Hunteria.] Lxxxiv. apocynace.e (staff). 106 



15 on each side. Peduncle up to 1 in. long; pedicels 1-2 lin. long. 

 Sepals acute, 1 lin. long. Corolla-tube 5 lin. long ; lobes 2^-3 lin. long. 

 Berries (immature) ovoid or globose, stipitate, obtuse or apiculate, 4-5 

 lin. long. 



Xrile Ziand. British East Africa : by the River Sabaki, near Malindi, Kirk ! 



XMCozam'b.Slst. German East Afi'ica : Usambara ; Pangani, Stuhlmann, 77 ! 

 Usaramo ; Hag inioyo, Stuhlmann, 206 ! Dar es Salaam, Kirk ! 



11. DIPLORHYWCHUS, Welw. in Trap^. Linn. Soc. ser. 2, ii. 2'2. 



Calyx very small, eglandular; sepals almost free, ovate, subacute, 

 more or less membranous or subherbaceous, not resinous. Corolla 

 salver-shaped ; tube cylindric, widened below and constricted at the 

 mouth ; lobes oblong, overlapping to the left. Stamens inserted in the 

 widened part of the tube ; anthers free from the stigma, ovate, acute ; 

 cells obtuse at and dehiscing to the base. Disc 0. Carpels 2, free ; 

 style filiform ; stigma at the level of the anther.^, depressed-capitate, 

 subpapillose, with a bifid smooth apiculus ; ovules 2-4* in each cell, 

 superposed. Mericarps follicular, 2, spreading, semi-obovate, stipitate, 

 woody or coriaceous, warty, dehiscent. Seeds 2-4, strongly compressed, 

 winged, the wing of the basal seed terminal, that of the topmost seed 

 basal ; endosperm ; cotyledons reniform, almost twice as broad as long ; 

 radicle short, lateral. — Trees or scandent shrubs. Leaves opposite, 

 coriaceous with rather numerous parallel nerves, minutely reticulate ; 

 axillary stipules ; axillary glands quite obscure or 0. Flowers small, 

 white, fragrant, in terminal often lax panicles. 



About 5 species, endemic, all of them very closely allied and difficult to dis- 

 criminate. 



Young branches, leaves and inflorescences perfectly glabrous. 

 Leaves broad-elliptic, generally rounded or truncate 

 at the base; corolla-tube 1\ lin. long, lobes 

 slightly longer . . . . . . 1. D. Welwitschii. 



Leaves oblong, acute at the base ; corolla-tube 1 lin. 



long, lobes almost twice as long . . . 2. D. angolensis. 



Young branches, leaves, and inflorescences, or at least the latter, distinctly 

 pubescent. 



Lateral nerves 8-12 on each side. 



Leaves elliptic, distinctly cuneate, glabrous; 



petiole 10-12 lin. long . • • . 3. 2). psilopus. 



Leaves ovate or elliptic, rounded or shortly acute 

 at the base, softly pubescent beneath, rarely 



subglabrous; petiole 4^8 lin. long. . . 4. D. mossambicensis. 



Lateral nerves 14-16 on each side . . . 5. D. ang^isUfolia. 



1. D. "Welwitschii, Rolfe in Bolet. Soc. Bot. xi. 85. A shrub 

 8 to 15 ft. high. Branches sarmentose, glabrous, terete, more or less 

 •dotted with minute lenticels. Leaves broadly elliptic, mostly shortly and 

 obtusely acuminate, or sometimes rounded or retuse at the apex, rounded 

 ■or truncate, rarely subacute at the base, 2-3J in. long, 1 J-2 in. broad, 

 coriaceous, perfectly glabrous, dark olive-biown when dry ; nerveR 



