PENSTEMON PUBESCENS. 



Didynamia Gymnosperm'ia, Linn. Scrophularix, Juss. 



GENERIC CHARACTER. 



Ca/ix 5-leaved. Corolla bilabiate, ventricose. The fifth sterile filament longer than 

 the rest, and bearded on the upper side. Anthers smooth. Capsule ovate, 

 2-celled, 2-valved. Seeds numerous, angular. 



SPECIFIC CHARACTER. 



Stem pubescent, leaves serrulate, lanceolate-oblong, sessile ; flower paniculate, ste- 

 rile filament bearded from the apex as far as below the middle. IVilld. £s? 

 Pursh. 



SYNONYM. 



Chelone penstemon, Mart. 415. 



Plant from ten to fifteen inches high. Stem purple, erect, tortu- 

 ous, pubescent, and cylindrical. Leaves erect, opposite, sessile, broad 

 at base, lanceolate, acute, or with an obtuse point, very finely marked 



