BlephaHs.] xcviii. ACANTHACEiE (clarke). 105 



Leaves up to 2 by i in., spinous-margined, with many minute glandr 

 tipped hairs. One-flowered branches (reduced spikes) axillary, solitary, 

 scattered, and in the upper axils approximated ; flower-bract | in. long, 

 narrow-elliptic or oblong, spinous-margined ; bracteoles 0, Calyx J in. 

 long, minutely hairy, veins conspicuous ; 2 inmost segments | in. long, 

 linear-lanceolate. Corolla 1 in. long or rather more. — Lindau in Engl. 

 Pfl. Ost-Afr. C. 3G9. B. Stuhlmanni, Lindau in Engl. Jahrb. xx. 31, in 

 Engl, t Prantl, Pflanzenfam. iv. 3 B. 318, and in Engl. Pfl. Ost-Afr. 

 C. 370. 



X^ozaxnb. Dlst. German East Africa : Manjansa Brook, Sfuhlmann, 678 ! 

 Muansa, Sfuhlmann, 4596 ! Portuguese East Africa : Tete, Kirk ! Carvalho ! Ped'rs ! 

 near Banga, Kirk, 286 ! 



Imperfectly known species. 



30. B. Phillipseae, Rendle in Journ. Bot. 1897, 375. Woody, 

 much-branched, canescent small shrub. Leaves apparently in false 

 whorls of 4, 4 in. long, oblong or elliptic, obtuse, mucronate, not spinous, 

 thick, minutely grey scabrid. One-flowered branches (reduced spikes) 

 solitary, axillary; lower empty bracts about 8, decussate, up to § in. 

 long, oblanceolate, tipped with 3-1 spines. Corolla \ in. long. 



xrile Kand. Somaliland : Bilien, 3Irs. Lort-Phillips ! 



If the bracteoles are 0, as may be inferred from Rendle's description, this species 

 would be near B. boerhaavicefolia. 



31. B. trinervis, Dewevre in Comptes-rendus Soc. Bot. Belg. xxxiii. 

 104 {name only). Leaf 1\ by J in., obovate-elliptic, obtuse, sessile, 

 3-nerved, spinous-margined, softly hairy. Flowers sessile, softly hairy ; 

 bract f in. long, elliptic, acute, spinous, hairy. Corolla scarcely | in. 

 long. 



South Central. Congo Free State : Upper Congo ; Katanga, Cornety 

 Bussumba, Dewevre ! 



This may be any Blepharis. The species was founded on the above -described 

 insufficient fragments, 



2G. ACANTHUS, Linn. ; Benth. et Hook. f. Gen. PI. ii. 1090. 



Calyx sub-4-partite to the base ; 2 anticous segments connate 

 high up or quite to the tip ; posticous segment lanceolate or oblong, 

 3-nerved; 2 interior segments narrower. Corolla; posticous lip 0, 

 represented by a thickened sinus at the level of insertion of the 

 stamens ; anticous lip nearly flat, 3-5-lobed ; middle (anticous) segnient 

 outside in bud. Stamens 4, subsimilar ; filaments glabrous ; anthers 

 1-celled, oblong, muticous, fringed with white hairs; pollen ellipscnd 

 with 3 narrow longitudinal chinks. Ovary with 2-1 ovules in each cell, 

 glabrous; style glabrous, except in A. eminens ; branches 2, subequal, 

 short-lanceolate or very small. Capsule ellipsoid, woody, shining brown, 

 2- (rarely 4-) seeded ; seeds discoid, without hairs. — Shrubs or small 

 trees. Leaves pinnatifid or entire, prickly or not. Flowers usually 

 large, in long or short spikes ; bract ovate, spinous or unarmed, or ; 



