76 THE SMALL FRUITS OF NEW YORK 



when young; petioles and petiolules copiously prickly, bristly, and glandular. Racemes 

 rather short, about 8- to i i-flowered; bracts small, peduncle or rhachis and pedicels unarmed 

 but densely glandular. Fruit small, cylindric. 



Northeastern United States; Vermont, New Hampshire. 



Rydberg, A^. Am. Fl. 22:463. 1913, takes this species to be a hybrid 

 between R. nigrobaccus (allegheniensis) and R. vermontanus; Brainerd & 

 Peitersen, Vt. Sta. Bid. 217:62, 63. 1920, explain it as a hybrid between 

 R. pergratus and R. setosns. 



Rubus andrewsianus. Blanchaid Rhodora 8:1 y. 1906. 



Similar in habit to R. allegheniensis, but turions not glandular; leaves also similar. 

 Petioles and petiolules villous but not glandular, very prickly, especially the latter. 

 Inflorescence short, broadly corymbose-racemose; bracts leafy, mostly unifoliolate, upper 

 bracts short, lanceolate; pedicels slender, spreading, pubescent with a few stalked glands and 

 prickles. Fruits roundish or ovate. 



Eastern United States; from Massachusetts to Virginia. 



This species was never clearly understood and the numerous specimens 

 collected and named by Blanchard, now in Dr. Bailey's herbarium at Ithaca, 

 represent more than what was originally described. It is certainly not a 

 synonym of R. argutus as it is treated in N. Am. Fl. I.e. 464, nor does 

 Brainerd's and Peitersen's figure and description, Vt. Sta. Bui. I.e. 52, 53, 

 correspond to Blanchard's specimens from the type locality. R. andrew- 

 sianus is still insufficiently known; possibly it is a hybrid. 



Series 10. Arguti. Ha-Wey Gent. Herb. i:i?,6 1923. 



Canes erect, sharply angled and furrowed, with stout prickles along the angles, plants 

 pubescent or glabrous, and without glands. Leaves 5-foliolate, leaflets mostly narrower 

 than in most of the other groups, oblong-obovate or narrower, the terminal leaflet usually 

 broadest above the middle; petioles usually pubescent. Inflorescence shortly racemose, 

 pubescent and prickly, without glands. This group comprises several cultivated varieties. 



A. Leaflets oblong or obovate; fruits black 



B. Leaflets obovate-oblong, sharply doubly toothed 



C. Pedicels stout, prickly R. argutus 



CC. Pedicels usually slender and unarmed R. fioricomus 



BB. Leaflets from obovate-oblong to oblanceolate, rather finely serrate. . . .R. laudatus 

 AA. Leaflets narrowly lanceolate, long pointed; fruits white R. louisianus 



Rubus argutus. Link Enum. y.do. 1822; 'Ba.Wey Stand. Cyc. Hort. 5:3031. 1916; 

 Bailey Gent. Herb. 1:186, fig. 84. 1923. 



Canes erect, pubescent when young but soon glabrous, angled and furrowed, brown 

 when old, along the angles with scattered, stout, straight or curved prickles from a flat 

 base. Leaves of the turions 3- to s-foliolate; leaflets oblong, acuminate and somewhat 

 attenuate towards the base, doubly sharply toothed, dark green and glabrous above, paler 

 underneath and pubescent along the veins; petioles glabrous like the puberulous petiolules 



