546 LXXXVII. GENTIANEZ (BAKER AND BROWN). [ Laacum. 
Leaves 3-21 in. long; calyx lobed to more than half- 
way down : - é : : 1. E.quinguenervium. 
Leaves 1-3 in. long; calyx lobed to nearly half-way 
4 2 £5 M J 4 : 
down i : = : 2 : H . 2. E. zombensis. 
1. E. quinquenervium, Griseb. in DC. Prod. ix. 46. A slender 
erect annual 3-2 ft. high, glabrous in all its parts. Stems simple or 
branched. Leaves linear, lanceolate or ovate, acute, the lower some- 
times elliptic and obtuse, 3—5-nerved, narrowed into a short petiole at 
the base, 3-2} in. long. Flowers in terminal dichotomous or tricho- 
tomous cymes; pedicels }-} in. long. Sepals ovate, 13-2 lin. long, 
very broadly winged on the keel. Corolla-tube campanulate, } in. 
long; segments oblong, shorter than the tube. Anthers small, oblong. 
Style as long as the ovary. Capsule pallid, globose, 14—2 lin. in diam. 
Upper Guinea. Lagos: near Lagos, Rowland! Southern Nigeria: Aboh, 
Barter, 140! Onitsa, Barter, 1750! 
Nile Land. British East Africa : Nzaoi, Iveti Mountains, Gregory. 
Mozamb. Dist. Zanzibar, Kirk! Hildebrandt, 1131! German East Africa: 
Zanguebar, Kirk, 7! Portuguese East Africa: Quilimane, Scott! Zambesi 
Delta; mouth of the west Luabo River, Kirk! Lower Zambesi ; Shupanga, Kirk ! 
Also in the Mascarene Islands. 
The flowers are stated to be pale pink by Kirk, and violet by Barter, and by 
Hildebrandt on the label with a specimen from Madagascar ; in the dried state they 
are dull yellow. 
2. E. zombensis, V. #. Br. A slender erect annual 1-6 in. 
high, 1—5-flowered, glabrous. Stem simple or once or twice branched, 
4-angled. Leaves in 3-4 distant pairs; lowest pair minute, the others 
i-} in. long, 4-3 in. broad, very broadly ovate, obtuse or very minutely 
apiculate, rounded at the base. Pedicels of terminal flowers }—4 lin. 
long, of lower flowers sometimes up to 1 in. long, very slender. Calyx 
very broadly 5-winged, subglobose in outline, 5-lobed to nearly half- 
way down ; lobes broadly ovate, acutely cuspidate or abruptly acuminate ; 
wings reticulately veined. Corolla-tube 24-3} lin. long; lobes 5, 
oblong, obtuse, minutely apiculate, 2-2} lin. long, 14-14 lin. broad. 
Stamens 5, exserted ; filaments }~1 lin. long, filiform, inserted in the 
throat of the corolla-tube ; anthers ? lin. long, oblong, obtuse. 
Mozamb. Dist. British Central Africa: Nyasaland; on a wet rock on the 
top of Mount Zomba, Buchanan, 449! Zomba, Sharpe, 192! 
2. SEBAA, R. Br.; Benth. et Hook. f. Gen. Pl. ii. 804. 
Calyx divided almost or quite to the base into 4—5 or rarely 6 
keeled or winged segments. Corolla-tube as long as or shorter than 
the calyx; segments 4—5, oblong, spreading, contorted in xstivation. 
Stamens 4—5, exserted, inserted at the sinuses of the corolla; filaments 
exserted; anthers small, apiculate or with or without a gland at the 
apex and sometimes also 2 at the base. Ovary globose, 2-celled ; 
placentas axile; ovules many in a cell; style filiform, often with a 
tubercular thickening; stigma oblong, ovoid, capitate or subsimple. 
Capsule globose or ovoid, membranous, septicidally 2-valved. Seeds many, 
