367 



ing the sepals, subequal in length, the posterior generally slightly 

 broader than the others, sessile or subsessile but never long clawed. 

 Stamens 10, all fertile, free, exserted ; anthers oblong, uniform. 

 Ovary stipitate, stipe adnate to the receptacle posticously, ovules 6 ; 

 style elongate, filiform, stigma small, terminal. Pod woody, com- 

 pressed ; seeds rotundate, compressed. Unarmed trees. Leaves 

 abruptly pinnate, leaflets rigidly chartaceous to coriaceous. Flowers 

 medium-sized, in spiciformed racemes arranged in terminal panicles. 

 Bracts small, deciduous ; bracteoles large, concave, enclosing the 

 bud, persistent until after flowering. 



Isoberlinia Dalzielii, Craib & Stapf in Kew Bull. 1912, ined. 



Leaves equally pinnate ; leaflets 6-8, ovate to oblong, apex slightly 

 emarginate, rounded or truncate at the base, 2^-6 in. long, 1t>-3^ in. 

 broad, tomentose in the young state, mature glabrous above, velvety 

 beneath, firmly chartaceous, main nerves 8-10 on each side, promi- 

 nent below ; petiolules short. Panicle 1 ft. long ; rachis and branches 

 ferrugineo-tomentellous ; bracts ovate, acute, caducous ; bracteoles 

 tomentellous on both surfaces. Calyx lobes 5, narrow subequal. 

 Petals 5, subequal in length. Stamens 10, filaments pilose towards 

 the base. Ovary densely hairy. 



Vernac. names.— Farin-doka (Kontagora, Dalziel) ; Ferin-doka ? 

 (Hansa, Dudgeon). 



Kontagora (Dalziel, No. 26, 1906, Herb. Kew) ; ?,Zaria (Dudgeon, 

 No. 8, 1909, Herb. Kew). 



Bark used with Strophanthus hispidus, and other plants in 

 arrow-poison, Kontagora (Dalziel, Bull. Imp. Inst. 1907, p. 265 — 

 under Berlinia paniculata). 



Food plant of the Tsamian fakali silkworm (Dudgeon, N. Nigeria, 

 Govt. Gaz. July 31st, 1909, p. 160— under Macrolobium sp. ?). 



Isoberlinia Doka, Craib & Stapf in Kew Bull. 1912, ined. 



Glabrous excepting flowers and young branches of inflorescence. 

 Leaves equally pinnate ; leaflets 6, ovate-elliptic, acute or slightly 

 acuminate at the apex, cuneate at the base — the terminal pair un- 

 equally so— 3-7 in. long, lf-3} in. broad, firmly chartaceous, main 

 nerves 8-10 on each side, prominent below, distinctly petioluled. 

 Panicle terminal, 4|-9 in. long ; bracts broadly ovate, acute, deciduous ; 

 bracteoles rather densely pilulose on both surfaces. Calyx tube 

 evident, lobes 5, subequal. Petals 5. Stamens 10, filaments shortly 

 and sparingly pilose towards the base. Ovary densely hairy. 



Vernac names. — Doka (Kataguin, Dalziel) ; Bokin-doka ? (Zaria, 

 Dudgeon) ; Doka ? (Zaria, Parsons). 



Katagum (Dalziel, No. 361, 1908, Herb. Kew) ; ? Zaria (Dudgeon, 

 No. 9, 1909, Herb. Kew). 



" Bokin-doka " is the food plant of the " Tsamian doka ' 2 silkworm 

 (Anaphe Moloney i) (Dudgeon, N. Nigeria Govt. Gaz. July 31st, 1909, 

 p. 160— under Macrolobium Palisoti ?). 



" Doka " supplies most of the forked supports for native houses in 

 Zaria (Parsons, N. Nigeria Govt. Gaz. Feb. 28th, 1910, p. 102— under 

 Bei iinia acum inata). 



Macrolobium, Schreb. 



Macrolobium Palisoti, Benthr, Fl. Trop. Afr. II. p. 297. 

 III.— Pal. de Beauv. Fl. Ow. Ben. i. t. 42 (Anlhonolha macrophylla); 

 Baillon, Adansonia, vi. t. 3, ft', 6, 7 (Flower &c. Voiui[>a macrophylla), 



