Plate 37. Archeological and recent leaves of Trujillo 

 coca (£. novogranatense var. truxillense). A. Cam- 

 era lucida drawing of cleared leaf of Lowie Museum of 

 Anthropology accession no. 4-8225 (see Plate 35). 

 Centimeter scale. B. Camera lucida drawing of 

 cleared leaf of Plowman 6228 ex 5590. Centimeter 

 scale. C. Camera lucida drawing of cleared leaf of 

 Harvard Botanical Museum Ethnobotanical accession 

 no. 10-124. Centimeter scale. D. Camera lucida 



drawing of upper epidermis of cleared leaf, specimen 

 "Nazca no. 4". Scale = 50 /Ltm (micrometers). E. Cam- 

 era lucida drawing of lower epidermis of cleared leaf, 

 specimen "Nazca no. 8" Scale = 50 jum (micrometers). 

 F. Camera lucida drawing of lower epidermis of 

 cleared leaf showing papillae and stomata, specimen 

 "Nazca no. 1". Scale = 50 ^tm (micrometers). G. Cam- 

 era lucida drawing of lower epidermis, showing 

 papillae and stomata, Plowman 6228 ex 5590. Scale 

 50 /xm (micrometers). 



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