32 XCVIII. ACANTHACE (BURKILL). [ Zygrophila. 
Fl. Abyss. ii. 146. A. macrantha, Hochst. ex A. Rich. Tent. Fl. Abyss. 
li. 146. 
Upper Guinea. Senegambia, Heudelot, 180! Gambia, Botela! Brown-Lester f 
Gold Coast : Cape Coast Castle, Vogel! Keating! Accra, Don! and without precise 
locality, Thonning (ex Schumacher). Lagos: Abeokuta, Howland! Ogun River, 
Millen, 72! and without precise locality, Barter, 20164! Niger Territory : Nupe, 
Barter, 773! 
Nile Land. Galabat: Matamma, Schweinfurth, 82! Abyssinia: Tigre; near 
Adowa, Quartin-Dillon & Petit, 4! 300! Mount Sholoda, Schimper, 343! near Axum, 
Schimper, 15211! Hamedo, 4600 ft., Schimper, 557! Mai Terkellem, 6000 ft., Schimper, 
557! between Keren and Gondar, Steudner, 1498 (ex Engler). Upper Senaar: 
Fazokl, Kotschy, 496! Fashoda, on the White Nile, Schweinfurth, 1097! Kordofan : 
Mount Arasch-Cool, margins of muddy places, Kotschy, 114! between Obeid and 
Malbes, Pfund, 428! and without precise locality, Kotschy, 49! Somaliland : Coromma, 
in damp shady places, Riva, 625 (ex Lindau). British East Africa: Bongoland; by 
the River Sabbi, Schweinfurth, 2619! Madi, Speke d& Grant! Unyoro, Speke & 
Grant, 582! Giriama Mountains, near Mombasa, Gregory ! 
Lower Guinea. Angola: Gambos, Johnston! Huilla ; Humpata, Johnston! 
German South-west Africa : Amboland ; Olukonda, Schinz, 9 ! 
Mozamb. Dist. German East Africa: Kilimanjaro; below Majame, 3300 ft., 
Volkens, 1621! Unyamwezi; Mininga, Speke & Grant, 66! Portuguese East 
Africa: Mozambique, Forbes! Lower Zambesi ; Expedition Island, Kirk / between 
Shupanga and the Shire River, Stewart ! Mankokwe’s village, on the Lower Shire, 
Kirk! British Central Africa : Nyasaland, between Kondowe and Karonga, Whyte! 
Fort Hill, Whyte! and without precise locality, Buchanan, 805! 1113! 
Widely distributed also in India and Ceylon. 
2. H. barbata, 7. Anders. in Journ. Linn. Soc. vii. 22. A small 
plant much branched from the root; branches spreading, pilose when 
young. Leaves linear-lanceolate, sessile, acute above, tapering very 
gradually to the base, somewhat hispid, attaining 2 in. in length and 
2 lin. in breadth. Flowers in dense axillary whorls; bracts linear- 
lanceolate, not exceeding the calyces, hispid. Calyx-segments linear, 
hispid, 2 lin. long, the posterior a little longer than the others. Corolla- 
tube about 1 lin. long; upper lip beaked, hairy, the beak being. 
fringed with long hairs, lower 3-fid. Stamens of 2 lengths; filaments 
not broadened. Capsule 2-3 lin. long, about 8-seeded.—Physichilus 
barbatus, Nees in DC. Prod. xi. 82. . 
Upper Guinea. Senegambia, by the River Casamanze, Heudelot, 573! Sierra 
Leone: Samu; near Ruka, on a sandy plateau, Scott-Elliot, 4329! between forty-five 
and seventy miles north-east of Sierra Leone, Garrett ! 
3. H. lutea, 7. Anders. in Journ. Linn. Soc. vii. 22. Erect plant 
with long internodes and few leaves; stems hispid. Leaves linear- 
lanceolate, sessile, hispid on both surfaces, obtuse above, 34 in. long 
and 4 lin. broad. Flowers in few, densely aggregated whorls; bracts 
linear-lanceolate or linear, hispid, about 5 lin. long. Calyx-segments 
linear, hispid, 3-4 lin. long; posterior slightly exceeding the others. 
Corolla bright yellow, small. 
Upper Guinea. Lower Niger: Onitsa, Barter, 1163 ! 
A species distinct in its round whorls of flowers, white with the hairs of the calyx 
and bracts, but described from rather imperfect material. 
4. H. uliginosa, S. Moore in Journ. Bot. 1880, 197. Stem erect, 
unbranched, with few leaves, somewhat hispid below, becoming more s0 
