394 LXXIII. COMPOSITE (OLIVER AND HIERN). [Bidms. 



segments or simply trifid, ovate in ontline, upper ones mostly 3-6 in. 

 long including the petiole of ^— | in. ; lobes oval or the terminal one 

 lanceolate, incise-dentate, mostly obtuse with an apiculate callus afc 

 the apex, usually scattered with blackish dots. Capitula f-^ in. dia- 

 meter in flower, lengthening in fruit and widening upwards, on pe- 

 duncles or pedicels of 1^6 in,, in a lax open corymbose cyme. Outer 

 involucral bracts linear-spathulate, obtuse, pilose, ^-^ in. long, exceed- 

 ing the inner oblong coloured ones. Ligule of the ray -florets yellow, 

 ■| in. long. Achenes much compressed, striate, somewhat narrowed at 

 the truncate apex, ^-^ in. long, with 2 or according to Schultz some- 

 times 3 suberect or spreading re trorsely barbed rigid setae, often tuber- 

 cnlate. — B. Buchingeri, Schultz Bip. ex Schweinf. Beitr. Fl. ^thiop. 

 p. 142. 



Wile Ziand. Abyssinia, Sehimper / alt. 5-6000 ft, ; Suakin to Hop Tamanib, 

 Ked Sea, Lord! 



Mozamb. Dtotr. Rios de Sena, Peters! Liipata, Kirk 



5. B. lineariloba, OUv. in Trans. Linn. Soc. Lond. xxix. p. 09, 

 t. 60. An erect glabrous herb, 1^-2^ ft. high, simple up to the 

 branches of the inflorescence. Stem sulcate. Leaves bipinnatipartite, 

 1J-4J in. long, segments narrowly linear, some 1 in. long ; petioles 

 short, dilated, amplexicaul, somewhat ciliate. Capitula exclusive of 

 the rays nearly 1 in. diameter, inclusive 2 in., solitary on terminal 

 peduncle 4J- in, long and on shorter pedicels, forming small cymes ter- 

 minating the lateral branches. Outer involucral bracts about 10, very 

 narrowly lanceolate, attenuate, more or less hispid-ciliate, lax, | in. 

 long, rather longer than the broader coloured alternating glabrous 

 inner ones. Ligule of the ray-florets elliptic-obovate, yellow. Ovary 

 compressed, glabrous, indistinctly striate, truncate at apex, tipped 

 with 2 erect re trorsely barbed setse. Fruit not seen. — Verhesina, n. 1, 

 T. Thorns, in Speke Joum., App. p. 638. 



irae Xiand. 4° 18' S, Lat,, at Mininga, by cornfields, S'peke and Grant! 



Bidens ladniata, Schultz Bip. in Schweinf, et Asehers. Enum. p. 283, from Sennaar, 

 name only, is unknown to us. 



70. CHRYSANTHELLUM, Rich. ; Benth. et Hook. f. Gen. 

 Pi. ii. p. 389. 



Capitula heterogamous radiate ; ray- florets ligulate usually small $ . 

 Involucre campanulate or hemispherical, bracts 1-2-seriate, subequal, 

 ovate or ovate-lanceolate, somewhat membranous. Scales of receptacle 

 oblong or linear obtuse plane persistent. Anther-base 2-dentate. 

 Style -branches subulate and papillose or setulose nearly from the base. 

 Achenes oblong compressed, with a thick paler margin ; pappus 0, 

 or reduced to a minute epigynous disk. — Herbs, with alternate multifid 

 leaves and small loosely cymose pedunculate capitula. 



A wide-spreiid genus of two or three species. 



