56 OUR NATIVE FERNS AND THEIR ALLIES. 



(1851, 1S53, 1857.) This and the next are expensive works with 

 colored phites 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 algse of the world, 

 giving compiled descriptions in Latin. Volume I (Chlorophy- 

 ceae, pp. 12, cxxxix, 131 5) 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.) 



Desmidiacese. 



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

 edition 1892.) 



Stokes (A. C). Key to the Desmidieae. Amer. Monthly 

 Micros. Journal, VII, 109-114, 125-131, 144-14S, 163-169 (1886). 

 An analytic key to the above work. 



Characeae. 



Allen (T. F.). Characese 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. 



