MONOGRAPHY OF THE ROSE. 



SPECIES, 

 VARIETIES, AND SUB-VARIETIES 



SPECIES I. 



Rosa Simplicifolia, or Single-leafed Rose, 



otherwise 



Rosa Berberifolia, or Barberry-leafed. 

 Hultemia Berberifolia. 

 Lorvea Berberifolia. 



SPECIFIC CHARACTERS. 



Shrub, from one to three feet high; very glaucous. 



Branches, slight pale brown. 



Thorns, slight, arched, sometimes composite, springing 

 in pairs at the foot of the leafstalks and branches. 



Leaves, small, simple, oval, downy, finely and singly 

 toothed. 



Flowers, small, solitary, star-shaped, yellow, spotted 

 with deep crimson at the base of the petals ; fra- 

 grant ; resembling a cistus. 



E 3 



