FUNGI IMPERFECTI (dEUTEROMYCETES) 



263 



Fig. 105. — Septoria leaf spot disease of celery, or celery blight. (After Coons, G. N., 

 and Levin, Ezra, Spec. Bull. 77, Mich. Agric. Coll. Exper. Stat., March. 1916. 



SPORES^ 



Fig. 106. — Section through leaf spot of celery blight (Septoria) ^i i-lis) 



in leaf tissue and pycnidium with exuding pycnospores. (After Coons, G. 11., and 

 Levin, Ezra, Spec. Bull. 77, Mich. Agric. Coll. Exper. Slat., March, 1916.) 



