ADDENDA. .-,03 



Acfa)ns,2; Makoiide Plateau, near Mkoniadatchi, Jiu.s-.ie, 1253; Xyasu Region- 

 basin of the Luha-arra River, Busse, 1249; Lik.,:i(le Rivir, Bus.se 12oO • Libiu.lxi 

 River, Busse, 1252. 



According to Busse the latex of tlrs species is useless. 



2G. Landolphia Thollonii, Dewevre. The rhizomes much 

 branched and almost matted ; branches up to 7^ hn. in diam. and 

 about G-8 in. below the surface of the soil. Fruit globo.<-e or sliglitly 

 attenuated at the base, up to 3 in. long, 2 in. in diam., dirty yellow, 

 mottled with brown, rind thick ; seeds o-24 in an edible cream-like 

 pulp, 10-15 lin. long.— Cheval. in Bull. Mus. Hist. Nat. Par. vii. 

 (1901) 42G ; De Wild., Not. Apocyn. Laticif. Congo, i. 40 et seq., 93, 

 t. i. and Etudes Fl. Bas et Moyen Congo, i. G8 ; De Wild, (t Gentil*, 

 Lian. Caoutch. Congo, 117, t. xxv., xxvi. ; Hua in Kev. Cult. Colon! 

 xiv. 05 et seq. 



Soutb Central. Congo Free State : Eastern Kwango and Lualaba-Kasui 



districts to 50° S. lat. 



Carpodinus (?) chylorrhiza, K. Schum. in Baum, Kunene- 

 Samh. Exped. 33G. An undershrub about 16 in. high, with creeping 

 rhizomes, much branched ; branches minutely pubescent when young, 

 then glabrous, dark brown, with minute lenticels. Leaves lanceolate, 

 obtuse, acute or slightly rounded at the base, 1-3 in. long, 2i-7.V lin. 

 long, firmly coriaceous, quite glabrous, with about 15 lateraf nerves, 

 more prominent above than below. Fruit obovoid, over 1 in. long, 

 with corky warts, glabrous. 



2Ga. Landolphia droogmansiana, De Wild, in De Wild, d- Gentil, 

 Lian. Caoutch. Congo, 59, t. iii. A liane, up to 100 yards long and 

 8 in. thick with numerous stout tendrils, glabrous wheft mature. 

 Leaves oblong, almost rounded at the base, slightly and obtu.sely 

 acuminate, 4-5 in. long, up to Ih in. broad, coriaceous, glabrous, midrib 

 channelled above ; lateral nerves 10-15 on each side, subhorizontal, like 

 the veins very prominent below ; petiole about 4 lin. long. Flowers 

 unknown. Fruit ovoid to obovoid, brick-red, with a thick coriaceous 

 rugose transverse ring at the middle and with longitudinal ribs, slightly 

 depressed at the top, l|-3 in. in diam., on a short stout pedicel ; .seeds 

 1-30, reddish-brown, Ih Hn. long, 3|^ lin. wide, embedded in an acidu- 

 lous, edible, greyish pulp. 



Soutb Central. Congo Free State : Kanda-Ivandn, on the River Lusile, 

 Gentil, 63. 



This is, accordinj^ to De Wildeman and Gentil, an excellent rubbi-r vine. The 

 actual position of this species is somewhat obscure, the flowers not beini,' known. 



2G6. Landolphia dubreucqiana, De Wild, in De Wdd. lO Gentil, 

 Lian. Caoutch. Conyo, 92, tt. 13-14. A liane, 4-5 yards long, up to 10 

 lin. thick, climbing by means of very slender tendrils or sensitive in- 

 florescences ; branches slender, spreadingly hirsute, at length 

 fflabrescent ; bark brown with numerous minute lenticels. Leaves 



