MODIFICATIONS 



135 



FIG. 76. Positions and variations in Rhizomes and Roots. 1, Texas snakeroot 

 (Aristolochia reticulata) ; 2, wild ginger (Asarum canadense) ; 3, bloodroot (Sang- 

 uinaria canadensis) ; 4, false unicorn (Chamcelirium luteum) ; 5, true unicorn (Aletris 

 farinosd); 6, bloodroot (Sanguinaria canadensis) showing branched rhizome; 7, 

 black cohosh (Cimicifuga racemosa); 8, Culver's root (Veronica virginica) show- 

 ing oblique rhizome; 9, mandrake (Podophyllum peltatum); 10, green hellebore 

 (Veratrum viride) showing a vertical rhizome; 11, yellow lady's slipper (Cypri- 

 pedium parviflorum) ; 12, blue cohosh (Caulophyllum thalictroides) . 



