126 ROSE FAMILY 



leaflets ovate, oval or ovate-lanceolate, rounded or narrowed towards the 

 base, acute at the apex, doubly serrate, thin, smooth or slightly villous 

 beneath, 3-7 cm. long, 1.5-5 cm. wide, terminal leaflet petioled; flowers 

 1-15, in shortened, leafy racemes, 2-3 cm. broad; sepals 4-6 mm. long, 

 not foliaceous; petals obovate, 12-15 mm. long; fruit black, subglobose 

 short-cylindric, with few to many large, juicy delicious drupelets : v i 1 - 

 1 o s u s, shaggy, referring to the leaves. 



In dry open places, common in the eastern part of the state. Dis- 

 tributed from Newfoundland to Lake Superior, south to Va., La., and 

 Oklahoma. Flowers in May, fruit ripe June-July. 



Rubus canadensis Linne 1753 Blackberry 

 Not R. canadensis of Authors. 

 Rubus amabilis Blanchard 1906 



Shrub with erect or recurving canes, often stout, old canes glabrous, 

 unarmed or with occasional prickles; leaves 3-5-foliate, terminal leaflet 

 petioled, long-acuminate, 6-10 cm. long, lateral leaflets 4-7 cm. long, 

 sessile, all glabrous on both sides, finely, evenly and sharply serrate ; 

 racemes cylindric, 10-15 cm. long, leafy bracted at the base, pedicels 

 tomentose, not glandular; flowers 2.5-4 cm. broad, petals obovate, 12-15 

 mm. long; fruit subglobose to short cylindric, drupelets large and juicy: 

 canadensis, Canadian, from the original locality. 



In rocky soil and thickets, and along roadsides, common (?) in the 

 southeastern part of the state. Distributed from Newfoundland to Lake 

 Superior, southward to N. C. Flowers in June, fruit ripe in July-August. 



Rubus allegheniensis Porter 1896 Blackberry 



R. villosus of Gray's Manual Ed. 6. in large part, not R. villosus of 



Alton. 



R. nigrobaccus Bailey 1898. 



A branched shrub, 1-2 meters (3-6 ft.) high, old stems purplish or 

 reddish, with stout, straight prickles; branchlets and pedicels glandular- 

 pubescent; leaves 3-5 foliate, leaflets ovate to ovate-lanceolate, rounded 

 or narrowed at the base, acuminate at the apex, mostly doubly serrate, 



