1H8 Lxxxiv. APOCYNACE^. (stapf). [Isonema. 



Seeds narrow, linear-oblong, compressed, with an apical and a smaller 

 basal tuft of hairs, not known in the mature state (immature embryo 

 v/ith flat cotyledons). — Glabrous or hairy climbing shrubs. Leaves 

 opposite ; secondary nerves conspicuously looping below the margin, 

 distant ; axillary stipules ; axillary glands or obscure.* Flowers in 

 terminal pyramidal pa.nicles, middle-sized. 



Species 3, eudeiuic. 



Young branches rusty tomentose ; leaves liirsute 

 below. 

 Corolla-tube funnel-shaped ; ovary nearly quite 



glabrous . . . . . . .1,7. Infund ihulijlorum. 



Corolla-tube cylindric; ovary tomentose . . 2. I. Smeathmanni. 



Young branches minutely puberulous ; leaves 



glabrous 3. 7. BuchhoJzii. 



1. I, infuiadibuHflorixm, aS'^^P/ m /L'e?^ ^^t^Zeim, 1898, 800. A 

 small shrub, about ?> ft. high ; young branches brownish tomentose, 

 latei' on glabrescent, at length blackish. Leaves oblong, acutely acumi- 

 nate, rounded at the base, 3-4 in. long, \\-2 in. broad, coriaceous, 

 glabrous above, sparingly hirsute on the nerves below ; secondary nerves 

 5-0 on each side, prominent below ; petiole 2 lin. long. Panicles 

 solitary or >> from the branch-tops, 1-1 J in. long, short, rufo-tomentose ; 

 lower branches with :3-6 flowers ; upper more reduced ; peduncle h-\\ 

 in. long; bracts minute, caducous; pedicels 2 lin. long. Calyx IJ lin. 

 'ong, puberulous ; sepals ovate, acuminate. Corolla red with yellow 

 borders, minutely tomentose without; tube funnel-shaped, 4 lin. long; 

 lobes ») lin. long, lateral appendix large. Stamens i>h lin. long. Ovary 

 tops sparingly hairy. — Stapf in De Wild, t Dura.nd,"Contrib. Fl. Congo 

 i. 40; De Wild. & Durand, lUustr. Fl. Congo, i. v. t. lii. ; K. Schum. 

 in Schlechter, Westafr. Kautschuk-Exped. 308 ; De Wild. & Durand, 

 Reliq. Dewevr. in Ann. Mus. Con^o, Bot. 3 ser., fasc. ii. 154. 



Soutb Central. Congo Free State : Equateur (Equatorville ?), Deivevre, 

 554 ! Coquilhatville, Schlechter, 12602. 



2. I, Smeathmanni, Roem. d- Schvltes, Syst. Vey. iv. 401. A 

 more or less hairy climber ; young branches rusty tomentose, ultiroatfely 

 glabrate and blackish, terete. Leaves oblong, cuspidate or subacumi- 

 nate, rounded or very slightly cordate at the base, generally 3-4 in. 

 long, l-J- If in. broad, coriaceous, hairy on the midrib above, m.ore or 

 less hirsute on the nerves and often between them below, at length often 

 glabrescent ; secondary nerves about G on each side, much raised below ; 

 petiole i-3 lin. long. Panicles narrow, stiff", rusty tomentose; peduncle 

 rather stout, 1-1 J in. long ; bracts small, ovate or lanceolate, acuminate ; 

 pedicels from very short to 3 lin. long. Calyx 1 lin. long ; sepals broad, 

 ovate, acute, pubescent. Corolla reddish, pubescent outside ; tube 

 cylindric, 4 lin. long; lobes oblong, 3 lin. long; lateral appendage 

 small. Anthers IJ lin. long. Ovary tomentose. Follicles velvety, 

 yellowish-brown, 5-6 in. long. Seeds 7 lin. long; apical tuft 2 in. long, 



