FAMILIES OF PLANTS 83 
base and curl upward so suddenly that the seeds are thrown some 
distance. 
Figure 61.—Sticky geranium. Purple. Copyright, J. E. Haynes. 
Geranium richardsonii is similar but the flowers are white with 
roseate veins, and the leaves are thin. 
The genus is commonly known as cranesbill. 
Figure 62. —Cranesbill. White. Photograph by Joseph S. Dixon, National Park Service. 
Alfileria (Erodium cicutarium ).—The stems are hairy and much- 
branched from the base, and the leaves are pinnate with leaflets that 
are cut into narrow lobes. The flowers are rose color and much 
