148 OTHEE AMERICAN PLANTS. 



yellow flowers in July ; and H. Uralum, with us, a 

 rather tender species from Nepal, with terminal 

 corymbs of bright orange-yellow blossoms, is desir- 

 able. 



Pig-m-ed in Bot. Mag. t. 2375. 



The Polygala. 



One species of this beautiful genus is suitable for 

 cultivation with American plants : — 



Polygala Cham^busus ■ 



Is a dwarf-growing, evergreen, shrubby plant, 

 with large, yellow flowers, a native of the Swiss and 

 Austrian Alps. It is a neat, pretty plant, increasing 

 rapidly from running roots, and freely producing its 

 fragrant flowers during the spring and summer. 

 We can scarcely regard it as perfectly hardy ; but 

 with a little care, covering the whole plant with 

 pine-needles in winter, it may be, preserved, and is 

 well worth the trouble. Plants may be imported 

 from England for about nine shillings per dozen. 



They should be grown in a soil of peaty loam. 



Figured in Bot. Mag. t. 316 ; and in Lodd. Cab. 

 t. 593. 



The Pyrola. 



Among the Wintergreens are some very pretty 

 plants well worthy of cultivation. The common 

 Pyrola rotundifolia is by no means an inelegant 



