57^ 22b. COMPOSITAE 



Involucral bracts in i — 2 rows, rarely {Senecio) indistinctly arranged in 

 3 or more rows, but then style-branches with a crown of longer hairs. 314 



314. Style-branches with an awl-shaped hairy appendage, without a distinct 



crown of longer hairs. Ray-flowers wanting. Herbs. (See 279.) 



Gynura Cass. 



Style-branches truncate with a terminal tuft of hairs or with a hairy 



appendage overtopping a crown of longer hairs 315 



315. Fruits, at least the outer, distinctly compressed. Style-branches truncate, 



ending in a tuft of hairs. Herbs or undershrubs. Heads in corymbs. 



(See 227.) Cineraria L. 



Fruits not distinctly compressed, 5 — lo-ribbed. — Species 500. Some 

 of them are used as vegetables, as food for birds, or as ornamental or 

 medicinal plants. (Including Brachyrhynchos Less., Cacalia L. partly, 

 Emilia Cass., Kleinia DC, Lachanodes DC, Mesogramma DC, Notonia 

 DC, and Pladaroxylon Hook, fil.) Senecio L. 



316. (301.) Involucral bracts, at least the inner, scarious at the tip and the 



edges. Pappus of minute scales, crown- or ear-shaped or wanting. 

 Style-branches of the hermaphrodite flowers truncate, with a terminal 



crown of hairs . 317 



Involucral bracts rarely scarious at the edges, and then pappus of rather 

 large scales or bristles, or style-branches of the hermaphrodite flowers 

 ending in a hairy appendage 356 



317. Anthers arrow-shaped ; halves pointed at the base. Involucral bracts 



in 1^2 rows. Receptacle glabrous. Female marginal flowers in one 

 row, with a strap-shaped corolla. Inner fruits flattened, outer 3-edged. 

 Pappus none. Herbs or undershrubs. Heads long-stalked. (See 124.) 



Dimorphotheca Moench 



Anthers not arrow-shaped ; halves blunt or rounded at the base. [Tribe 



ANTHEMIDEAE.] 318 



318. Receptacle with scales between the flowers. [Subtribe anthemid- 



INAE.] 319 



Receptacle glabrous or hairy, without scales between the flowers. [Sub- 

 tribe CHRYSANTHEMINAE.] 33^ 



319. Receptacle-scales hairy in the middle, glabrous at the base and apex. 



Ray-flowers yellow. Fruits cyHndrical, without- a pappus. Herbs. 

 Leaves pinnately divided. Heads seated between 2 — 6 (usually 5) 

 branches of the much-branched cyme. — Species i. North-west Africa. 



Used as an ornamental plant Cladanthus Cass. 



Receptacle-scales hairy throughout their whole length or at the top only, 

 or glabrous. Heads solitary or in glomerules, corymbs, or panicles. 320 



320. Corolla-tube with a basal appendage adnate to the ovary. Corolla per- 



sistent. Ray-flowers none. Pappus wanting. Herbs. Leaves entire. 

 Heads in corymbs. — Species i. North Africa. Used medicinally. 



Diotis Desf. 



