Strophanthus. | LXXXIV. APOCYNACE (STAPF). 171 
2, S. Tholloni, Franch. in Journ. de Bot. vii. 299. A glabrous 
climbing shrub, up to 25 ft. high; branches dark brown, almost desti- 
tute of lenticels. Leaves oblong-lanceolate to elliptic-oblong, acute or 
acuminate at both ends, 3-5 in. long, 14-23 in. broad, coriaceous : 
secondary nerves 5-7 on each side, faint; veins inconspicuous ; petiole 
2-3 lin. long. Cymes terminal, subsessile, 4—1-flowered ; bracts ovate, 
acute, 1 lin. long; pedicels 2—3 lia. long. Calyx 6-8 lin. long; sepals 
oblong, acute, much imbricate, scarious. Corolla large, white and pink, 
changing to orange or crimson; tube funnel-shaped, 12-14 lin. long; 
lobes ovate, acute or subacuminate, 9—12 lin. long; throat-scales subu- 
late from a broader base, 9-12 lin. long, with scattered hairs. Anthers 
about 7 lin. long, passing into a more or less exserted awn, about 5 lin. 
long. Ovary glabrous.—Franch. in Nouv. Arch. Mus. Paris, 3 sér. v. 
257, t. viii.; L. Planch. Prod. Apocyn. 66; K. Schum. in Engl. Jahrb. 
Xxili. 230. 
Upper Guinea. Cameroons: Rio del Rey, Johnston, 44! Cameroon River, 
Mann,'743! 2222! Lolodorf, Staudt, 14! Bipinde, Zenker, 1148! 2300 ! Batanga, 
Bates, 343! 
Lower Guinea. Gaboon: Ogowe District, Thollon, 1762. 
A part of the drug called S. glabre du Gabon is possibly derived from this 
ee See also Franchet in Journ. de Bot. viii. 203, and Payrau, Strophanthus, 
15, 161. 
3. S. Ledienii, Stein in Gartenflora, t. 1241. A shrub; branches 
softly and sparingly pubescent when young, brown, leafless when in 
flower. Leaves obovate, abruptly cuspidate, cuneate at the base, 4—6 in. 
long, 14-2 in. broad, softly and finely pubescent on both sides. Cymes 
sessile, terminal, 3—7-flowered ; peduncle 5-10 lin. long ; bracts broadly 
linear, acuminate, 4—5 lin. long, 1 lin. broad; pedicels 5-10 lin. long. 
Calyx foliaceous, 7 lin. long; sepals linear from an elliptic base, acute. 
Corolla-tube pale yellow, 10 lin. long; lobes deep yellow, ovate, 6—8 in. 
long including the tails which are glabrous above, delicately pubescent 
below ; throat-scales purple, 24-31 lin. long. Follicles 10-14 in. long, 
slender, brown, mottled with yellow, coriaceous. Seeds oblong, .brown, 
shortly and finely tomentose ; awn 24 in. long, naked to the middle, 
airs about 10 lin, long.—Christy, New Comm. Plants and Drugs, 
1887, 28; Pax in Engl. Jahrb. xv. 368, 383; Franch. in Nouv. Arch. 
Mus. Paris, 3 sér. v. 270; K. Schum. in Engl. & Prantl, Pflanzenfam. 
WW. u. 182; Durand & Schinz, Etudes Fl. Congo, i. 191 ; Gilg in Engl. 
Jahrb, xxxii, 155. 
Lower Guinea. Lower Congo: Vivi, on rocks, Ledien. 
4. S, holosericeus, K. Schum. d: Gilg in Engl. Jahrb. xxxii. 157. 
An erect, divaricate shrub ; branches densely brownish-tomentose when 
young. Young leaves oblong, long and acutely acuminate, gradually 
narrowed at the base, 1 in. long, 7 lin. broad, densely tomentose on 
th sides, grey below; petiole 1—1} lin. long. Cymes terminal, 2- 
Owered ; pedicels densely tomentose, 5-6 lin. long. Calyx densely 
tomentose, 6-63 lin. long ; sepals equal, lanceolate, or linear-lanceolate, 
acute. Corolla-tube densely and finely tomentose without, infra- 
