222 MAINE AGRICUI^TURAIv EXPERIMENT STATION. I913. 



septate type but occasional septate spores are seen. Chlamydo- 

 spores occur in the cultures. No inoculations have been made 

 on China asters. 



LIST OF ORGANISMS STUDIED. 



Fusarium I from apple fruit. 



Fusarium II form apple fruit, produces obovate spores. 



Fusarium III from apple fruit. 



Fusarium IV from apple fruit, produces obovate spores. 



Fusarium from ears of sweet com from Orono. This 

 did not produce obovate spores. 



Fusarium from ears of sweet corn from Monmouth, Me. 

 This produces many obovate spores. 



Fusarium isolated from decaying cucumber. Closely 

 resembles F XV and F XVI from potato. 



Fusarium isolated from diseased wheat collected in 

 Maine. 



Fungus with obovate spores from potato. Isolated by 

 Dr. W. J. Morse from a potato tuber sent from Massa- 

 chusetts by Dr. Geo. E. Stone. 



Fusarium from Red Astrachan apple. This fungus is 

 identical with F II. 



Fusarium isolated from a green apple which was decay- 

 ing on the tree August i, 1910. This fungus is appar- 

 ently identical with F I. 

 F XII. F. pntrefaciens Osterwalder.* Culture secured from 



Dr. Osterwalder in 1910 and carried in culture since 

 that time in comparison with the Maine forms. 

 F XIII. Fusarium from sunflower. Isolated from decaying head 



of sunflower from garden in Orono. 

 F XIV. Fusarium from China aster. Isolated from stems of 



diseased plants sent by Mrs. E. C. Bodman of Seal 

 Harbor, Maine. September, 1910. 

 F XV. Agrees closely in cultural characters with F. o.vysporuin* 



as described by Smith and Swingle. This strain was 

 secured from Vermont through the courtesy of N. J. 

 Giddings. 

 F XVI. A culture of this fungus which was isolated from inter- 



nal tissues of potato tuber from Sharpsburg, Ohio, was 

 secured from Dr. Thomas Manns. Fungus seems 

 identical with F XV. 



F I. 



F IL 



F III. 



F IV. 



F V. 



F VI. 



F VII. 



F VIII. 



F IX. 



F X. 



F XL 



* See foot-note p. 254. 



