56 OUR NATIVE FERNS AND THEIR ALLIES. 



(1851, 1853, 1857.) This and the next are expensive works with 

 colored plates relating chiefly to marine forms. 



HARVEY (W. H.). Phycologia Britannica. 4 vols. (1871). 



DE TONI (J. B.). Sylloge Algarum omnium hucusque cog- 

 nitarum. (1889.) This work covers the algae of the world, 

 giving compiled descriptions in Latin. Volume I (Chlorophy- 

 ceae, pp. 12, cxxxix, 1315) only has appeared. 



Diatomaceae. 



SMITH (H. L.). Conspectus of the Families and Genera of 

 the Diatomaceae. The Lens, i, 1-19, 72-93 (1872). 



WOLLE (F.). The Diatomaceae of the United States. 

 (1891.) 



VAN HEURCK (H.). Synopsis des Diatomees de Belgique. 

 (1880.) 



Desmidiaceae. 



WOLLE (F.). Desmids of the United States. (1884; 2d 

 edition 1892.) 



STOKES (A. C). Key to the Desmidiese. Amer. Monthly 

 Micros. Journal, VII, 109-114, 125-131, 144-148, 163-169 (1886). 

 An analytic key to the above work. 



Characese. 



ALLEN (T. F.). Characeae of America, Part I (1888); 

 Part II (1893). 



HALSTED (B. D.). Classification and Description of the 

 American Species of Characeae. Proc. Boston Soc. Nat. Hist., 

 XX, 169-190 (1879). 



2. FUNGI. 



For the structure and biology of this group the following 

 are useful : 



DE BARY (A.). Comparative Morphology and Biology of 

 the Fungi, Mycetozoa, and Bacteria. (English translation.) 

 (1887.) 



ZOPF (W.). Die Pilze. (1890.) Especially full on the physi- 

 ology of the Fungi. 



