80 SELECTED WESTERN FLORA 



petals purple ; beak of the fruit very glandular. •■ Foothills of Rocky Mts. 

 and eastward to Cypress Hills and Wood Mt. 



4. G. Richardsonii, Fisoh. & Mey. 



Stem slender, slightly pubescent; pedicels, peduncles, and sometimes the 

 upper part villous with white hairs tipped with purple glands ; leaves usually 

 few, 3-5-parted, the parts of the lower further divided, the terminal lobe 

 much longer than the lateral in the upper; flowers white veined with red; 

 beak of the fruit somewhat glandular-hairy. Foothills of Rocky Mts. and 

 prairies of S. Sask. and Alta. 



5. G. pusillum, L. 



Annual, stem slender, weak, spreading, pubescent; leaves on long petioles, 

 round, and cut into 7 or 9 lobes, which are either entire or 3-toothed at the 

 apex; peduncles rather short, 2-flowered; flowers small, pale reddish purple, 

 the stamens with anthers often S instead of 10 ; capsule hairy, but the long 

 slender beak naked or nearly so. Introduced about towns. 



2. ERODIUM. Storksbill. 



Resembling the Geranium, but the short stamens sterile, and the 

 styles, in fruit, spirally twisted. 



1. E. cicutarium, (L.) L'Her. 



A low hairy annual with leaves 1 or 2-pinnate, and sepals tipped with 

 bristles. Portage la Prairie. Introduced about towns. 



2. E. moschatum, (L.) L'Hfer. 



Stouter than the preceding, with leaflets less divided. Introduced, rare. 



XLIV. POLYGALACE.ffi; (Milkwort Family). 



Herbs or shrubs with very irregular hypogenous flowers arranged 

 in a variety of ways. Sepals 5, the two lateral ones large and 

 colored; petals 3 or 5, hypogenous, more or less united; stamens 

 4^8, generally in 2 sets; ovary 2-celled with a single ovule in each 

 cell. 



1. POLtGALA. 



Sepals 5, persistent, the upper one and the two lower small and 

 greenish, the two lateral ones large and colored; petals 3, hypog- 

 enous, connected with the stamen tube, the lower one keel-shaped; 

 stamens 6 or 8, their filaments united into a tube split down the back, 

 or joined in 2 sets to the petals; ovary 2-celled with a single ovule. 

 Low bitter herbs with simple entire leaves. 



