2i2 OLEASTER FAMILY 



style slender, stigma one-sided ; fruit berry-like, the fleshy calyx inclosing 

 an achene or nutlet. 



A genus of three known species two of which occur within the state, 

 the other western. 



Key to the Species 



1. Leaves ovate or oval, green above, silvery be- 



neath, thornless shrub. 5. canadensis 



2. Leaves oblong, silvery on both sides, mostly 



thorny shrub, S. argentea 



S. a. r ge.ntea. 



Shephecdia-.x^ S.ca.na.dercs*s 



Shepherdia canadensis (Linne) Nuttall 1818 Canadian Buff alo- 



berry 



Lepargyraea canadensis (Linne) Greene 1890 



A spreading shrub 1-3 m. high, thornless, bark gray, young shoots 

 brown-scurfy; leaves ovate or oval, rounded at the base, blunt at apex, 

 green and nearly smooth above, silvery beneath but with rusty scales, 2-6 

 cm. long, 1-2.5 cm. wide, petioles 4-6 mm. long; flowers in short spikes 

 at the nodes of the twigs, yellowish, about 5 mm. wide, buds formed in 

 the summer with the leaves, expanding before or with the leaves next 

 spring, brown, about 1.5 mm. in diameter: fruit a yellowish berry, very 

 insipid or nauseous, about 4-6 mm. long : canadensis, Canadian. 



This species occurs around Lake of the Woods and probably eastward 

 along the International Boundary. Distributed from Newfoundland to 



