78 



Clariceps from the same host and. from Xauenen infects only 

 Siesleria cocrulea, TDtit does not go to any of the atove listed hosts of 

 this Claviceps. TMS Shows that the climate and locality might liave 

 some effect iipon the adaptability of Claviceps to some hosts. Stager 

 considers the Claviceps on Sesleria c oeralea not only as a biologic race of 

 the C.. Tiarpurea on rye, but he thinks that it is a distinct species to 

 Tfihich he gave the name C., sesleriae . tindei' ^hidh name it is described 

 in another place in this paper. 



Infection experiments vdth davioeps 

 from Glyceria fliutans (248) 

 It gnejs only to (Syceria fliutans, but does not go to: 



Aira flexuosa 



Ammophila arenaria 



Anthoxamthum odoratum 



Arrhenatherum elatius 



Brachypoditmi sylvaticum 



Bromus erectus 



Caiamagrostis arundinacea 



Cynosurus cri status 



Dactylis glome rata 



Festuca pratensis 



Holcus mollis 



iolium perenne 



Nardus stricta 



Poa annua 



Poa pratensis 



Poa sudetica 



Secaie cereale 



