[1679] Rumphius, Amb., vol. v. t. 135.
[1680] Seemann, Fl. Vitiensis, p. 74.
[1681] Junghuhn, Plantæ Jungh., fasc. i. p. 241.
[1682] Piddington, Index; Rheede, Malab., vi. p. 23, etc.
[1683] Pickering, Chron. Arrang. of Plants, p. 442; Peters, Reise, p. 36; R. Brown, Bot. of Congo, p. 53; Oliver, Fl. of Trop. Afr., ii. p. 216.
[1684] Bulletin de la Société d’Acclimation, 1871, p. 663.
[1685] The species is given here in order not to separate it from the other leguminous plants cultivated for the seeds alone.
[1686] De Gasparin, Cours. d’Agric., iv. p. 328.
[1687] Schweinfurth and Ascherson, Aufzählung, p. 255; Richard, Tentamen Fl. Abyss.
[1688] Ascherson, etc., in Rohls, Kufra, 1 vol. in 8vo, 1881, p. 519.