THE BOOK OF ROSES. 87 



I. Porcupine, or Hedgehog Rose. 



Stem, from four to five feet high. 



Branches, slender, drooping, pale, pubescent, armed 



with rigid unequal thorns. 

 Leaves, wrinkled, of a lively green. 

 Stipules, regular. 

 Petioles, glandulous, bristly. 

 Thorns, yellowish, almost straight. 

 Leaflets, elliptic, slightly toothed. 

 Flowers, single, large, red. 

 Floral leaves, almost orbicular, and edged with glands 



or bristles. 



Sepals, triangular, sometimes composite. 

 Petals, concave, heart-shaped, undulated. 

 Disk, rather raised. 

 Pericarp, yellow and bristly. 

 Origin, the Caucasian mountains. 



This shrub is found at the foot of Caucasus, and 

 cultivated in the botanical gardens of England and 

 France. Its large purple flowers appear in April and 

 May, previous to the scented varieties, if the shrub is 

 vigorous and kept closely trimmed. 



II. Rosa Rugosa, or Wrinkled Rose. 



This shrub, a native of Japan, is known to us only 

 by drawings and descriptions, not always to be relied 

 upon. It is called by the Japanese, the Ramanas. 



III. Rosa Kamschatica, or Kamschatkan Rose. 



Stem, three or four feet high. 



Branches, pale brown, the thorns and bristles becoming 

 deciduous with age. 



