PLATE 13. 



Hypocren cent. 



»;- 





Fi,i«-. 1. <iibbei'ella piiliniris, Fr., nntiinil size, oiMlciid corn stalk. 



A jiToiipor pcfitlicciii soiii('\vli!it('iiliii'<ro(l. 



Tlin>o pcritliccia liijrlily innuiiirKMl. (A:) nii ciitiro pcri- 

 tlicfiuin. (P).) a ln'okon down and cnipfy one. iC.) a 

 vortical section ol'a jicritliccinin sliowinii' asci. 



A <rroup of asci in various staircs ot ilcvclttpnicnt. 



Four niatni'c sporidia. 



Tlii'oo spoi'idin <iorniinatin,ir. 



('aloiiccti'ia raiiatleiisis. F. A- F.. natural size on dead elm. 



Cluster of j)oritli('cia around tlic Itasc of the conidial 

 stroma. 



Vertical section of peritliecinm. 



Two mature asci. 



Tlii'ce mature sporidia. 



Youufr JM'ritliecia around the liase ol" tlie conidia-beariMu: 

 st'-oma. the central head cut vertically shoAvinji" the 

 su|ierlieial coni<iial layer. 



liusidia and conidia enlaru'ed. 



;>. 

 " (). 



'• 7. 



" \). 

 " 10. 



•• 11. 



" li>. 

 •• 14. 



NoTK.- 



Two conidia eidaru'cd. 



-Fiii'ures on this plate not drawn to a delinite scale. 



