516 ricker: botany in dist. of Columbia — bibliography 



BOTANY. — A sketch of botanical activity in the District of Colum- 

 bia, — //.22 Bibliography . P. L. Ricker, Bureau of Plant 

 Industry. 



Anonymous. Botanical notes. Field <fe For. 1:5-6. 1875. 



Notes on Dentaria heterophylla, Corydalis flava, Viola pedata hicolor, and Poa hreviflolia. 



Anonymous. Autumnal flowering. Field & For. 1:43-44. 1875. 



Asa Gray Bulletin, devoted to plant life in field, forest and garden, vols. 5-6, 

 1897-1898. Edited by C. H. Hicks, Washington, D. C. Vols 7-8, 1899- 

 1900, edited by T. A. Williams and C. L. Shear, Takoma Park, D. C. 



Ashe, William VVillard. The dichotomovs group of Panicum in the eastern 

 United States. Journ. Elisha Mitchell Soc. 15: 22-62. 1898. 

 Describes Panicum annidum from the District of Columbia. 



Baker, Frank P. Native trees of the National Zoological Park. \nn. Rep. 

 Smiths. Inst. 1890:65-66. 1891. 

 Forty-six species. 



Bartlett, Harley Harris. Euphorbia arundelana. an ally of Euphorbia ipecac- 

 uanhae. Rhodora 13: 163-165, f. 1-2. 1911. 



Bartlett, Harley Harris. On gynodioecisrn in Plantago lanceolata. Rho- 

 dora 13: 199-206, f. 1-3. 1911. 



Bartlett, Harley Harris. Twelve elementary species of Onagra. Cybele 

 Columb. 1:37-56, pi. 1-5. 1914. 



Oenothera brevicapsula and O. ruderalis from Montgomery County, Maryland. 



Besley, Fred Wilson. The forests of Prince George County. 40 p. 3 pi. 

 Map. Baltimore, 1913. 



Originally published in Maryland Geological Survey report on Prince Georges County, 1911. 

 Blodgett, Frederick HaHj^ey. A nature studi/ of Man/land plants. Bull. Md. 



Agr. Coll. 2: 1-22, illust. 1908. 

 Brainerd, Ezra. Hybridism in the genus Viola, III. Rhodora 8: 49-61, pi. 



66-70. 1906. 



Notes 7 hybrids from the vicinity of the District of Columbia. 

 Brereton, John A. Florae columbianae prodromus, exhibens enumerationem 

 plantarum quae hactenus explorata sunt; or A prodromus of the Flora Col- 

 umbiana, exhibiting a list of all the plants which have as yet been collected. 

 Compiled by John A. Brereton. 86 p. Washington, 1830. 

 This contains the results of the investigations of the Botanical Club of Washington, 1825-1830. 



Britton, Nathaniel Lord, and Brown, Addison. Illustrated flora of the 

 Northeastern States and Canada. 3 vol. ed. 1, 1896-1898; ed. 2, 1913. 



Often gives District of Columbia as locality. 



BrittOn, Nathaniel Lord. Manual of the flora of the Northern States and 



Canada, ed. 3. 1112 p. 1907. 

 Burgess, Edward Sanpord. Species and variations of hiotian asters with dis- 



cussion of variability in asters. Mem. Torrey Club 13: 1-419. f. 1-108. 



1906. 



Twenty-four species and 5 varieties recorded from the District of Columbia. 



Burroughs, John. Spring in Washington.^ Atl. Monthly, 580-591. 1869. 

 Chickering, John White, Jr. Erythronium albidum Nutt. Field & For. 



1:8. 1875. 

 Chickering, John White, Jr. A seasoji's botanizing. Field & For. 3: 151-155. 



1878. 

 Chickering, John White, Jr. January flowers. Field & For. 1: 72. 1876. 



Notes on Draha nenii, Slellaria media, Capsella barsa-pastoris. Taraxacum dens-leonis, and Jas- 

 minum nudi/lorum in bloom first weelc in January. 

 Coville, P^rederick Vernon. Early botanical activity in the District of Col- 

 umbia. Records of the Columbia Historical Society 5: 176-194. 1901. 



"2 Continued from page 498. This bibliography includes all works on the 

 taxonomy of flowering plants and ferns in which have been found definite refer- 

 ences to the occurrence of species in or near the District of Columbia. The 

 author will appreciate references to omitted titles. 



