Ceruana. | LXXII. COMPOSITE (OLIVER AND HIERN). 305 
baceous, outer often leafy. Receptacle flat, tubercled, paleaceous, 
pales coriaceous linear exceeding the ovaries. Corolla of 2 fi. nar- 
row-tubular, mouth obliquely toothed or with a rudimentary ligule ; 
of ¥ fl. campanulate narrowed into tube. Anther-base obtuse entire. 
Style-branches with lanceolate acute papillose appendices. Achenes 
compressed or obscurely angled, crowned with a minute papillose- 
setiform annulus.—Erect rigid herb. Leaves alternate toothed or 
pinnatifid. Capitula erect, cymose, yellow. 
Based upon the following species, 
1. C. pratensis, Forsk.; DC. Prodr. v. p. 488. Erect branched 
hirsute or pubescent annual, 1-2 ft. high; stem strict or ascending; 
branches terete faintly striate. Leaves obovate, rounded at apex, 
pinnatifid or coarsely toothed, hairy on both sides, more or less nar- 
rowed to a clasping sessile often auricled base, or petiolate, lower 
1}-24 in. long ; upper shorter, sometimes lyrate or subentire. Capitula 
3 in. diameter, subsessile or on peduncles varying to 2 in., terminal 
and leaf-opposed along the branches of dichotomous cymes, surrounded 
at or near the base by 2 or more bracts equalling or overtopping the 
heads, Scales of involucre herbaceous unequal ; outer rather exceed- 
ing the disk, uni-biseriate, erect, hairy, lanceolate, acute ; inner about 
equalling the disk, coriaceous, linear-oblong, acute. Palew of recep- 
tacle fimbriate-ciliate at base, slightly dilated above, exceeding ovaries. 
Ray fl. 2-3.seriate. Achenes glabrous. Pappus minute, papillose- 
setiform.—(. rotundifolia, Cass. Dict. xli. p. 123; C. senegalensis, DC. 
le. ; Buphthalmum pratense, Vahl Symb. i. p. 75. 
Upper Guinea. Senegambia, Perrottet! 423; Niger, Barter! 
Mile Land. Chartoom, Blue Nile, Upper Nubia, Dr. Kotschy! Dr. Bromfield! 
Sennaar, Brocchi ; Cordofan ex Aschers. & Schweinf. Enum. p. 284. 
Oceurs also in Egypt. 
Vy. BRACHYCOME, Cass.; Benth. et Hook. f. Gen. Pl. ii. p. 264. 
Capitula heterogamons radiate ; ray-fl. 1-seriate, disk-fl. oo herma- 
Phrodite tubular.  Involucre broadly campanulate or patelliform, 
Scales subbiseriate. Receptacle conical naked. Corolla of ray-fl. 
ligulate, white or purplish, spreading or recurved in the following 
species, much exceeding the involucre. Anther-base obtuse entire. 
Style-branches with shortly ovate or deltoid appendices. Achenes 
slightly compressed ; pappus 0 (or short paleaceous).—Erect or as- 
cending herbs with single-headed scapes, or branching. Leaves alter- 
Nate, radical or cauline (entire) toothed or pinnatifid. Capitula 
usually small or of medium size, pedunculate. 
A considerable genus, chiefly Australasian. 
1. B. mossambicensis, 0. § H. Decumbent or ascending 
herb, 3-1 ft. high, branching from the base, more or less hirsute with 
“preading hairs. Leaves oblong or oblanceolate, pinnatifid with oblong 
or lanceolate lobes or coarsely toothed, acute or obtusely pointed, 
More or less attenuate to a clasping base, lower from 1}-3 in. long, 
Petiolate, upper shorter. Capitula hemispherical, many-flowered, 
VOL. In, x 
