THE BOOK OF ROSES. 127 



Flowers, moderate-sized, single, purple, or pale violet, 



in clusters. 

 Floral leaves, rounded or obtuse, or oval and pointed ; 



large, blistered, undulated, or entire and smooth. 

 Tube of calyx, smooth and globular. 

 Sepals, long, entire, convergent at first, afterwards 



expanding. 



Fruit, drooping, red, globular. 

 This is a very interesting sub-variety. 



II. Rosa Sdbini, or Sabine Rose. 

 Rosa Involuta. 



Shrub, from eight to ten feet high. 



Branches, straight, dark brown, covered with inter- 

 mingled thorns and bristles. 



Thorns, distant from each other, scythe-shaped. 



Leaves, distant from each other, composed of five or 

 seven leaflets. 



Leaflets, oval, doubly toothed, flat, hairy on both sides, 

 rather glandulous underneath. 



Leafstalks, cottonous, with glands and a few thorns. 



Flowers, usually solitary, sometimes collective, hi 

 which case they have bracteal leaves ; single, 

 either red or white. 



Flowerstalk, very hairy. 



Sepals, composite. 



Fruit, globular, scarlet, bristled. 



Rosa Sabina Doniana. 

 Shrub, less high than the preceding. 

 Thorns, straight. 

 Branches, devoid of bristles. 



