236 COMPOSITE. 



larger, I to 1^/2 inches diameter and with more ray florets. 

 Wight Ic. t. IIO5. 



Nilgiris. 



SIEGESBECKI A. f.b.i. 78 lii. 



A small genus of but two species, one cosmopolitan 

 in all warm countries, the other in Peru. 



Siegcsbcckia oricntalis LiJin. ; F.B.I, iii 304, LII I. 

 Remarkable for the four or five, J^ inch long, narrow 

 sticky bracts below the globular flower-heads. 



Stem I to 3 feet, pubescent, cymosely branched up- 

 wards. Leaves opposite, stalked, 2 to 3 by I to 1^/2 inches, 

 ovate coarsely round-toothed, and deltoid base. Heads 

 terminal, peduncled in the cyme forkings : outer bracts 

 linear, ^ inch spreading, thickly covered with glands ; 

 inner spathulate ^A toVe inch : floral scales boat-shaped 

 pubescent above. Florets yellow : rays broad three- 

 lobed. Anther lobes acute. Stylar arms flattened, rather 

 broad. Achenes black, smooth, t. 168. Wight Ic. 

 t. II03. 



Belongs properly to lower levels, but occurs occasionally on 

 the downs. Fyson 67. Bourne 526. 



Gen. Dist, Throughout India and all vvami countries. 



BIDENS. F.B.I. 78 LX. 



Bur- marl gold. 



Herbs with opposite leaves and flower-heads of the 

 HELIANTHOIDE^ (p. 209) distinguished from all others 

 by the achenes having at the top two to four harhed spines. 



Species 50, chiefly in America. 



Bidcns pilosa Linn.; F.^J. iii 309, LX 3 ; common 

 Bur-marigold. Stem erect four-angled, glabrous or nearly 

 so, leaves opposite pinnately three-foliate or three-fid » 

 terminal leaflet or segment sharply serrate except 

 perhaps the acuminate apex, 2 to M inch ; lateral I to 



