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n. Claviceps sesleriae Stager, 63 • 



°- •' setulosa (Quel.) Sacc Sk 



P» " tripsaci Stev, ard. Hall. . .• 6U 



1» " wilsoni Coolra 65 



r. " sp. on Spartina striata 66 



S" '■ sp. on Zizania aquatica and Z. palustris 65 



IV. Infection experiments and biologic races of Claviceps species 67 



«> CI . purpiorea from rye go 



CI . purpurea on Festuca SLrundimcea 69 



" froEQ Anthozanthtun odoratum , 7O 



" sclerotia forming biologic race on A. odoratnm 70 



CI. purpurea biologic form from Brachypodium silvaticum .... 71 



Claviceps from Mlium effusum 72 



" " Lolium perenne Jk 



C . microcephala Tul. from Phragmites coianunis 75 



" biologic race on Poa annua 75 



Claviceps from Glyceria f luitans 78 



" " Zizania 79 



7, Toxicology 79 



History- 79 



Ergot coirposi tion - SI 



Test for ergot. $5 



^ Ergotism 87 



Remedy for ergoti sm : 90 



I . Bibliography on the genus Claviceps 4 , 92 



