Blainvillba.] composites, 469 



Pappus or a ring. — Species about 11, in Asia, Africa, and Ti'op. 

 America. 



S. afticanus, Jacq. Ic. PI. Ear. i, 17, t. 176; F. B. I. w, 305 ; Collett 

 Fl. Siml. 262; Coohe Fl. Bomb, ii, 39. 



An erect annnal, 1-2 ft. high. Branches terete, striate, hispidly hairy. 

 Leaves petioled 1^-3 in. long, ovate, acute, narrowed into the petiole, re- 

 motely serrate, both surfaces appressedly hairy, 3-5-nerved. Heads 

 peduncled or sessile, ^-| in. in diam. Invol-bracts foliaceous, linear- 

 oblong, obtuse, hairy. Achenes curved, ribbed, glabrous, inclosed 

 by the boat-shaped paleae of the receptacle. 



DehTa Dun and Sub -Himalayan tracts of Eohilkhand and N. Oudh, 

 Merwara (Duthie), Buiidelkhand (Edgeworth), Distrib. W. Hima- 

 laya from Simla to Kumaon up to 5,000 ft., Punjab, Konkan, and 

 Deccan ; also in Trop. E. and W. Africa. 



26. BLAINVILLEA, Cass. ; Fl. Brit. Ind. iii, 305. 



Scabrid or villous herbs. Leaves opposite, or the upper alternate, 

 petioled. toothed. Heads small, subsessile or peduucled, terminal 

 or axillary, heterogamous, radiate or subdisciforoa, yellow. JSa?/- 

 ftowers female, 1-2-seriate, fertile; ligules small, 2-3-toothed, or 

 0. Disk'fiowers 2-sexual, fertile, tubular ; limb dilated, 5-fid. 

 Involucre broadly ovoid or subg:lobo3e ; bracts few, outer berbace- 

 ous, inner passing into the rigidly membranous concave or folded 

 scales of the small convex receptacle. Anther-bases obtuse, entire. 

 Style-arms of 2-sexual flowers narrow, flattened, with acute or 

 subobtuse appendages. Achenes truncate, of ray 3-quetrou8 or 

 dorsally compressed, of the disk 3-4-angled or laterally compressed. 

 Pappus of 2-5 pale-like scales or of unequal bristles, connate at 

 the base. Species about 10, all tropical. 



B. rbomboidea, Cass, in Diet. 8c. Nat. xxix, 493; Cooke Fl. Bomb, 

 ii, 40. B. latifolia, DC. ; F. B.I. iii, 305; CollettlFl. Siml. 263. B. 

 alba and hispida, JEdgew. in Trans. Linn, xx, 70. Verbesina Lavenia 

 Roxb. Fl. Ind. iii, 442. 



A rigid much-branched hispidly hairy annual, 1-^ ft. high. Branches 

 Bubterete, striate, scabrous. Leaves petioled, 2-4 in. long, ovate or 

 ovate-lanceolate, acute or acuminate, shallowly crenate, 3-nerved at the 

 cuneate or cordate base, hispid on both surfaces. Heads shortly 

 peduncled, ^-^ in. in diam,, arranged in dichoto 5 ous terminal cymes. 

 Outer invol-bracts ovate-lanceolate, acute, hispid outside with white 

 hairs ; inner membranous, rigid, with a truncate pectinate hispid 

 apex. Ligules of ray-flowers yellow or whitish, very short, bifid. 



