302 Lxxxiv. ArocYNACE.E (staff). [Pleiocarpa. 



Imperfectly knovni species. 



10. P. breviloba, /S7r^7>/'. Young branches slender, subangular; 

 lenticels scanty, minute. Leaves opposite, elliptic-lanceolate, acumi- 

 nate (acumen sublinear, subobtuse), gradually narrowed into the petiole, 

 4j-fi in. long, lJ-2 in. broad, chartaceous-membranous, shining on 

 both sides ; secondary nerves mixed with tertiary nerves, v/hich (like the 

 reticulating veins) are slightly raised, especially above ; petiole o;^-5 lin. 

 long. Flowers subsessile, in sessile compact axillary clusters. " Calyx 

 scarcely f lin. long; sepals ovate, acute. Corolla-tube 2|-3 lin. long; 

 lobes ovate, obtuse, hardly 1 lin. long. Carpels 2. — Uunteria hreviloba^ 

 Hallier 1. Kautschuklianen in Jahrb. Hamburg. Wissensch. Anstalt. 

 xvii. (ISDO), ?j. Beih. 1^0, and in Schlechter, Westafr. Kautschuk.- 

 Exped. 300. 



Iiower Guinea. French Congo : in forests near the River Sanga, between 

 Woso and IJonga, Schlechter, 12706. 



'J'liis is, no doubt, a true Pleior-arpa.^ very near P. WeUoiisehii and 1 . tiihicinay 

 if it is not identical with one of tbein. 



1 1 . P. caxnerunensis, Stapf. A shrub 3-9 ft. high ; young 

 branches slender, angular, green ; the older rough with lenticels. 

 Leaves elliptic- to lanceolate-oblong, abruptly acuminate (acumen 

 obtuse, up to 7 lin. long), oi-6 in. long, 1J-2J in. broad, chartaceous 

 or papeiy, dull or pale green ; midrib channelled, with a more or less 

 distinct central longitudinal ridge ; secondary nerves obliquely spreading, 

 about 10 on each side, faintly raised above and below; veins obscure; 

 petiole 3-4 lin. long. Flowers in few- to many-flowered axillary or 

 pseudoterminal sessile compact clusters. Calyx ^ to almost 1 lin. 

 long ; sepals ovate-triangular, acute, herbaceous, with an entire or 

 lobed scale-like gland at the base within. Corolla white ; tube 1 J lin. 

 long, with a callous ring at the mouth ; lobes oblong, obtuse, as long as 

 the tube. Carpels 2 ; ovules 4 in each cell. — Eunteria camerunensis, 

 Hallier f. Kautschuklianen in «lahrb. Hamburg. Wissensch. Anstalt. 

 xvii. (]809), 3. Beih. 187. 



Kower Guinea. Caraeroons ; Blpinde, by streamlets, in shady forest, 300- 

 350 ft., ZenJcer, 1211! 1620! 2311! 



I liave little doubt that this is a Pleiocarpa ; but as the material at my disposal is. 

 very scanty, I am unable to work out its affinity. Hallier states that there a.re 

 8 ovules in 4 rows in each carpel ; 1 have not been able to find more than 4 in each 

 carpel. 



12. P. microcarpa, Stci])/. Branches pale brown, with warty 

 lenticels. Leaves ternate, oblong, abruptly acuminate (acumen linear, 

 obtuse, up to 5 lin. long), acuminate at the base, 4J-7 in. long, l|-2i 

 in. broad, almost glaucous below ; secondary nerves subhorizontal, 16- 

 20 on each side, raised on both sides ; veins delicate, surrounding 

 horizontal areoles ; petioles 4-G in. long. Flowers in sessile axillary 



