560 LXXXVII. GENTIANEE (BAKER AND BROWN).  [Vewrotheca. 
Flowering stems not crowned with a tuft of leaves. 
Flower-pairs shortly racemose. 
Internodes between the flower-pairs 6-10 lin. 
long; pedicels 13-6 lin. long : . 5. N. Schlechteri. 
Internodes between the flower-pairs 13-2 lin. 
long ; pedicels 3-1 lin. long . : . 6. WN. congolana. 
Flower-pairs congested into small corymb-like 
clusters . i : : ; : - 7. N. corymbosa. 
1. N. longidens, V. #. Br. Plant 4-12 in. high, much 
branched, glabrous ; branches slender, 4-angled. Leaves 2-8 lin. long,. 
4-3 lin. broad ; lower lanceolate or ovate-lanceolate, sessile or narrowed 
into a petiole ; upper graduallysmaller. Pedicels 0-3 lin. long. Calyx-- 
tube $-? lin. long, with 4 prominent and 8 rather inconspicuous ribs 5. 
lobes longer than or equalling the tube, 1-1} lin. long, lanceolate- 
subulate, tapering to a very fine arista-like point, membranous- 
margined at the base. Corolla very pale lilac; tube 14—2 lin. long ; 
lobes }-1 lin. long, 3 lin. broad, ovate, acute. Stamens slightly unequal, 
at first reaching to about the middle of the corolla-lobes, at length, by 
elongation of the filiform filaments reaching to their tips; anthers. 
4 lin. long, cordate-ovate, very obtuse, minutely apiculate, quickly 
falling off. Style ?-1 lin. long, filiform, deciduous; stigmatic-lobes. 
large, obovate, obtuse. Capsule about as long as the calyx, narrowly 
oblong. 
Upper Guinea. Lagos, Voloney / 
South Central. Congo Free State: Bangala, on the Congo, in moist sandy 
places in Manihot fields, 1000 ft., Hens, C, 103! 
Mozamb. Dist. German East Africa: Karagwe ; Bukoba, Stuhlmann, 
3984! 
2. N. leeselioides, Oliver ex Ind. Kew. i.311, Annual, 3-12 in. high, 
simple or branched, erect. Stems slender, 4-angled ; flowering part longer 
than the flowerless part, racemose. Leaves membranous ; lower 4—? in. 
long, lanceolate or ovate-lanceolate ; upper lanceolate or linear, smaller. 
Pedicels 4-24 lin. long. Calyx 2-24 lin. long, conspicuously and 
equally 8-ribbed; lobes much shorter than the tube, elongate-deltoid, 
very acute, rigid. Corolla-tube 24-3} lin. long ; lobes about # lin. long, 
ovate, pale blue. Stamens slightly unequal, about reathing to the base 
of the corolla-lobes. Capsule much shorter than the calyx.— 
Octopleura leselioides, Spruce ex Progel in Mart. Fl. Bras. vi. i. 212, t. 
58, fig. 1; and var. compacta, Oliver in Trans. Linn. Soc. xxix. 113, 
t. 78, fig. B. 
Upper Guinea. Senegambia: inundated places by the River Casamanze 
River, Heudelot, 582! Nyayes, Sinedone, Konlaye and Koulikoro, Chevalier (ex 
Hua). Sierra Leone: in forest on the way to Lester Peak, Scott-Elliot, 3853! 
French Guinea: Konakry, Maclaud (ex Hua). Southern Nigeria: Onitsa, Barter, 
1761! Fernando Po and vicinity, Milne ! 
Wile Land. Madi: in swamps, Speke & Grant! 
Lower Guinea. French Congo: Brazzaville, moist sands of Mpila, Brazza, 
121, Thollon, 123, 4058, Dybowski; Niounvoux, Lecomte, 108; Gaboon, 
Duparquet (all ex Hua). 
