ECHINACEA 



695 



Description. Nearly entire, cylindrical, very slightly tapering, 

 10 to 20 cm. in length, 4 to 8 mm. in diameter; externally, grayish 

 brown, light brown or purDlish-brown, slightly annulate in the upper 



FIG. 306, An entire plant of Brauneria angustifolia showing the lanceolate 3- 

 nerved leaves and the conical heads with reflexed ligulate, ray florets. From 

 Year Book, U. S. Department of Agriculture. 



portion, with occasional V-shaped stem scars, somewhat wrinkled 

 longitudinally, or furrowed and occasionally slightly spirally twisted; 

 fracture short, fibrous; internally, bark less than 1 mm. in thickness, 

 wood thick and composed of alternate light yellowish and black 



