Reed : The mildews of the cereals 



359 



was always sure of a large quantity of good, viable conidia. In 

 most experiments plants of the same species as tjiat from which 

 the mildew Was obtained were inoculated. If the mildew developed 

 upon these plants, it was considered sufficient evidence that the 

 conidia were entirely viable. 



TABLE V. — Results ^VITH Ifonfaim manfimumV^xih. 





'^ 



I20b 

 I2IC 

 1 30c 

 I3IC 



137c 



152c 



153a 



173a 

 174c 



176b 



177c 



Date 



Source of conidia 



T908 



July 28 

 Oct. 



28 



4t 



19 



3i 

 31 



Nov. 10 



" 10 

 20 



20 

 27 



27 



Honletan vtilgare 





it 



it 



K 



tt 



ti 



it 



tt 



it 



ti 

 (( 



CI 



(< 



ti 

 ti 



a 

 tt 



ti 





(fl 



O -Q 





I 



a 

 o 



55 



4 



2 



4 

 6 



6 



3 



5 

 5 



9 



4 



9 



3 



7 

 7 



6 



7 



8 



8 



6 



7 



*3 



3' 



«3 



3^ 



I 

 I 



2 



3 



3 



X 



2 

 2 

 6 



3 

 5 

 3 



Results 



Date 



1908 



Aug. 5 



S 



Oct. 26 



it 



Inoc. 



plants 



Controli 





Nov. 

 tt 



fi 

 tt 

 tt 



ft 



Dec. 



26 



7 



7 



19 



19 

 26 



26 



5 

 5 



^ Two leaves of each plant inoculated. 



TABLE VI.— Results with Hordeum nodomm L.^ 



V 



a 



H 



'C 



u 



II2C 



Ii6b 



X32C 



1351^ 

 151C 



152a 

 163b 

 164c 

 175a 



178c 



179b 

 181C 



Date 



1908 



July 10 

 i I 



Oct. 



Nov, 

 tt 



ti 



t-i 



tt 



a 



tt 



a 

 tt 



18 

 21 



23 

 10 



10 



16 



27 

 27 



27 



27 

 27 



Source of conidia 



ti 

 tt 

 a 

 tt 

 if 

 a 

 it 

 a 



ti 

 tt 



tt 



tt 



1 1 



it 



it 

 it 



ii 

 tt 

 ti 

 tt 



it 



i 



o -o 



Hordeum vtilgare 



it 



20 

 28 



8 



10 



19 

 19 

 X3 

 «3 

 13 

 13 



13 



24 



9 

 6.S 



2 



2 



3' 



7 



7 



6 

 10 



5 



4 



4 



5 



6* 



a 

 o 

 u 



o 



O 

 10 



8 

 1 



4 



3 

 6 



6 



2 



6 



IQ08 



July 18 

 *' 28 



Oct. 



30 



Nov, 



31 



>9 



ti 

 t% 



»9 

 26 



tt 



26 



Dec. 



a 

 tt 

 ti 

 tt 



5 

 5 

 5 

 5 

 5 



Results 



plaDU t Controls 



++ 



+4 + 



,s 



+++ 



++ 

 ++ + 





* Hordeum pratense Huds.= H. secalinutn Schreb. 



*The first leaf of one plant and the second and third leaves of the other two 

 plants were inoculated. Infection occurred on the first leaf of the one plant. 

 'The tips of the inoculated leaves' had withered and turned yellow. 



* Two leaves inoculated. 



