BIBLIOGRAPHY 637 



Busgen, M., 1882, Die Entwicklung der Phycomycetensporangien, Jahrb. Wiss. 



Botanik, 13: 253-285, pi. 12. 

 , 1887, Beitrag zur Kenntnis der Cladochytrien, Beitr. Biol. Pfl., [Cohn], 4: 269- 



283, pi. 15. 

 Butler, E. J., 1907, An account of the genus Pythium and some Chytridiaceae, 



Mem. Dept. Agr. India, l 5 : 1-160. 

 , 1910, The wilt disease of pigeon-pea and pepper, Mem. Dept. Agr. India, 



Bot. ser., 2: 1-64. 

 , 1911, On Allomyces, a new aquatic fungus, Ann. Botany, 25: 1023-1034, /. 



1-18. 

 -, 1913, Studies in the Peronosporaceae II, Pythium debaryanum Hesse, Mem. 



Dept. Agr. India, 5 : 262-267, pi. 5. 

 Butler, E. J., and C. S. Kulkarni, 1913, Studies in the Peronosporaceae, Colocasia 



blight caused by Phytophthora Colocasiae Rac, Mem. Dept. Agr. India, 5: 



233-261, pi. l-/ h 

 Carruthers, D., 1911, Contributions to the cytology of Helvella crispa, Ann. 



Botany, 26: 243-252, pi. 18-19. 

 Cavara, F., 1899, Osservazioni citologiche sulle Entomophthoreae, N. Giorn. Botan. 



ltd. N.S.S: 411-466, pi. 4~5. 



, 1905, Causeries mycologiques, Ann. Myc, 3 : 362-365. 



Cavara, F., and N. Mollica, 1907, Ricerche intorno al ciclo evolutivo di una inter- 



essante forma di Pleospora herbarum (Pers.) Rabenh., Ann. Myc, 5: 119-149. 

 Cavers, F., 1915, The interrelationship of protista and primitive fungi, New Phytol- 



ogist, 14: 94-104; 164-168; 223-227; 275-280; 302-304. 

 Cayley, D. M., 1921, Some observations on the life history of Nectria galligena, Ann. 



Botany, 36: 79-92, pi. 4-5. 

 , 1923, The phenomenon of mutal aversion between mono-spore mycelia of the 



same fungus (Diaporthe perniciosa Marshall) with a discussion of sex hetero- 



thallism in fungi, Jour. Genetics, 13 : 353-370. 

 Chivers, A. H., 1915, A monograph of the genera Chaetomium and Ascotricha, Mem. 



Torrey Botan. Club, 14: 155-240, pi. 6-16. 

 Christman, A. H., 1905, Sexual reproduction in the rusts, Botan. Gaz., 39: 267-275, 



p'. 8. 

 , 1907, The alternation of generations and the morphology of the spore forms 



in the rusts, Botan. Gaz., 44: 81-101, pi. 7. 

 -, 1907a, The nature and development of the primary uredospore, Trans. Wis- 



consin Acad. Sci., 15: 517-524, pi. 29. 

 Claussen, P., 1905, Zur Entwicklungsgeschichte der Ascomyceten, Boudiera, Botan. 



Zeitung, 63: 1-27, pi. 1-8. 

 , 1906, tiber neuere Arbeiten zur Entwicklungsgeschichte der Ascomyceten, 



Ber. Deutsch. Botan. Ges., 24: 11-38. 

 , 1907, Zur Kenntnis der Kernverhaltnisse von Pyronema confluens, Ber. 



Deutsch. Botan. Ges., 25: 586-590. 

 , 1908, Uber Eientwicklung und Befruchtung bei Saprolegnia monoica, Ber. 



Deutsch. Botan. Ges., 26: 144-161. 

 , 1912, Zur Entwicklungsgeschichte der Ascomyceten, Pyronema confluens, 



Zeitschr. f. Botanik, 4 : 1-63, pi. 1-6. 



1921, Entwicklungsgeschichtliche Untersuchungen uber den Erreger der 



als Kalkbrut bezeichneten Krankheit der Bienen, Arb. Biol. Reichsanst. Land.- 



Forstw., 10: 467-521. 

 Clinton, G. P., 1902, Cladochytrium Alismatis, Botan. Gaz., 33: 49-61, pi. 2-4- 

 Coker, W. C, 1914, Two new species of water molds, Mycologia, 6: 285-301, pi. 



146-148. 



