Plate 39. Leaf venation and geographic distribution 

 of the cultivated cocas {Erythroxylum spp.). Centi- 

 meter scale. This map is the same as that presented in 

 Plate 32. A. E. novogranatense var. truxillense 

 (Trujillo coca), Madison et al. 4447. B. E. novo- 

 granatense var. truxillense (Trujillo coca), Madison et 

 al. 4920. C. E. novogranatense var. novogranatense 

 (Colombian coca), Plowman 3734. D. E. novogra- 

 natense var. truxillense (Trujillo coca), Plowman 6242 

 ex 5583. glasshouse cultivated progeny (seed) of 

 specimen illustrated in Plate 39E. Note much larger, 

 shade-leaf form of this glasshouse plant as compared 

 with its parent in 39E. E. E. novogranatense var. 

 truxillense (Trujillo coca), Plowman 5583. Typical 

 sun-form leaf of parent of glasshouse plant shown 

 above in Plate 39D. F. E. novogranatense var. 

 novogranatense (Colombian coca). Plowman and 

 Davis 4152. G. E. novogranatense var. truxillense 

 (Trujillo coca), Plowman 5600. H. E. novograna- 

 ten.se var. truxillense (Trujillo coca). Plowman 5618. 

 Note the size differences between this and Plowman 

 5600 (Plate 39G), from the same locality. I. E. novo- 

 granatense var. novogranatense (Colombian coca). 

 Plowman 7600 ex 5373, planted from seed by Plow- 

 man in Lima in 1976. J. E. Coca var. Coca (Bo- 

 livian coca), Plowman 5827, local name "molle 

 coca". K. E. Coca var. Coca (Bolivian coca). Plow- 

 man 7510. L. E. Coca var. Ipadu (Amazonian 

 coca), Spruce 73. 



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