

140 Class XIII. Order VI. 



The only species of this superb genus, that has been found 

 native in our climate. It attains the height of a dozen feet, but 

 is sometimes killed down to the roots by severe winters. 

 Leaves perfectly oval, glaucous or ash coloured underneath. 

 Flowers large, white, solitary on the ends of the branches, fra- 

 grant. Petals concave, inversely ovate. Fruit ovate, some- 

 what conical. The bark is highly aromatic, and possesses me- 

 dicinal properties. It grows plentifully in a sheltered swamp 

 at Gloucester, Cape Ann, twenty five miles from Boston, 

 which is perhaps its most northern boundary. June, July. 



