422 LXXXV. ASCLEPIADEZ (BROWN). | Marsdenia. 
Seeds 5 lin. long, 34 lin. broad, ovate, concavc-convex, brown, with a 
yellow-brown marginal wing, glabrous.—Dregea rubicunda, K. Schum. 
in Engl. Jahrb. xvii. 147; in Engl. Pfl. Ost-Afr. C. 326, t. 39, figs. 
A—H ; in Engl. & Prantl, Pflanzenfam. iv. ii. 293, 294, fig. 90, A; and 
in Ann. Istit. Bot. Roma, vii. 43. 
Wile Land. Somaliland: Ogaden; from Sassaber to Pozzi di Carbadani, 
Riva, 972 (285), Robecchi-Bricchetti, 122, 125, 129, 331, and by the River Dana 
(Dana ?) Riva, 473 (all ex Schumann). Meshra, on the Gazelle River, Schwein- 
Surth, 1255! Darfur, Purdy, 67! Denka: near Lao, Schweinfurth, sér. iii. 33 (ex 
Schumann). Mombasa, Hildebrandt, 2024! and 1944 (ex Schumann). 
Mozamb. Dist. German East Africa: Usambara, Bombuera, Holst, 2195! 
Muo, Holst, 3041! Tanga, Volkens, 154! 
The follicles of this plant are very similar to those of MZ. floribunda, N. E. Br- 
(Dregea floribunda, E. Meyer). 
6. M. umbellifera, K. Schum. in Engl. Jahrb. xxviii, 460. A 
woody bush 3-6 ft. high, of compact habit ; young branches tomentose,. 
becoming glabrous. Leaves chiefly near the ends of the branches, 
thin ; petiole 2-4 lin. long, tomentose; blade somewhat rhomboid or 
sublanceolate, broadest at the middle, narrowed in a curved line to an. 
obtuse or subacute apex, cuneately tapering to an acute base, thinly 
covered with minute pubescence on both sides. Umbels sublateral at 
the upper nodes, very shortly pedunculate, 3—8-flowered; peduncle 
3-1} lin. long, tomentose ; pedicels 314 lin. long, tomentose. Sepals 
% lin. long, 3-4 lin. broad, ovate-oblong, acute, subtomentose. Corolla 
glabrous outside; tube 3-1 lin. long, cylindric-campanulate, about # lin. 
in diam., with ten tufts of deflexed hairs in a ring at the middle, and 
bearded with long deflexed hairs at the mouth; lobes 1 lin. long, } lin. 
broad, linear, obtuse, puberulous on the inner face. Coronal-lobes 
$ lin. long, erect, not quite reaching to the tips of the anther-append- 
ages ; basal half adnate, rectangular in transverse section, not winged ; 
upper half free, linear, acute, membranous. Staminal-column }$ lin. 
long ; anther-appendages lanceolate, acute, erect around the base of 
the terminal part of the style, which is produced much beyond them 
into a filiform beak 1} lin. long. 
Mozamb. Dist. German East Africa: Uhehe; by the Lukoma River (on 
the dry Steppe, 2600 ft., ex Schumann), Goetze, 478! 
7. M. Taylori, Schlechter &: Rendle in Journ. Bot. 1896, 100. 
Stem twining, ? lin. thick, glabrous; internodes 6-8 in. long. _Leaves- 
opposite, spreading, herbaceous, rather thin, glabrous ; petiole 7-9 lin. 
long ; blade 4—44 in. long, 2 in. broad, elliptic-ovate, shortly acuminate, 
broadly cuneate.at the base. Cymes from both axils, about 7-9 lin. in 
diam., rather dense, many-flowered ; peduncles 2-4 lin. long, glabrous; 
bracts }-} lin. long, suborbicular, glabrous, ciliate ; pedicels 1-1} lin. 
long, glabrous. Sepals 3 lin. long, 2 lin. broad, elliptic, obtuse, glabrous, 
minutely ciliate. Corolla urceolate, glabrous outside, densely bearded 
with white hairs at the mouth of the tube and with 5 tufts of deflexed 
hairs within ; tube 1} lin. long, about 1 lin. in diam. at the broadest 
