GENERAL INDEX OF PLATES. 





Part. 



Plate. 



12 





18 





19 





20 





21 





22 





23 





Tl 



7 





34 





35 





36 





37 





38 





39 





40 



oligostachya ] 



41 





42 





43 





44 





45 





46 



Buchloe dactyloides ] 



47 





13 



Cenchrus myosuroides - 



6 



tribuloides 



b 



7 





29 





30 





31 





32 



ver ticillata 



I] 



23 

 33 



Cottea pappophoroides 



I] 



29 



Diplachne fascicularis 



imbricata 



I] 



I] 



4 1 



42 



Reverchoni 



I] 



43 



rigida ; 



I] 



44 



viscida 



I] 



45 



Elionurus barbiculmis ... 



15 



tripsacoides 



I] 



1 



Elymus Sitanion 



Tl 



50 



Epicampes macroura ] 



27 



rigens 



28 



Eragrostis curtipedicellata 



I] 



46 



lugens 





47 



oxylepis 





48 



Pursbii 





49 



Eremochloe Bigelovii ] 



Kingii ] 



48 

 48 





1 



