ERGOT AND ERGOTISM 



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Fig. 64. Poisonous Ascomycetes on grasses. A. Gibber -ell a saubinettii (G. 

 zeae) in small clusters on barley glumes. B. Cluster of perithecia of G. 

 saubinettii. D. Ascospores. E. Conidia of the Fusarium stage. F. Branch 

 of panicle of Paspalum laeve, certain of the ovaries having been replaced 

 by sclerotia of Claviceps paspali. G. Sclerotium of C. paspali that has hiber- 

 nated, after which three perithecial stromata developed. H. The conidia of 

 C. paspali belong to the form Genus Sphacelia and occur on the surface of 

 the stromata that later become sclerotia. 



