40 



\a'\ ilic reader note thai (lie leaves were nc^arly twice 

 as i-icli ill jiroleiii as tlie fine stems; we may also infer 

 fiom tile small aimniiil of ciMHle tihei- in tlie leaves that 

 thev are mneli more di^estihh' than anv other luirts 

 analyzed. These considerat i(nis em])hasize the imjiort- 

 anee of ictaininjii' the leaves dnrinif the enrinii of jtea- 

 vine haw 



