310 Lxxviii. COMPOSITE. (J. D. Hooker.) {^Bidens. 



cMnensis, Wall. Cat. 3189, D. E. F. B. Wallichii, DC. Prodr. v. 598; Dalz. ^ Cribs. 

 Bomb. Fl. 129. 



Vak. 3. deeomposita ; leares decompoundly pinnatifid, segments linear slender. 

 B. deeomposita, Wall, in DC. Prodr. v. 602; Cat. 3188; Clarke Comp. Ind. 141, 

 exc?. var. j8. 



EXCLUDED SPECIES. 



B. DECOMPOSiTA, var. P hirmiior, Clarke (Comp. Ind. 141), from 7500 ft. in the 

 Nilgheriy Mts. I have seen no specimen of this, •which Clarke informs me he now 

 supposes to be some cultivated plant. 



B. CALTA, Clarke 1. c. (Adenolcpis calra, Schidts-Bip. in Herb. Hokenaek. n. 344) is 

 Cosmos svlphureus, Cav., a cultivated plant. 



61. GXiOSSOCVNE, 



Berennial glabrous herbs, with almost naked stems and branches. Leaves 

 radical, crowded, pinnatifid or cuneate and 3-toothed, cauline alternate or the 

 lower opposite, or Q. Heads small, few, corymbose, heterogamous and rayed, or 

 homogamous and disciform ; ray-fl. $ , fertile, ligules spreading yellow (or 

 white ?) ; disk-fl. § , fertile, tubular, limb 5-fid. Im^lucre small ; bracts 2-3- 

 seriate, narrow, bases connate ; receptacle flat ; pales scarious, flat or concave. 

 Anther-bases obtuse. Style-arms of ^ with long hairy tips. Achenes dorsaUy 

 compressed, linear, ovoid or almost winged, glabrous, truncate ; pappus of 2 

 retrpsely scabrid bristles. — Disieib. Species 6, tropical Asiatic and Australian. 



1. G-. pinnatifida, DC. in Wight Contrib. 19; Prodr. v. 632 ; branches 

 dender forked, leaves mostly radical pinnatifid triangular in outline, segments 

 linear acute. Dalz. 8; Gibs. Botnb. Fl. 129 ; Clarke Comp. Ind, 141. B. 

 rigida, Moi-t. Cole. Zinnia Bidens, Jietz Obs. v. 28 ; Soxb. Fl. Ind. iii. 435. 

 Bidens pinnatifida, Seyne in Wall. Cat. 3190. 



Plains of Western India ; from Jamu and Garwhal to Western Bengal and 

 Behar, and southwards to Madras. 



Boot fusiform, woody. Leaves with the petiole 1-2 in. ; segments few, often 

 recurved, acute, coriaceous. FlovjeHvg branches 6—12 in., strict, stiff, grooved, nearly 

 leafless. Heads in flower J in. diam. ; invol. bracts linear, obtuse, ^ in. long. Achenes 

 \-^ in., deeplj' grooved, black. 



62. CKXtYSANTSEI.I.TriK[, Bich. 



Annual glabrous herbs. Leaves alternate, pinnatifid, or radical toothed. 

 Heads small, peduncled, terminal and axillary, heterogamous, rayed ; ray-fl. $ , 

 1-seriate, fertile, ligule spreading entire or 2-tcotbed yellow; disk-fl. 5; fertile, 

 tube short, limb campanulate 5-fid. Involucre hemispheric ; bracts 1-2-seriate ; 

 receptacle flat ; pales narrow, flat, scarious. Anther-bases obtuse, entire. Style- 

 arms of § slender, tips long subulate. Achenes linear-oblong, dorsally com- 

 pressed, smooth, or the outer tubercled externally, outer thick with obtuse 

 margins, inner flat 2- winged ; pappus a minute corona. — Disikib. Species 2 or 

 •3, tropical Asia, Africa and America. 



1. C. Indlcum, DC. Prodr. v. 631 ; achenes all cuneate-oblong obcom-r 

 pressed grooved smooth margins very thick not winged. Deless. Ic. Sel. iv. t. 

 39 ; Clarke Comp. Ind. 142, excl. syn. Bidens ? Bandanna, Wall. Cat. 3291. 

 Hinterpubera Kotschyi, Schuttz-Bip. in Herb. Schimper, n. 1630. 



Uppeb Gangbtic plains, Boyle, Thomson. Kumaon and Gaewhai, at Hawalbagh 

 and Nynee-tal, alt. 4000 ft., Madden, &c. Nagpoee, Munro. — Disteib. Madagascar, 

 Tropical Africa. 



Branches spreading from the root, procumbent, diffiise, leafy. Leaves succulent, 

 1-3 in. long, deltoid in outline, 2-pinnatifid; segments oblong or cuneiform, obtusely 



