294 THE BOOK OF ROSES. 



Leaves, distant ; composed of five or seven leaflets ; of 



a light or dark green, sometimes tinged with red, 



without pubescence. 



Stipules, dilated ; rather reflexed ; ending in a point. 

 Leafstalks, bearing a few crooked thorns. 

 Lea/lets, oval or oblong ; pointed or rounded ; sessile 



or almost sessile ; flat or concave ; smooth or wrin- 



kled ; with single or double toothing ; without 



glands, sharp and convergent. 

 Flowers, solitary or clustering. 

 Floral leaves, oval-lanceolated; concave or plane ; sharp, 



finely toothed, and glandulous at the extremity. 

 Flowerstalk, smooth as well as the calyx. 

 Tube of calyx, oval. 

 Sepals, deciduous, displayed, pointed ; sometimes pin- 



natifid. 



Petals, concave, ob-cordiform. 

 Disk, raised, thick. 

 Ovules, twenty or thirty. 

 Styles, detached, almost smooth ; salient or very little 



enclosed. 

 Fruit, oval, oblong ; scarlet, glossy, glaucous or non- 



glaucous. 

 Pericarp, large, irregular. 



This variety is found in almost all uncultivated parts 

 of Europe and the north of Asia. It has the following 

 botanical sub-varieties. 



1. Sharp-leafed Dog-rose. 

 Rosa Canina Acipliylla. 

 Shrub, dwarfed. 

 Leaves, smooth on both sides, much smaller than the 



preceding. 

 Floivers, small ; of a pinkish- white. 



