192 



ASCOMYCETKS. 



coats of the ovary, till gradually but completely it fills up the 

 whole cavity. Outside the ovary the mycelium forms an 



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:M 



I 

 P 



1 



i 



Fie;. S4.Claviceps purju'i-ea. Ergot. Sckrotia or Ergot-grains in ears of Rye. 



(v. Tubeuf phot.) 



irregular wrinkled white stroma or sphacelia, from the hollows 

 and folds of which little ovoid conidia are abjointed from short 



