(159) 



3523. High-bush blackberry. — The fruit of Rubus argutus Link. Native of the 



eastern United States. Collected by H. H. Rusby, at Mount Airy, North 

 Carolina. 



3524. Another specimen of the same. Collected by P. A. Rydberg at Alpine, 



New Jersey, July 26, 1906. 



3525. A flowering specimen of the same. Collected by R. S. Williams in the 



New York Botanical Garden, June, 1919. 



3526. Clustered blackberry. — A flowering specimen of R. frondosus Bigel. Native 



of eastern and central North America. Collected by John Uri Lloyd in 

 Boone County, Kentucky, May 19, 1919. 



3527. A fruiting specimen of the same. Same locality and collector, August 19, 



1919. 



3528. Another fruiting specimen of the same. Collected by R. M. Harper, at 



Tuscaloosa, Alabama, July II, 1919. 



3529. The fruit of Rubus fergratus Blanchard. Native of northeastern North 



America. Collected at Marlboro, New Hampshire, September 1, 1919. 



3530. Another specimen of the same. Same collection as the last. 



3531. Canadian blackberry. — The fruit of R. canadensis L. Native of eastern and 



central North America. Collected by P. A. Rydberg at Farmerville, 

 New York. 



3532. Another sample of the same. Collected by H. H. Rusby at Marlboro, 



New Hampshire, September 1, 1919. 



3533. Plaited-leaved blackberry. — The fruit of Rubus plicatifolius Blanchard. 



Native of the eastern United States. Collected by P. A. Rydberg at 

 Alpine, New Jersey. 



3534. Common dewberry. — The fruit of Rubus procumbens Muhl. Native of the 



eastern and central United States. Collected in Bronx Park, by W. N. 

 Clute, August, 1900. 



3535. Another specimen of the same. Collected by P. A. Rydberg at Alpine, 



New Jersey. 

 3535.1. Another sample. Collected by H. H. Rusby at Sea Girt, New Jersey, 

 July 27, 1920. 



3536. Running blackberry. — The fruit of Rubus Enslenii Tratt. Native from 



Massachusetts south and west to Texas. Collected by H. H. Rusby at 

 Mount Airy, North Carolina, June 18, 1909. 

 3536.1. Another specimen of the same. Collected by H. H. Rusby at Sea Girt, 

 New Jersey, July 27, 1919. 



3537. Bearded running blackberry. — The fruit of Rubus setosus Bigel. Native of 



the northeastern United States. Collected by H. H. Rusby, at Marlboro, 

 New Hampshire, September 1, 1919. 



3538. Bristly running blackberry. — The fruit of Rubus hispidus L. Native of 



damp woods of eastern North America. Collected by H. H. Rusby at 

 Marlboro, New Hampshire, September 1, 1919. 



3539. Another sample from the same place. 



3540. Mexican blackberry. — The fruit of Rubus sp. Native of Central Mexico. 



Acquired by H. H. Rusby on the summit of the mountains above Cuerna- 

 vaca, Mexico. 



