152 xcviii. ACANTHACE-E (cLARKE). [Barleritt. 



23. B. acanthoides, Vahl, Syinh. i. 47. Harsh prickly branched 

 undershrub ; branches densely canescent. Leaves 1-2 in. long, oblong- 

 elliptic, obtuse, mucronate, hairy, narrowed at the base, petiole 0— | in. 

 long ; interpetiolar spines simple 2-4 together, or compound. Racemes 

 1-8-flowered, condensed, unilateral, scorpioid ; bracts appearing as flat- 

 tened toothed more or less leaf-like or pinnatifid spines. Posticous 

 sepal § by h ^^■•) ovate, veined, sparsely hairy, entire or ciliate, hardly 

 toothed; lateral sepals less than J as long, linear-oblong. Corolla 

 white ; tube often 3 in. long and upwards, cylindric, funnel-shaped 

 only just at the top; lobes J in. long. Capsule h in. long, 4-seeded. — 

 Nees in DC. Prod. xi. 240 ; A. Rich. Tent. Fl. Abyss, ii. 145 ; T. Anders, 

 in Journ. Linn Soc. vii. 27 in small part; Solms-Laub. in Schweinf. 

 Beitr. Fl. Aethiop. 105, 242, exclud. syn. R. Br. ; C. B. Clarke in 

 Hook. f. Fl. Brit. Ind. iv. 484 ; Boiss. Fl. Orient, iv. 624 ; Lindau in 

 Engl, k Prantl, I^flanzenfam. iv. 3 B. 314, in Engl. Pfl. Ost-Afr. 

 C. 3(59, and in Ann. Istit. Bot. Roma vi. [1890] 71. Wahabia longijiora, 

 Fenzl ex Solms-Laub. in Schweinf. Beitr. Fl. Aethiop. 105. 



Nile Z.ancl. Nubia : Coast-land, 3000-4000 ft., Bent ! Suakin, Schweinfurth, 

 276! Dulac Archipelago, Steudner, 1507! Kordofan, Kotschy, 58! 73! Pfund, 221! 

 318! Diirtur, Pfund, 425! 426! 439! Eritrea: near Mount Yangous, 1100 tt., 

 Schweinfarlh Sf Riva, 599! Habab, 3000 ft., Hildehrandt, 451! Massowa, Lord! 

 Abyssinia: Gageros, 3500-5000 ft., Schimper^ 128! Tacazze River, Schimper, 1856! 

 Somalil.nul : Ogaden, Rolecchi, 241! 



Mozamb. Dist. Gerinan East Africa, Fischer, 183 ! 



24. B. Kirkii, T. Anders, in Journ. Linn. Soc. vii. 30. Branch 

 stout, glabrous, white ; branchlets densely hairy with spreading clustered 

 almost stellate hairs and with numerous gland-tipped hairs. Leaves 

 l_l by l-l in., elliptic, triangularly narrowed at both ends, densely 

 tomentose with white stellate hairs (more or less disappearing in age) and 

 with few gland-tipped hairs, also with simple long 1-celled tawny acicular 

 hairs, especially on the nerves; petiole O-tt^ ^^- long. Racemes 2-1- 

 flowered ; bracts (sterile and fertile) J-J in. long, spines apparently 

 subulate, simple, but minutely toothed, hairy. Posticous and anticous 

 calyx-segments subequal, J by J in., oblong, spine-toothed, becoming 

 scarious reticulate-veined before the fruit is ripe. Style J in. long. 

 Capsule J in. long, 4-seeded. 



Mozamb. Dlst. Portuguese East Africa : Kaurabassa Rapids, 30 miles above 

 Tete, Kirk ! 



Tliis is not the B. Kirkii of authors, who underst;ind thereby the next species, 

 B. spinulosa, Klotzsch. 



25. B. spinulosa, Klotzsch in Peters, JReise Mossamh. 208. Branches 

 with some spreading clustered hairs and many gland-tipped hairs, hardly 

 glabrescent in age. Leaves up to 3 J by IJ in., elliptic, narrowed at 

 both ends, stellately tomentose when young, becoming more or less 

 glabrate when mature, and then showing no cystoliths under a micro- 

 scope ; gland-tipped hairs few, simple straight tawny hairs many; 

 petiole y^-J in. long. Racemes 1-4-flowered (in Buchanan, 1028, stout, 



