Mutations 



69 



1. (E. Lamarkiana. 



2. (E. brevistylis. 



3. (E. leptocarpa. 



2. Broader, pointed, with many 



crumples. 4. (E. gigas. 



3. Broader, rounded at the tip 



with very deep crumples, 

 edge incurved. 



b. 



5. (E. lata. 



6. (E. semilata. 



B. Leaves narrower. 



1. Broadest in the middle. 



a. Very long with long stalks, 



with narrow veins, almost 

 smooth. 



b. Small with broad leaf- stalk 



and broad, principal veins, 

 very smooth, shiny dark 

 green. 



2. Of equal breadth over the 



7. (E. elliptica. 



8. (E. scintillans. 



greater part of their length. 



a. Green. 



a. 1. Only slightly nar- 

 rower, smooth with- 

 out, or almost with- 

 out crumples. 9. (E. Icevijolia. 



a. 2. Very narrow with 



broad leaf-stalks 

 and broad veins 

 which often are red- 

 dish; wrinkled. 10. (E. oblonga. 



b. Whitish. 



b. 1. Crumples many, 



pointed, narrowing 

 off into the stalk. 11. (E. albida. 

 b. 2. Crumples few, nar- 

 rowing off into the 

 stalk, wavy, brittle, 

 veins reddish. 12. (E. rubrinervis. 



