Landolphia. | LXXXIV. APOCYNACEE (STAPF). 37 
shortly and rather abruptly acuminate, subacute or rather obtuse at the 
base, 3-4 in. long, 14-1? in. broad, thinly coriaceous, glossy and dark 
above, much paler beneath; midrib flat or slightly convex above, dis- 
tinctly raised below ; Jateral nerves 8-10 on each side, oblique, very 
fine above, somewhat stouter and more distinctly raised beneath ; mar- 
ginal arches inconspicuous; veins neatly anastomosing and raised on 
both sides ; petiole 3—5 lin. long. Flowers in terminal shortly peduncled 
many-flowered rather dense fulvo-pubescent corymbs or short semi- 
globose panicles ; peduncle rather slender, }—-1 in. long; bracts ovate, 
obtuse, like the pedicels fulvo-pubescent, the latter up to 14 lin. long. 
Calyx fulvo-pubescent, #-1 lin. long ; sepals ovate, obtuse. Corolla sweet- 
scented; tube yellowish, slender, slightly widened below the middle, 
pubescent without, hairy within, 6-64 lin. long; lobes linear-oblong, 
obtuse, pure white with a yellow base, 8-9} lin. long, 24 lin. broad, 
glabrous. Anthers linear-oblong. Ovary subtruncate, glabrous except 
for a few very minute adpressed hairs in the upper part. Style and 
stigma 1} lin. long, the latter cylindric, shortly bifid. Fruit orange- 
coloured with grey patches, ovoid to globose, 2} to almost 4 in. long, 
top slightly depressed, pericarp elastic; seeds 15-20, embedded in a 
yellow watery pulp.—Radlkofer in Abh. Naturwiss. Ver. Bremen, 
vill. 396; K. Schum. in Engl. Jahrb. xv. 407; Dewévre, Caoutch. 
Afric. Monogr. Landolph. 34; Sadebeck in Jahrb. Hamburg. Wissensch. 
Anstalt. xiv. (1896), 3. Beih. 121; Moller in Tropenpf. i. (1897) 187; 
Jumelle, Pl. 4 Caoutch. et 4 Gutta, 50; Warb. in Tropenpfl. iii, (1899) 
313, Kautschukpfl. 119-121; Morris in Journ. Soc. Arts, xlvi. 775; 
Hua in Bull. Mus. Hist. Nat. Paris v. (1899) 183-185, vi. (1900) 311, 
not iii, (1897) 325; Mikosch in Wiesner, Rohstoffe, ed. 2, i. 362; 
Henriques, Kautschuk, Tab. iii.; Hua & Chevalier in Journ. de Bot. 
xv. (1901), 79, fig. 4. B. LZ. florida, var. senegalensis, Hallier f. Kaut- 
schuklianen in Jahrb. Hamburg. Wissensch. Anstalt. xvii. (1899) 94. 
Landolphia sp., Bentham in Hook. Niger FI. 445. L. comorensis, and 
var, florida, Dewevre, l.c. 16, 18 (partly). Vahea senegalensis, A. DC. 
Prod. viii. 328 ; Benth. in Hook. Niger Fi. 445; Collins, Caoutch. Rep. 
26; F.v. Mueller in Wittstein, Org. Constit. Plants, 258, 268; L. Planch, 
Prod. Apocyn. 307. 
Upper Guinea. Senegambia: forests of Albreda, Leprieur ; le aux Chiens 
and Casamanze, Leprieur ; Kombo (Gombo ?), Heudelot, 29! Gambia, Skues ! com- 
mon near Kan and Kousann by the Gambia, Perrotet, 792! Senegal, Roger! 
Bellamy, 309, 459, 474, 522. Portuguese Guinea: Bissio, Traun. French Guinea: 
Marigot de Coliwini, between Niagasola and Kita, Paroisse, 35; banks of the 
Niger, near Kouroussa (Kurusa), Paroisse, 19 ; Bakhoy Valley, Lecard, 74! Futa 
Jallon; near Kourouti, Paroisse, 13 partly ; Dandoum, Noury. 
Var. glabriflora, Hua, l.c. v. 185, Intlorescence perfectly glabrous. 
Upper Guinea. Gambia: by the Gambia River, Whitfield! French Guinea z 
banks of the River Niger, near Kouroussa (Kurusa), Paroisse, 13 partly ; Sikoto, 
between Kita and Niagasola, Paroisse, 32, 33; banks of the Bakhoy River, near 
Tokoto, Paroisse, 38; near Farana on the Niger, Scott-Elliot, 5345! 
Hallier also refers to L. senegalensis, a plant from Accra, on the Gold Coast, sent 
to Traun in 1892, with the habit of that species, but with a densely, though minutely, 
hairy ovary. The species is certainly closely allied to L. florida ; but it 3s smaller 
