Whorled Milkweed 
11 
Fig-. 7 — A typical whorled milkweed 
plant in late blossoming stage. 
Figure 11 is that of a plant very commonly supposed in this 
State of the poisonous milkweed. It is Asclepias speciosa, the 
showy milkweed, and is not the one responsible for losses of 
livestock. Note in this plant the large, broad leaves. The blos- 
soms are lavender in color and much larger than in the whorled 
milkweed. The pods in the showy milkweed are also larger and 
covered with protuberances. 
DISTRIBUTION IN COLORADO 
The map on page 16 (Fig. 12) shows the present known 
distribution of whorled milkweed in Colorado. By far the worst 
