MARYLAND WEATHER SERVICE 95 



Curran, H. M. The Forests of Calvert County. Maryland Geological Survey, 

 Calvert County, pp. 213-222, 1907. 

 Lists 52 species of trees. 

 Curran, H. M. The Forests of Cecil County. Maryland Geological Survey. 

 Cecil County, pp 295-314, 1902. 

 Lists 61 species of trees. 

 Curran, H. M. The Forests of Garrett County. Maryland Geological Survey. 

 Garrett County, pp. 303-329, 1902. 

 Lists 60 species of trees. 

 Ddcatel, J. T. Outlines of the Physical Geography of Maryland, embrac- 

 ing its prominent Geological Features. Transactions of the Maryland 

 Academy of Sciences and Literature, Vol. I., pp 24-54, with map of the 

 State, 1837. 



Contains remarks on the soils and trees of the State, with some men- 

 tion of the herbaceous vegetation. The author was at that time State 

 Geologist. 

 Harper, Roland M. Centers of Distribution of Coastal Plain Plants. Science. 

 Vol. XXV, pp. 539-541, 1907. 



Comments on the absence of the characteristic pine barren plants 

 from Maryland and Delaware. 

 Holm, Theodore. Third List of Additions to the Flora of Washington, D. C. 

 Proceedings of the Biological Society of Washington, Vol. VII., pp. 

 105-132, 1892. 

 Holm, Theodore. Fourth List of Additions to the Flora of Washington. 

 D. C. Proceedings of the Biological Society of Washington, Vol. X.. 

 pp. 29-43, 1896. 

 Holm, Theodore. Fifth List of Additions to the Flora of Washington. D. C. 

 Proceedings of the Biological Society of Washington, Vol. XIV., p. 7, 1901. 

 Hunter, Ward and Knowlton. Botany of the Zoological Park (of Washing- 

 ton, D. C). Annual Report of the Smithsonian Institution. 1890, pp. 

 68-72. 

 Knowlton, F. H. Second List of Additions to the Flora of Washington. 

 D. C. Proceedings of the Biological Society of Washington, Vol. III., 

 pp. 106-132, 1886. 



Mell, C. D. The Forests of St. Mary's County. Maryland Geological Survey, 



St. Mary's County, pp. 183-203, 1907. 

 Lists 62 species of trees. 

 Norton, J. B. S. and Walls, E. P. The Wild Legumes of Maryland and 



their Utilization. Maryland Agricultural Experiment Station Bulletin 



100. 1905. 



Oldberg, Rudolph. Mosses of the District of Columbia. Field and Forest, 

 Vol. II., 1876. 



