324 BUSH-FRUITS 



22. R. NIGROBACCUS, Bailey. R. villosus, authors, not Ait. Com- 

 mon or High Blackberry. Long Blackberry.* 



Stems shrubby, 1-8 feet (3-25 decimeters) high, furrowed or 

 terete, upright or reclining, armed with stout curved prickles; 

 young branches, peduncles, stipules, petioles and veins beneath 

 the leaves pubescent, and bearing numerous glandular tipped 

 hairs; leaflets mostly 3 on fruiting canes, 5 on young canes, ovate 

 or oblong, pointed, unequally and sharply serrate, the terminal 

 one petiolate, the lateral ones sessile or short petiolate; inflores- 

 cence racemose, elongated, nearly or quite leafless; flowers nu- 

 merous, conspicuous; bracts short; sepals glandular, ovate, with 

 a long, linear point, which is often dilated; petals obovate- oblong, 

 longer than the sepals ; fruit narrow, varying from nearly globular 

 to long- oblong, dull color, sweet; drupelets small, closely packed. 



Original distribution. Common throughout the eastern portion 

 of the United States and far northward in British America. 



Var. SATIVUS, Bailey. 



Clusters fewer flowered; pedicels oblique; fruit short and 

 thick, glossy black, sour until very ripe; drupelets fewer, large, 

 soft, loosely and irregularly placed. 



Found in dry, open places. The type most common in culti- 

 vation, as represented by Snyder, Kittatinny and Agawam. 



Var. ALBINUS, Bailey. White Blackberry. 



Canes terete, yellowish green; leaflets mostly 3, even on young 

 canes; fruit pinkish cream or amber colored, sweet. Other char- 

 acters closely resembling the specific type. 



Sparingly found wild, associated with the species. Though in- 

 troduced into cultivation at times, it has never proved valuable. 

 R. NIGROBACCUS X VILLOSUS. Blackberry -Dewberry hybrid. 



Stems decumbent or ascending, rarely rooting at the tip, 

 terete, sparingly armed with short, straight prickles; peduncles 

 and petioles pubescent but rarely glandular. Leaflets usually 3, 

 both on young and fruiting canes, simple in the flower cluster, 

 oval, acuminate, very deeply, sharply and irregularly incised, the 

 lateral ones sessile; inflorescence cymose, 4-8 flowered, inter- 

 spersed with numerous simple, broadly oval or ovate leaves ; sepals 

 ovate, acuminate, rarely expanded at the tip, slightly tomentose 

 within and on the margin ; petals longer than the sepals ; fruits 

 globular or slightly oblong, good, bright black; drupelets large 

 and prominent. 



*The nomenclature of the blackberries and dewberries is taken from Bailey's 

 monograph in "Evolution of our Native Fruits." 



