Colorado Plants Injurious to Ijvkstock 
55 
Figs. 78 - 79.—78, small dogljanc (Apocynum androsaemifolium) ; 79, Indian hemp (Ap- 
ocynum cannabinum). 
Figs. 80 - 81.—80, showy milkweed (Asclepias speciosum) ; 81, low milkweed (Asclepias 
pumila). 
