608 BENGAL PLANTS. [Xanthiwnt. 
A coarse, unarmed annual, with bur-like heads. Vernac. 
Chhota-gokhru, ban-okra. 
1078. saergenern sprnosum Linn. 
C. Bengal; occasional in waste places. 
A so Fs rigid, much-branched, spiny annual, with bur- 
like heads. A native of Southern Europe, recently 
introduced. 
466. Lagascea Cav. 
Rigid, villous, scabrid or subglabrous herbs ; leaves opposite or 
the upper alternate. Flower-heads in leafy balls, which are soli- 
tary, terminal, and peduncled, or in corymbose panicles, each 
1-flowered ; Sonste henaphrodite, — ; SSinictiows tubular, of 5 
, D- 
with sagittate, ohvanly auricled bases. Style with col 
acute, hairy arms. Cypsela cuneate, compressed or pe 
ip rounded; pappus a toothed or fimbriate cup or ring, W! 
sometimes bristles at the angles of the achene. 
1079. LaGascEa Mouuis Cay.; F. B. I. iii. 802. 
« Dengal, 
An introduced weed of cultivated places. 
467. Zinnia Linn. 
Annual or perennial herbs or undershrubs; leaves opposite, 
quite entire. Flower-heads heterogamous, rayed; Tay -florets 
female, 1-seriate; disk-florets numerous, hermaphrodite, 
or in cymes, usually thickened near top; involucre campanulate 
or sube ylindrie ; bracts 3- or more- seriate, imbricate, sete or" 
Le 
conic or ultimately cylindric, paleaceous. vate aristate. 
Petals of female ray-florets connate in a spreading, entire ligule, 
sessile or shortly tubular below; of hermaphrodite 5, connate 10 
regular tubular corollas, with a slightly enlarged, cylindric, shortly 
5-lobed limb. Stamens syngenesious; anthers entire at base 
Style with elongated, obtuse or subtruncate arms, hardly oe 
ed. Cypsela narrow, striate, iodiiteakiod or 8-quetrous, tun 
cate or with the angles produced into 1-3 aristate teeth. 
