422 BOTANICAL GAZETTE [DECEMBER | 
“ID 22) 
& <@ 
QD) => =D SO 
UC 
mmmioe ne mm e aa ‘3 my 
a ifr’ stn, a see “Si. 3 
aes ess 
“ Nowe ye sabe 8 
| 
e 
ae ; rmal; ¢-4 
Fic. 6.—Teleutospores of Puccinia graminis. a-a, one-celled ; See ee, four- 
three-celled, septum horizontal; ¢-d, three- and four-celled, septum obliq 
celled, septum horizontal. 
