60 Lxxxiv. APOCYNACE.E (stapf). [Landolphia. 



29. L. reticnlBtR f Ilallier f. KcmtschuJcUanen in Jahrh. Hamburg. 

 Wissensch. Anstalt. xvii (181)9), 3. Beih. 87. A tall scandent shrub ; 

 young branches stout, terete, covered with a delicate dense rusty 

 tomentum. Leaves elliptic, abruptly and acutely acuminate (acumen 

 10 lin. long), somewhat rounded at the base, 8 in. long, 3J-4 in. broad, 

 chartaceous, glabrous and dark-green above, very delicately fulvo- 

 tomentellous below ; midrib channelled above, much raised below ; 

 secondary nerves 7-9, spreading, straight, slightly raised above, more 

 so below; petiole stout, 7-10 lin. long, finely tomentellous. Flowers 

 and fruits unknown. 



Iioiver Guinea. Gaboon : Mhusu, on the Eliva Sonanga (Lake Sonenge), 

 Buchholz. 



This yields, according to Buchholz, the rubber of the Ogowe basin. Hallicr 

 places it near L. ochracea. 



30. L. pyriformiSy Stapf. A powerful scandent shrub or tree with 

 strong hook-branched terminal tendrils (sensitive inflorescences) up 

 to 3 ft. long ; young branches delicately dark rusty tomentose, soon 

 more or less glabrescent, or even quite glabrous, dark reddish-brown, 

 with whitish inconspicuous lenticels. Leaves elliptic, shortly acuminate 

 or cuspidate, subacute or obtuse at the base, about 6 in. long, 3 in. broad, 

 very coriaceous, glabrous (when mature) ; midribs channelled above, 

 much raised below; lateral nerves 13-14 on each side, much spreading, 

 straight, connected by marked arches 2-3 lin. within the margin, like 

 the reticulation sunk above, raised below ; petiole very stout, up to h 

 in. long. Panicle terminal, up to 3 ft. long, bearing dense clusters of 

 sessile flowers at the ends of spreading or recurved branches, lufo- 

 tomentellous or glabrescent ; upper part of the rhachis and branches 

 sensitive and acting as tendrils. Calyx and corolla unknown to me. 

 (Corolla-tube according to Pierre MS. elongate above the stamens which 

 are inserted below the middle.) Fruit pear-shaped, 4-G in. long, 3 in. 

 or more broad, finely velvety, reddish-yellow ; rind fleshy without a 

 sclereuchymatous layer ; seeds about 4, almost 1 in. long. — Ancylohothrys 

 pyriformis, Pierre in Bull. Soc. Linn. Paris, 1899, 120; Schlechter in 

 Tropenpfl. iv. (1900) 3; Hallier f. Kautschuklianen in Jahrb. Hamburg. 

 Wissensch. Anstalt. xvii. (1899), 3. Beih. 85. 



IiO-wer Guinea. Gaboon, Klaine, 1401 ! 6591 ! 



This is, no doubt, a member of the section Avcyloholrys ; but its exact position 

 cannot be ascertained in tlie absence of flowers. 



3. CLITANDRA, Benth. ; Benth. et Hook. f. Gen. PI. ii. 692. 



Calyx very small ; sepals 5, ovate, ciliolate, otherwise usually 

 glabrous, rarely minutely pubescent, eglandular. , Corolla salver- 

 shaped ; tube subcylindric, long or short, or spindle-shaped, or urceo- 

 late to companulate, widened and staminiferous just above the calyx 

 (rarely higher up but not more than one calyx-length), mouth naked ; 

 Jobes 5, narrow, overlapping to the left. Stamens included ; filament^ 



