380 BUn^fA, ITS PEOPLE AXD PRODUCTIOXS. 



A A rappus-scales or aion free from flie lose. Flower-heads usualJij large. 

 \ X Aehcnes of the dhk lateralh/ comprexsed (those of the ray sometimes dorsalli/ 

 compressed or triquetrous), ciliate or wiiii/ed on the margins. Flower-heads small. 



SriLANTHES, Linnwus. 



Pntj-furets, if present, fertile. Sti/le-branches truneate nnd not nppendar:;e(l . 

 Aehines usually ciliate. Awns of pappus, if present, very thin. Herbs, leaves opposite. 

 Reeeptacles conical. 



S. ACMELLA, L. var. « all over Burma up to 3000 feet. 



Prostrate or ascending, branched. Flower-heads solitary in the loaf-axils or in 

 the forks of the branches. 



Hen-ka-la. 



var. a genuina. Achene marginate with the borders, bristly-rough, usually 

 crowned with 1 or 2 bristles. 



var. ji calva, DC. Achenes not, or scarcely marginate, pappus obsolete. 

 var. 7 oleracea, Jacq. 



S. rANicDL.WA, Wall. Pegu and Martaban. 



S. acmella, var. c 2)aniculata, Clark. 



In my eyes a very distinct species. It is the Ein-bi-zat of the Burmese, used for 

 poisoning fish (Kurz). 



TlTHONiA, Desfoutai/ies. 



Rug-florets sterile. Awns of th<' pappus deciduous or persistent, the intermediate 

 scalelets persistent. Inrola.eral bracts striate at the base, stiff, elongate-leafy at apex. 

 Tall herbs, leaves alternate. Flower-heads on thickened peduncles. 



* T. TAGETiFLOEA, Desf. Attaran. 

 No doubt only an escape from cultivation (Kurz). 



** Receptacle naked [Jlelenioidcw). 



Tagetks, Linnaus. 



Involucral bracts oily-glandular, in a single row, nnit(d into a toothed cup. 

 Pappus of 5-6 unequal scales or awns. Flower-heads usually radiate. Herbs, leaves 

 opposite, pinnatisoct or serrate. 



* T. PATULA, L. Cultivated. 

 Peduncles elongate and almost cylindrical. Involucral bracts plain. 



* T. ERKCTA, L. Cultivated; but less commonly, 

 rcdunelcs elongate, much swollen at the apex. Involucral bracts almost angular. 



Sub-tiilie ANXnEMIDIE-E. 

 Flou-er-licads Iteterngamous, the females ligulate or filiform or without corollas, the 

 disk-florets heruiaplirodite or male, or very rarelg all the florets tubular and liermaphrodite. 

 Reciptaele nal;ed, or very rarely senly. Anthers tailless. Style-branches truncate or 

 penieillate, rarely shortly appendaged. Pappus none, or reduced to a raised border or 

 rarely of sliort scales. Leaves usually alternate. 



* Eeceptacle naked, or alreolatc fibriUose. 



X Flower-heads radiate. Involucral bracts rather broad. 



CnRVsANTnEiirii, Zinuaus. 



lieeeptacle flat or convex. Achenes regularly or irregularly .J-10-ribbed. I'appus 

 none, or rarely of very short scales or forming a cup. 



Sub-genus Eir-CnitrsANxnEiiuM. 



Achenes of the ray almost triquetrous, the inner nerve produced at the apex into 

 a tooth. Pappus scarcely any. 



