Wood, Henry. 



A season among the wild flowers. 

 256 pp. London, 1883. 



Wood, Horatio C, Jr. 



Contribution to the fresh water algae of North America. 

 262 pp. 21 pis. Washington, 1872. HFr-W 875 

 (Smith. Contrib. to Knowledge, No. 241.) 



Wood, J. Medley. 



Classification of ferns. 



Natal, 1879. 



Guide to the trees and shrubs in the Natal Botanic Gardens, Durban. 

 70 pp. 1 pi. Durban, 1897.* 



Report on Natal Botanic Gardens and Colonial herbarium 1901-2. 

 38 pp. [Durban], 1902. 



Wood, Mary Bristow. 



The botanical researcher. 



190 pp. 2 pis. London, 1849. 



Woodhead, Th. 



Ecology of woodland plants in the neighborhood of Huddersfield. Diss. 

 Zurich, 1906. 



Woodhead, T. W. 



The study of plants, an introduction to botany and plant ecology. 

 440 pp. Oxford, 1915. 



Wools, Williams. 



The progress of botanical discovery in Australia. 

 41 pp. Sydney, 1869. 



Woolsey, Theodore S. 



French forests and forestry. 



1 ed. 238 pp. New York, 1917. JH-W 916 



Woolson, G. A. 



Ferns and how to grow them. 



156 pp. New York, London, 1905. 



Woolward, Florence H. 



The genus Masdevallia. (With additional notes by F. C. 

 Lehmann.) 



87 pis. with descr. text, Grantham, 1890-96. 



Worgitzky, Georg. 



Bliitengeheimnisse. Fine bliitenbiologie in einzelbildern. 

 134 pp. Leipzig, 1901. DS-W 926 



2 ed. 138 pp. 1 pi. Leipzig, 1910. DS-W 926 



Worm, Olao. 



Museum Wormianum sen historia rerum rariorum. 



389 pp. 2 pis. Amstelodami, 1655. WQe-C 782 



Woronichin, N. N. 



Die rotalgen (Rhodophyceae) des Schwarzen meeres. (Rus- 

 sian & Germian.) 



182 pp. 2 pis. St. Petersburg, 1904. 



(Trav. Soc. Nat. St. Petersburg.) 



Worsdell, Wilson Crosfield. 



The principles of plant-teratology. 



Vol. 1, 25 pis. London, 1915. 



2, 296 pp. 53 pis. London, 1916. EF-W 931 



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