SPECIES AND VARIETIES. 231 



leaves ternate; flowers few, in small, loose panicles; fruit 

 covered with glaucous bloom when ripe. Dewberry. Open 

 fields and stony wastes. El. June to August. 



R. saxatilis : stems ascending, simple, seldom above one foot 

 high, slender, downy, with few prickles; leaves ternate, the 

 leaflets obovate, coarsely-serrate ; flowers on slender pedicels, 

 two or three together in the axils of the upper leaves, forming 

 short racemes or corymbs, dirty white or greenish yellow ; 

 berries red, with few large carpels. Stony mountainous 

 places. Fl. June. 



B. Chamsemorus : stems simple, herbaceous, unarmed, 

 6-10 inches high ; leaves few, large, simple, broadly orbicular 

 or reniform, deeply-cut into 5-9 broad lobes ; flowers white, 

 rather large, solitary on terminal peduncles; fruit orange-red. 

 Cloudberry. Turfy Alpine bogs. Fl. June. 



(89) Rosa. ROSE. 

 * Branches bearing glandular spiny hairs (seta). 



t Prickles straight, slender, scarcely dilated at the fiase. 

 R. pimpinellifolia (spinosissima of authors) : shrub erect, 

 branched, 1-2 feet high, with numerous, unequal, straight, 

 slender prickles, intermixed with glandular hairs ; leaflets small, 

 79, with simple teeth ; flowers small, white or pink, solitary 

 at the end of the short branches ; calyx-segments lanceolate, 

 almost always entire ; fruit black, rarely red, globular or nearly 

 so, crowned by the persistent segments of the calyx. Sandy 

 heaths. Fl. May, June. The origin of our garden Scotch 

 Roses. 



ft Prickles hooked, very unequal, much dilated at the "base. 

 B. rubiginosa: shrub; bushy, somewhat slender, the 

 prickles of the stems curved and intermixed with a few setse ; 

 leaflets small, usually doubly-toothed, glandular, scented; 



