MILDEWS AND RELATED FUNGI 



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Fig. 57- — .4, Balansia claviceps on car of Paspalum; B—L, Claviceps purpurea; 

 B, sclerotiuin; C, sclerotium with Sphacelia; D, cross-section of sphacelial layer; £, 

 sprouting sclerotiiun; F, head of stroma from sclerotium; G, section of same; H, 

 section of perithecium ; J, ascus; /C, germinating ascospore; C, conidiospores pro- 

 duced on myceliiiin. {See Die naturlichen PJianzenfatnili^n I. i, p. 371.) 



