398 LXXXV. ASCLEPIADEZ (BROWN). [ Cynanchum. 
petiole 6-8 lin. long; blade 3-1 in. long, about 2 lin. broad at the 
middle and 34—4 lin. broad at the base, hastate; front lobe narrowly 
oblong, obtuse; basal lobes shortly deltoid, obtusely rounded, glabrous 
on both sides; midrib sparsely puberulous beneath. Umbels sessile, 
lateral, 5-6-flowered; pedicels 24-4 lin. long, puberulous. Sepals 
3-1} lin. long, ovate or lanceolate, acute, puberulous. Corolla rotate, 
5-lobed almost to the base; lobes 2 lin, long, ? lin. broad, lanceolate, 
obtuse, glabrous except for a few minute hairs on the back, margins 
more or less revolute. Corona arising at the base of the staminal- 
column, tubular, 10-toothed ; tube % lin. long, plicate ; primary teeth 
5, thick, clavate, } lin. long, channelled down their face, alternating 
with 5 shorter thick recurving teeth; inside the tube are 5 pairs of 
parallel keel-like folds decurrent from the longer teeth. Staminal- 
column sessile within the corona, equalling the coronal-tube ; anther- 
appendages subquadrate, erect, with spreading tips. Apical part of the 
style produced into a beak 2 lin. long, very slightly tapering, minutely 
bilobulate at the top, exserted much beyond the anther-appendages and 
exceeding the corona.—K, Schum. in Ann. Istit. Bot. Roma, vii. 38. 
Nile Land. Somaliland, Boobi, James & Thrupp ! 
12. C. validum, V. Z. Br. Stem erect, branching, moderately 
stout, glabrous. Leaves spreading ; petiole 4-24 in. long; blade 14-3 in. 
long, 1-24 in. broad, very broadly ovate, acute, or very shortly cuspidate- 
acute, cordate or subcordate at the base, with a shallow broad and open 
sinus, both sides glabrous. Racemes lateral or sublateral; peduncles 
3 in. or more long, glabrous or nearly so; bracts minute; pedicels 
2-21 lin. long, minutely puberulous on one side. Sepals }-1 lin. long, 
ovate-lanceolate or lanceolate-oblong, subobtuse, glabrous. Corolla 
5-lobed nearly to. the base; lobes 2 lin. long, oblong-lanceolate, obtuse, 
yellow, with a purple base. Corona 1} lin. long, tubular for 1 lin, of its 
length, then equally 10-toothed ; tube plicate; teeth deltoid-lanceolate, 
acute, entire, or the alternate more or less deeply bifid. Staminal-column 
1 lin. long, with the stipitate part 2 lin. long. Pollen-carriers broad, 
flattened, shield-shaped, incumbent on the sloping angles of the trun- 
cate apical part of the style.—Schizostephanus alatus, Hochst. ex K. 
Schum. in Engl. Jahrb. xvii. 139, t. 6, figs. N-Q, in Engl. Pa. Ost-Afr. 
€. 324, and in Engl. & Prantl, PAlanzenfam. iv. ii. 254. 
Wile Land. Eritrea: near Acrour, 6000 ft., Schweinfurth 5 Riva, 1688! 
Abyssinia: Jelajeranne district, on mountains near Mai Mezano, Schimper, 1687! 
Mozamb. Dist. (German East Africa: without precise locality, Fischer, 391. 
13. C. somaliense, V. Z. Br. Stem puberulous. Leaves 
ascending or spreading; petiole 11-2 in. long; blade 14-3 ia. long; 
1j-2 3 in. broad, broadly cordate-ovate, very obtuse or retuse, minutely 
apiculate, with a broad open and shallow basal sinus, with few 
minute hairs scattered along the veins and on the surface on both sides, 
minutely ciliate. Racemes shorter than the leaves ; peduncles 3-1} in. 
long, puberulous ; flowers solitary or in pairs, rather distant ; bracts 
minute; pedicels 1-14 lin. long, puberulous. Sepals 1-1} lin. long, 
