BOTANICAL TEXT-BOOKS AND LITERATURE CONSULTED. 



"Synoptical Flora of North America." By Asa Gray. (As far as out.) 



New York. 1884. 

 "The Illustrated Flora of the Northern United States and Canada." By 



Nathaniel Britton and Hon. Addison Brown. Three volumes. New- 

 York. 1896. 

 "The Grasses of Tennessee." By F. Lamson Scribner. Two parts. 



Knoxville. 1894. 

 "A Manual of the Botany of the Northern United States." By Asa Graj'. 



Fifth edition. 1886. 

 "Flora of the Southern United States, with Supplement." By A. W. 



Chapman. New York. 1870. 

 "Memoirs of the Torrey Botanical Club, Vol. III., No. i." Report on the 



"Flora of Western North Carolina." By John K. Small and A. A. 



Heller. New York. 1892. Report on the "Botanical Expedition of 



Southwestern Virginia. " By John K. Small and Anna Murra}' Vail. 



New York. 1893. 

 " Biltmore Botanical Studies, Vol. I., No. i." By C. D. Beadle and C. L. 



Boynton. London. 1901. 

 "Studies on Cratsegus, Vols. I. and II." By C. D. Beadle. Chicago. 



1899. 



