268 



Explanation of Plates. 



PLATE XIV. 



(All Figures X 250.} 



PUCCINIA GRAM IN IS ON VARIOUS GRASSES. 

 Fig. 



113. Teleutospores and mesospores on wild oat, Avena fatua. 



114. Teleutospores on barley, Hordeum vulgare. 



1115, 116. Teleutospores, mesospores, and uredospore, one of the first three-celled, or 

 native barley, Echino-pogon ovatus. 



117. Teleutospores on cocksfoot, Dactylis glomerata. 



118. Teleutospores and uredospores on silver grass, Festuca bromoides. 



IK;. Teleutospores and uredospores on an imported barley grass, Hord.enm secalinnm. 



120. Teleutospores on small canary-seed grass, Phalaris minor. 



121. Teleutospores on native wheat grass, Agro-pyron scabrum. 



122. Teleutospores on Am-phibromus neesii. 



