ROSACEAE 



507 



Calyx persistent. 



Pistils numerous ; fruit drupelets 1. Rubus. 



Pistils numerous ; fruit an achene 2. Fragaria, 



i 



1. Rubus. Raspberries and Blackberries 



Perennial herbs, shrubs or vines; vine prickly, with alternate leaves, 3-7 



f oliolate or simple ; flowers terminal ; axillary or solitary, white reddish or pink, 



! usually perfect ; calyx 5-parted, petals 5, deciduous ; stamens numerous ; achenes 



1 usually many, inserted on the receptacle, which is either fleshy or dry; carpels 



.; forming drupelets. About 200 species chiefly Northern. 



Rubus Idaeus L,. var. aculeatissimus (C. A. Mey.) Regel & Tiling. Wild 



Red Raspberry 



Stems biennial, upright shrubs covered with straight, stiff bristles, some 

 hooked, and glandular hairs ; leaflets 3-5, oblong, ovate, pointed, whitish, downy 

 underneath; petals as long as the sepals, whitish; fruit light red. Spreads by 

 j suckers. 



Distribution. The species is native to the Appalachian Mountains as far 

 south as the Carolinas ; common at high altitudes in the Rockies. Frequently 



Fig. 268. Wild black cap rasp- 

 Fig 267. Wild Red Raspberry (Rubus Idaeus, var- berry (Rubus occidentalism . _ This 

 tleatissimifs) . The prickles of the red raspberry produce plant has thorns which are irritat- 

 chanical injury. (Ada Hayden). ing. (Ada Hayden). 



