102 xcviii. ACANTHACE.E (clarke). [Blepkaris. 



long, blue. Ovary with a large obversely-mitriform horny cap below 

 the 2 glands on the posticous style- base. 



R'? Ziower Guinea. Angola : Humbe, on the River Cunene, and Ganibos, Newton ! 

 and without precise localit}', Johnston ! 

 Also in South Africa. 



21. B. edulis, Pers. Syn. ii. 180. Grey pubescent or nearly 

 glabrate. Stem short, rigid, branched. Leaves in fours at the sterile 

 nodes ; upper pair 2 by J in., oblong or narrow-elliptic, sessile, spinous- 

 niargined ; lower pair smaller but similar. Inflorescences strobilate, up 

 to 4 in. long, sometimes short; bracts 1-1 J in. long, ovate, acuminate, 

 recurved, spinous, puberulous, more or less hairy on the nerves without 

 when young ; bracteoles linear, \-\ in. long. Posticous calyx-segment 

 J-§ in. long, broadly ovate, very hairy; 2 inmost calyx-segments 

 \-\ in. long. Corolla | in. long or rather more, blue. Capsule \ in. 

 long or rather more, 2-seeded. — T. Anders, in Journ. Linn. Soc. vii. 3G ; 

 Zarb in Cat. Spec. Bot. Pfund, o2 ; Boiss. Fl. Orient, iv. 520 : 

 Oliv. in Trans. Linn. Soc. xxix. 128 ; Lindau in Engl. & Prantl, 

 Pflanzenfam. iv. 3 B. 318, fig. 126, A; in Engl. Pfl. Ost-Afr. C. 

 309, and in Ann. Istit. Bot. Boma vi. 70. Ruellia ciliaris, Linn. 

 Mant. 89? E. persica, Burm. Fl. Ind. 135, t. 42, fig. 1. Acanthus 

 edulis, Forsk. Fl. yEgypt.-Arab. 114. A. Delilii, Spreng. Syst. ii. 819. 



A. tetragonus, R. Br. in Salt, Abyss. Append. Ixv. Acanthodium 

 spicatum, Delile, Fl. ^^gypt.97, t. 33, fig. 2 ; Nees in DC. Prod. xi. 274; 

 Solms-Laub. in Schweinf. Beitr. Fl. Aethiop. 102, 242 ; Franch. Sert. 

 Somal. 53; Beck in PauHt. Harar. 459. 



wile Xiand. Nubia : near Suakin, Schioeinfiirth, 67 ! Coastland, 0-4000 ft., 

 Bent ! Schweinfurth, 349 ! between Koroskoand Berber, Kotschy, 341 ! Meroe (Assur), 

 Speke Sf Grant ! Dongola, Ehrenberg I Kordofan, Kotschy, 33 ! Eritrea : near Saati, 

 Schweinfurth S^ Riva, 491 ! Massowa, Hildehrandt, 723a ! Steudner 1 Keren, 

 Steudner, 1525 ! Habab, 7000 ft., Hildehrandt, 458 ! Abyssinia : Valley of Dallul, 

 Roth, 479 ! Airuri, Stecker, 31 ! and without precise locality. Salt I Schimper, 163 ! 

 Somaliland : iiixravm (Bvava.), Sildebrandt, 1^161 Daua River, i2u"a, 1460 ! Harrar, 

 Robecchi, 6 ! and without precise locality, Mrs. Lort-PhilUps ! Miss Edith Cole ! 

 British East Africa : Sabaki River, Gregory ! Ukamba, Hildehrandt, 2613 ! 



IVIozaxnb. Slat. Kilimanjaro: Marangu, 3000 ft., Volkens, 556! 



The synonym Ruellia ciliaris, Linn., is doubtful ; Linnaus' description is 

 too short. 



22. B. serrulata, Ficalho d- Hiern in Trans. Linn. Soc. ser. 2, Bot. 

 ii. 24. Leaves very spinous, with forward -pointing teeth. Spikes 

 3-10-flowered, smaller and looser than in B. edidis ; bracts \ in. long, 

 densely short-hairy, nerves hirsute. Corolla J in. long, otherwise as 



B. edulis. — B. procumbens, T. Anders, in Journ. Linn. Soc. vii. 35 partly. 

 Acanthodium serrulaturn^ Nees in DC. Prod. xi. 275. A. diversisjnnuniy 

 var. a, only Nees in DC. Prod. xi. 275. 



XiO\7er Guinea. Angola : Chella Mountains, Johnston ! Amboella ; Kuando 

 River, at Ninda, Serpa Pinto. 



Mozamb. Blst. British Central Africa : Ngamiland ; Kwebe, Luyard, 85 ! 

 Also in South Africa. 



