SHRUBS BELONGING TO THE ROSE FAMILY. 57 



are egg-shaped, sharply toothed, and are arranged 

 from three to five on a stem. The flowers, which 

 bloom in July, are borne in flat-topped clusters, and 

 are at first pink but finally pinkish white. This rose 

 is the parent of the Baltimore Belle ; 

 its strong shoots, Dr. Gray says, 

 grow from ten to twenty feet 

 in one season. 



The swamp 

 rose (Rosa Caro- 

 lina) is frequently 

 found beside the road 

 leading through boggy districts ; 

 it always grows on more or less 

 damp ground, and spreads its 

 stems from two to eight feet 

 outward from the root. In 

 Nantucket it grows in dense 

 thickets beside the swampy 

 edges of the ponds, near the PrairieRose> 

 south shore, together with the 

 cat-tail flag (Typha latifolia). I have also sketched 

 it as it grew beside the road leading from the village 

 of Siasconset to Sankaty Head light. This species 

 has from five to nine (usually seven) smooth, dull- 

 green, finely toothed leaflets. The stems are pro- 

 vided with strong hooked thorns; the sepals (the 



