130 THE BOOK OP ROSES. 



English gardeners pronounce this shrub to be a na- 

 tive of America ; botanists ascribe it to Siberia. It was 

 introduced into England in 1810. 



II. Rosa Rubella, or Red Rose. 

 Rosa Pendula. 

 Rosa jllpina. 

 Rosa Polypliylla. 

 Rosa Candolleana. 

 Shrub, from three to four feet high. 

 Branches, straight, reddish, covered from the base to 



the summit with thorns and bristles. 

 Stipules, sloping, enlarged at the extremity, naked, or 



fringed with glands. 



Leafstalks, having very few glands or hairs. 

 Leaves, composed of seven or eleven leaflets. 

 Leaflets, almost flat, oval, pointed, of a dark green on 

 the upper surface, paler on the lower ; singly or 

 doubly denticulated. 

 Flowers, having no floral leaves, solitary, pale, or 



sometimes of a dark red. 

 Flowerstalk, more hispid than the calyx. 

 Sepals, straight, naked. 



Petals, longer than the sepals, concave, emarginated. 

 Disk, very thin. 

 Fruit, long, oval, pendant, scarlet, crowned with short 



convergent petals. 



This rose grows spontaneously in England, and in 

 various northern countries of Europe. 



1. Red Black-fruited Rose. 



Rosa Rubella Melanocarpa. 

 Fruit, a brownish black, shorter than in the preceding. 



