16 xcviii. ACANTHACEiE (burkill). \Thunhergia. 



20. T. alata, Boj. ex Shns, Bot. Mag. t. 2591. Stem moderately 

 thin, climbing, pilose. Leaves ovate, sagittate or hastate, shortly- 

 acuminate, pubescent below, and to a less extent above, 2 J in. long, 

 1-1 J in. broad, entire or with a few small teeth on the margin ; petiole 

 l-l| in. long, winged in the type. Flowers on peduncles 2 in. long; 

 bracteoles ovate, subcordate below, obtuse, sometimes apiculate, pubes- 

 cent on both sides, keeled, at flowering 8-12 lin. long. Calyx-teeth 

 narrow, hairy. Corolla-tube f-lj lin. long, with scattered white hairs 

 in the deep claret-coloured throat ; lobes 6-8 lin. long, usually yellow, 

 more rarely orange, buff or white ; occasionally the throat is of the 

 same colour as the lobes of the corolla. Anthers obtuse above, those of 

 the upper pair each with one spur at the base ; those of the lower with 

 two spurs ; lobes fringed with moniliform hairs. Stigma 2-lipped, the 

 upper lip narrower and exceeding the lower. Capsule f in. long, pubes- 

 cent. — Hook. Fl.' Exot. 177; Nees in DC. Prod. xi. 58; Lodd. Bot. 

 Cab. t. 1045; Klotzsch in Peters' Reise Mossamb. 196 ; Oliv. in Trans. 

 Linn. Soc. xxix. 124; Lindau in Engl. Pfl. Ost-Afr. C. 360; Hohnel, 

 zum Budolf-See u. Stefanie-See, Sonderabdr. 6 ; Engl, in Gotzen, 

 Durch Afrikas, Sep.-abdr. 4 ; Henriques in Bolet. Soc. Brot. x. 145 ; 

 Dewevre in Comptes-rendus Soc. Bot. Belg. xxxiii. 104 ; T, aurantiaca, 

 Paxt. Mag. Bot. vi. 269 ; T. albiflora, Gord. in Gard. Chron. 1845, 169 ; 

 Bot. Mag. t. 3512 ; Paxt. Mag. Bot. iii. 23 ; T. Doddsii, Hort. ex Paxt. 

 Mag. Bot. XV. 221 ; Fl. Serres, iv. 415; T. Fryeri, Hort. ex Yilmorin, 

 Fl. PI. Terre, ed. 1, 876 ; T. Backerii, Hort. ex Vilmorin, Fl. PI. Terre, 

 ed. 2, 919; T. reticulata, A. Rich. Tent. Fl. Abyss, ii. 139 (partly); 

 T. manganjensis, T. Anders, ex Lindau in Engl. Jahrb. xvii. 92 ; Endo- 

 melas alata, Rafin. Fl. Tellur. iv. 67. 



Upper Guinea, Sierra Leone : Regent, Scott-EUiot, 4141a ! near Freetown, 

 Wtlwitsch, 5207 1 Johnston, 59 ! 



Nile Iiand. Abyssinia : Shire District, Quartin- Dillon & Petit, 176 ! British 

 East Africa : Niamniam ; at Nabambisso Eiver, Schiceinfurth, 2985 I Unyoro, Spelce 

 d Grant, 534 1 Ukamba ; Kitui, Hildehrandt, 2734 I Taveta, 2500 ft., Hhhnel. 



liower Guinea. Island of St. Thomas : Rio da Ouro Roca, 800 ft., liJoller (ex 

 Henriques). German South-west Africa : Damaraland (ex Lindau). 



Mozamb. Dlst. Zanzibar, Bojer! Kavala Island in Lake Tanganyika, Carson, 

 31 ! German East Africa : Kirunga, 6500 ft., Gotzen, 53, 61 (ex Engler). Portuguese 

 East Africa : Mozambique, Kirk! Quilimane, Kirk! British Central Africa: Nyasa- 

 land ; Nyika Plateau, 6000-7000 ft., Whyte, 123! Masuka Plateau, 6500-7000 ft., 

 Whyte! ISIyika mountains, 4000-6000 ft., Wliyte! Fort Hill, Wkyte! Zomba, Whyte! 

 Manganja JHills, 3000 ft., Kirk! between Shibisa (Chikwawa) and Tshinmuze, 2000- 

 4000 ft., Kirk ! and without precise locality, Buchanan, 1093 ! Ngamiland ; Kwebe, 

 Lugard, 114 ! 



Var. vixalata, Burkill. Leaves, stems and bracteoles softly pubescent. Petioles not 

 or scarcely winged. — T.fuscata, T. Anders, ex Lindau in Engl. Jahrb. xvii, Beibl. 41, 

 40 ; Oliv.'in Tians. Linn. Soc. ser. 2, ii. 345 ; Engl. Hochgebirgsfl. Trop. Afr. 386. 

 T. angidata, R. Br. (not of Hilsenb. & Boj.) in Salt, Abyss. App. 65 (name only) ; T. 

 saltiana, Steud. Nom. ed. 2, ii. 683 (name only) ; T. alata, S. Moore in Trans. Linn. 

 Soc. ser. 2, iv. 30. 



Nile Iiand. Abyssinia, Salt ! British East Africa : Ruwenzori, Scott-Elliot, 

 7795 ! Kikuyu ; Kapte Plateau, 5000-6000 ft., Thomson ! 



Mozamb. Dlst. German East Africa : Kilimanjaro ; Marangu, 3300-8000 (?) ft., 

 Meyer, 52, 103 ex Engler), Vollcens, 436! Kilema, 3800-4200 ft., Kersten (ex 



