Colorado Plants Injurious to Livestock 
31 
Figs. 36 - 39.—36, anenome (Pulsatilla), the leaves of which are frequently mistaken for 
those of larkspur; 37, leaves and flowers of Nelson's larkspur; 38, easily detachable 
cluster of thickened, tuberous roots of Nelson’s larkspur; 39, Penhard’s larkspur. 
