48o REPORT OF NEW JERSEY STATE MUSEUM. 



Rubus frondosus Bigel. Bush Blackberry. 

 Rubus frondosus Bigelow, Plants of Boston, Ed. II., 199. 1824 [Boston, 

 Mass.] 



Frequent in the northern counties and occasional in the Middle 

 district, especially along the Delaware river. Distinguished from 

 the last by having the branches of the inflorescence pubescent, but 

 nearly or quite glandless, and with few or no prickles. 



Fl. — Mid-May to mid-June. Fr. — (Mlid-July to mid-August. 



Middle District. — Delanco, Moorestown. 



Rubus villosus Ait. Dewberry. 



Rubus villosus Aiton, Hort. Kew, 2:210. 1789 [North America]. 

 Rubus canadensis Knieskern 13, Britton 94. 



Frequent throughout, but decidedly less common in the Pine 

 Barrens. 



The same uncertainty prevails here as in the high blackberries, 

 as to just how many species we have. 



Fl. — Mid-May to mid-June. Fr. — Early July to early August. 

 Probably slightly earlier than R. argutus. 



Middle Dwfnrf.— Washington Park, Medford (S), Undenwold (S), Sick- 

 lerville. 



Pine Barrens.— B&r\m (S), Head of Batsto (S), Landisville (T), Albion. 



Coast 5'fr;>.— Beach Haven (L), Tucker's (L), Spray Beach (L), Atlantic 

 City (S), Stone Harbor (S). 



Rubus villosus enslenii Tratt. Single-flowered Dewberry. 



Rubus enslenii Trattennink, Ros. III. 63. 1823 [North America]. 



Rather frequent. Distribution and flowering probably similar 

 to the last. 



Fl. — Mid-May to mid- June. Fr. — Mid-July to mid-August. 



Middle District. — Farmingdale. 



Pine Barrens. — Cedar Brook. 



Coast Strip. — Pt. Pleasant, Spray Beach, Stone Harbor. 



Rubus hispidus L. Hispid Swamp Blackberry. 



Rubus hispidus Linnaeus, Sp. PI. 493. 1753 [Canada]. — Knieskern 14. — Brit- 

 ton 94. 

 Rubus Hagellaris Barton, Fl. Phila. I. 234, II. 216. 1818. 



Plentiful in shaded swampy ground throughout the State. A 

 common species of the cedar swamps and shady moist ground in 

 the Middle district. 



Fl. — Early June to early July. Fr. — Late July to late August, 



