152 THE BOOK OP ROSES. 



Flowers, solitary, red or white. 

 Petals, rolled or curled, and cordiform. 

 Flower stalks, naked. 

 Tube of calyx, oval, almost spherical. 

 Sepals, bristled with thorns, and having viscous glands. 

 Disk, not much raised. 



Fruit, crowned before maturity with convergent sepals. 

 This variety is a native of the mountains of Scotland; 

 discovered by Dr. Walker. 



SEVENTH TRIBE OF SPECIES III. 



Rosa Centifolia, or Hundred-leaved Rose. 



Rosa Damascena. 



Rosa Belgica. 



Rosa Provincialis. 



Rosa Gallica. 



Rosa Parvifolia. 



Rosa Remensis. 



Rosa Pumila. 



Rosa Polyanthos. 



Rosa CaryopTiylla. 



Rosa Muscosa. 



Rosa Divionensis. 



Rosa Pomponia. 



Rosa Burgundiaca. 



Rosa Turbinata. 



SPECIFIC CHARACTERS. 



Shrub, bristly, more or less lofty. 



Branches, straight or flexuous ; forming a bush, usually 

 spreading ; armed with thorns and bristles, some- 

 times greenish, sometimes tinged with purple. 



