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Sph. acuiiiepala 



Sph. crocea 



Sph. killipii ( n= 1 5 1 ) 



Sph. snidernii 

 (n=15l) 



Sph. woodsonii 



Sph. sp. nov. aff. 

 Sph. woodsonii 



Sph. sp. nov. 



St. anomala 



St. stylaris (n=131) 



T. hissed us (n=129) 



2.0 



1.3 

 15.2 



26.0 

 31.3 

 48.3 



39.1 



47.3 



46.4 

 40.0 



24.7 



53.3 

 8.0 



11.5 



25.6 



47.3 

 40.0 

 37.3 

 47.3 

 45.0 



72.0 

 67.3 

 36.4 



14.6 



12.7 



28.0 

 6.7 



54.7 



41.2 

 29.5 



98.0 



98.7 

 84.7 



60.9 



52.7 



75.3 

 46.7 



92.0 



88.5 

 74.5 



*Foreach species, one-hundred and fifty stomata were examined in an epidermal peel, except where another number is indicated in parentheses after 

 the species name. As often as possible in a peel, fields were studied which were laterally rather than vertically adjacent to one another, to maximize 

 randomness of sampling. Observations of Cy. bipariiius were subject to error because longitudinal files of ordinary epidermal cells tend to be 

 difficult to identify in this species. 



