevre (fruits). 



The cUscription answers very well to the genus Baissea, and Hua (in Conipt. 

 llend. Acad. Paris, exxxiv. 857) points out that 6r. schumanniana is sictuilly 

 identical with B. axillaris, Stapf. 



39. ZYGODIA, Benth. in Benth. et Hook. f. Gen. PI. ii. 710. 



Calyx small, herbaceous, with 3-5 very minute intracalycular glands, 

 rarely eglandular ; sepals 5, free or nearly so, slightly imbricate, ovate, 

 acute or obtuse. Corolla campanulate or urceolate, naked at the 

 mouth, with or without minute callous scales some way above the in- 

 sertion of the stamens and with dense obversely triangular patches of 

 white reflexed hairs between them ; lobes short, ovate, overlapping to 

 the right. Stamens inserted below the middle of the corolla-tube ; 

 filaments extremely short, stout ; anthers conniving in a cone, included, 

 lanceolate, acute, sagittate; appendages as long as or longer than the 

 polliniferous part ; tails short, subobtuse ; foot of the connective broad, 

 with a faint central ridge and hairy cushion at the base. Disc cupular, 

 entire or slightly 5-lobed. Carpels 2, free, slightly inferior, more or 

 less fused with the disc; style very shorty usually obconic; stigma conic 

 or conic- ellipsoid, with a bifid apiculus; ovules numerous, pluriseriate. 

 Mericarps follicular, divaricate, cylindric, slender. Seeds unknown. — 

 Scandent shrubs. Leaves opposite, small, thinly coriaceous, with the 

 petioles twisted so as to be all in one plane; axillary stipules and 

 glands 0. Flowers inconspicuous, in small very short axillary cymes. 

 Species 5, endemic. 

 *EuzTGODiA. — No callous scales in the corolla-tube. 

 Young branches densely f ulvo-tomentose ; leaves 



rhombic 1. Z. urceolata. 



Young branches finely fulvo- pubescent or pubcrulous, 



soon glabrescent ; leaves obovate-oblong . . 2. Z. suhsessilis. 

 **HuALLA. — With minute callous scales some way above the insertion of tlio 

 stamens. 



Top of ovary hairy. 



Nerves very fine, but distinct like tiie veins; leaves 



thin, papery 3. -^, myrtifolia. 



