TABLE 5 



SELECTED ANATOMICAL FEATURES OF ARCHEOLOGICAL AND 



MODERN COCA LEAVES (ERYTHROXYLUM SPP.) 



1^ 



Species and Variety 

 E. Coca var. Coca 



E, Coca var. Ipadu 



£. novogranatense 

 var. novogranatense 



E. novogranatense 

 var. truxillense 



Epidermal 

 Papillae 



+ 



+ 



+ 



Leaf 

 Thickness 



270 Mm 

 (166-576) 



281 /xm 

 (138-424) 



358 /im 

 (212-505) 



Veinlet 

 Termini 



20.5 mm 

 (16-25) 



-2 



20 mm 

 (-20-) 



-2 



22 mm 

 (-22-) 



-2 



Stomatal 

 Density 



389 mm"^ 

 (341-448) 



444 



-2 



(^44 



247 mm 

 (-247-) 



-2 



Stomatal 

 Length 



20.7 /xm 

 (20 22) 



20 /zm 

 (-20-) 



20 /xm 

 (20-) 



Stomatal 

 Frequency 



16.3% 

 (15-18) 



16% 

 (-18 ) 



8% 

 (-8-) 



Recent 



Archeological 



+ 



+/ 



295 urn 

 (193-455) 



-2 



36 mm 

 (25-52) 



-2 



22 mm 

 (16-30) 



NOTE: Overall means given; range of specimen means shown in parentheses 

 Data are derived from specimens marked with an asterisk (♦) in Tables I and 2 



-2 



404 mm 

 (379-455) 



-2 



183 mm 

 (156-203) 



21 /im 

 (18-25) 



25 ^m 

 (-25-) 



18% 

 (13-25) 



1 1 .4% 

 (10-13) 



