( 3062 ) 



Vernonia acutifolia. Sharp-leaved 

 Vernonia. 



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Class and Order. 

 Syngenesia Polygamia MqvALis. 



( Nat. Ord. — Composite. ) 



Generic Character. 



Involucrum imbricatum. Flosculi tubulosi. Pappus 

 duplex : ext. paleaceus : int. pilosus. Receptaculum nu- 

 dum. 



Specific Character and Synonym. 



Vernonia* acutifolia; foliis Hneari-lanceolatis attenuates 

 subdentatis glabriusculis, floribus alternis secundis 

 sessilibus. 



Vernonia acutifolia. Hortul. 



Descr. Stem elongated, slender, terete, smooth, or in 

 the younger branches very slightly hairy. Leaves four to 

 six or seven inches long, almost sessile, linear-lanceolate, 

 gradually but much attenuated, submembranaceous, the 

 margin slightly toothed, dark green and glabrous above, 

 beneath paler, and very obscurely hairy ; nerves oblique. 

 Flowers solitary, or two together in the axils of the upper 

 leaves and secund, sessile. Involucre ovate, imbricated : 

 the outer and greater number of the scales are ovate- 

 acuminated, green, the point acuminated, rather rigid, and 

 more or less reflexed ; the innermost row, next the florets, 

 are linear-spathulate, the upper and broad part rose-colour- 

 ed, the rest green. Florets numerous, tubular, purplish 



rose- 



* Named after William Vernon, a Botanist and American Traveller, 

 whose Herbarium came into the possession of Sir Hans Sloane, 



