i8o 



PEA FAMILY 

 Key to the Species 



Small tree, leaflets 8-18 

 Shrub, leaflets 4, almost palmate 



C. arborescens 

 C. digitata 



Caragana arborescens Lamarck 1783 Siberian Pea Tree 



Shrub or small tree, 2-6m. (6-18 ft.) high; bark gray; leaves 5-10 cm. 

 long with 8-12 leaflets, obovate or oblong, rounded at the base, mucronate 

 at the tip, sparsely pubescent beneath or at length glabrous, 1-3 cm. long, 

 5-10 cm. wide; flowers 2-4, pale or bright yellow, 1.5 cm. long, pedicels 

 usually longer than the flower ; fruit a linear pod : arborescens, tree- 

 like. 



Native of Siberia and Manchuria. Frequently cultivated in Minn. 

 and perfectly hardy. Flowers in May. 



Several varieties, of which variety p e n d u 1 a, with pendulous branch- 

 es, is the most remarkable. 



