i 4 6 TEXT-BOOK OF FUNGI 



Freeman, Phil. Trans. Roy. Soc., ser. B., 196, p. i (1904)1 



Groom, Ann. Bot., 9, p. 327 (1895). 



MacDougal and Lloyd, Bull. U.S. Bot. Gard., i, p. 

 419 (1900). 



Rees, Ber. d. deutsch. Bot. Ges., 3, p. 293 (1885). 



Stahl, Pringsh. Jahrb., 34, p. 539 (1900). 



Treub and Bruchmann, Ann. Jard. Bot. Buit., 5, p. 

 87 (1886). 



Wahrlich, Bot. Ztg., 44, p. 481 (i; 



Ward, Symbiosis, discussion on origin and significance 

 of. Full bibliography. Ann. Bot., 13, p. 549 (1889). 



MacDougal, ' Symbiotic Saprophytism,' Ann. Bot., 13, 

 p. 3 (1899). 



Woronin, Gives a general review of Frank's root-infest- 

 ing Fungi, Ber. d. dentsch. Bot. Ges., 3, p. 205 (1855). 



Saranev, General review of the Mycorrhiza of forest trees, 

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Cavers, 'Saprophytism and Mycorrhiza in Hepaticae,' 

 New Phytol., 2, p. 30 (1903). 



Sydow, Ann. My col., i, p. 174 (1903). 



Davis, Bot. Gaz., 36, p. 307 (1903). 



Moller, Bot. Ztg., 61, p. 329. 



Tubeuf, Nat. Zeit. Land u. Forstw., i, p. 67 and 284 



Shibata, Pringsh. Jahrbr., 37, p. 143 (1902), 

 Neger, Nat. Zeit. Land u. Forstw., i (1903). 



BIOLOGIC FORMS 



The phenomenon known as specialisation of parasitism 

 is shown to a remarkable extent in the order Erysiphaceae. 



