STEVIA CALLOSA. 



ARKANSA STEVIA. 



Syngenesia jEqualis, Linn. Corymbiferse, Juss. 



GENERIC CHARACTER. 



Receptacle naked. Pappus awned-paleaceous. Calix cylindrical, formed of a simple 

 series of leaves. 



SPECIFIC CHARACTER. 



Annual ; leaves linear, crowded, somewhat thick, callous at their apices, the upper 

 ones alternate; flowers divaricate, sub-corymbose; pappus about 8-leaved, 

 erose, and very short. Nutt. 



« Plant annual. Somewhat scabrous ; stem divaricately branched, 

 brittle. Leaves mostly alternate, sessile, and somewhat succulent, con- 

 stantly terminating in a yellowish sphacelous or callous point. Pedun- 

 cles and flowering branchlets glandularly pubescent ; the flowers red- 

 dish and dispersed, tending, however, to a corymb ; the calix cylindric. 

 consisting of about eight linear leaflets disposed in a single series. Flo- 

 rets from ten to twelve ? quite similar to those of Marshallia and Hy- 

 menopappus, bearing a slender tube and a funnel-formed live-cleft bor- 



VOL. II. 7 



