VARIOUS BLACKBERRIES 38] 



growing wild have the long clusters of B. nigrobaccua rather than 

 ones of the var. mi 

 The race of hybrids between the blackberry and dewberry 

 groboccus X B. villosus) has already been mentioned 



These hybrids are frequent in many parts of the northern 

 . and are usually readily distinguished from either the 

 blackberry or the dewberry by the half-erect habit, tin- broad and 

 the forking, small flower- clusters, and the small, 

 grained fruits. In gardens, offsprings of ti. e the 



Wilson, Wilson Jr., and Bathbun. These berries are valuable 

 for certain purposes, > »n t ordinarily demand Bpecial care and treat- 

 ment, and are, therefore, not adapted to wide ranges of cond 



bus Allkghentensi8 Porter, Bull. T< Club, xxiii. 



L53 (1896 . /.' J var. montanua Porter, I.e. xvii. 



15 1890). /.'. montanua Porter, I.e. .\.\i. 120 [1894 not 



Wirtg. Mountain Blackberry. 

 riant Bmaller than the preceding Bpecies, and rather more 

 Blender :m<l less prickly; the branches an<l leaf-stalks commonly 

 reddish, and all the recent parts very prominently glandular; 

 • much as in B. nigroboccus, with small teeth and distinctly 

 long-pointed, prominently pubescent below; fruit small, long and 

 nanow, tapering towards the top; drupelets numerous and small, 

 forming a dry fruit with Bpicy flavor. This Bpecii a occ 

 mountains from New York to North Carolina. Iii its typical 

 forms, it is very well marked, and Beems to be worthy specific 

 rank; but in Intermediate station-, it Beems to grade into the 

 Bpecies p. 370 . It has given no horticultural form-. 



BBBB. Plant diffuse or strict, mostly tall, thorny or unarmed, 

 inih no (or very littlt I glandular / ubescence; /nuts black. 



10. B Link, Knum. Eort. Berol. li. 60 1822 . 



R.j Bigel., PI. Bost. ed. 2, 199(1824 . B. villosus 



var. » ,, Fl. U. 8. i. 487 1 82 I : . B. subi 



. I. Bor.-Am. i. 17:' -cluster Black - 



l,,.. ... 



A plant of comparatively stiff and straight growth, usually 

 distinctly dwarfer than /.'. nigrobaccua, with shorter pointed, 

 narrower and usually d ins Btrong and 



