398 i.xxxv. ASCLEPiADE^ (brown). [Cynanchum. 



petiole 0-8 lin. long ; blade J-1 in. long, about 2 lin. broad at the 

 middle and :U-J: 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-G-flowered; pedicels '2\-\ lin. long, puberulous. Sepals 

 J-li lin. long, ovate or lanceolate, acute, puberulous. Corolla rotate, 

 5-lobed almost to the base; lobes 2 lin. long, J 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 f lin, long, plicate ; primary teeth 

 5, thick, clavate, J 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 J 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, 88. 

 10*116 Iiand. Somaliland, Boobi, James iSf Thrupp ! 



12. Co validum, X. E. Br. Stem erect, branching, moderately 

 stout, glabrous. Leaves spreading ; petiole J-2J in. long ; blade 1^-3 in. 

 long, 1-2^ in. broad, very broadly ovate, acute, or very shortly cuspidate- 

 acute, cordate or subcordate a.t the base, with a shallow broad and open 

 sinus, both sides glabrous. Racemes lateral or sublateral ; peduncles 

 I in. or more long, glabrous or nearly so; bracts minute; pedicels 

 2-2i^ lin. long, minutely puberulous on one side. Sepals J-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 \\ 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 f 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. K-Q, in Engl. Pfl. Ost-Afr. 

 C. 324, and in Engl. & Prantl, Pflanzenfam. iv. ii. 254. 



wile Iiand. P]ritrea : near Acrour, 6000 ft., Schweinfnrfh Sf S'va, 16S8 ! 

 Abyssinia : .Jelajeraniie district, on mountains near Mai Mezano, Schimper, 1687 ! 

 XMCozamt). Slst. German East Africa : without precise locality, Fischer, 391. 



13. Co somaliense, N. E. Br. Stem puberulous. Leaves 

 ascending or spreading; petiole 1^-2 in. long; blade lJ-3 in. long, 

 1 j-2J in. broad, broadly cordate-ovate, very obtuse or retuse, minutely 

 apiculate, with a broad open and shallow basal sinus, with a few 

 minute hairs scattered along the veins and on the surface on both sides, 

 minutely ciliate. Racemes shorter than the leaves ; peduncles f-l^ in. 

 long, puberulous ; flowers solitary or in pairs, rather distant; bracts 

 minute; pedicels 1-1 J lin. long, puberulous. Sepals l-lj lin. long. 



