24 



PUBLIC HEALTH BULLETIN NO. 286 



KEY TO GROUP B 



1. Leaves compound (fig. 1) Ampelupsis, p. 122. 



1. Leaves simple 2. 



2. Leaves with several veins running from base to Smilax, p. 109. 



apex; stems often thorny (fig. 2). 

 2. Leaves without several veins running from base 3. 



to apex; stems not thorny. 



Figure 1. 



3. Stems woody . 4. 



3. Stems herbaceous 5. 



4. Leaves leathery, toothed only near apex (fig.)3_ Ampelothamnus.p. 132. 

 4. Leaves not leathery, entire or with wavy edge Berchemia, p. 122. 

 (fig. 4) 



Figure 3. 



Figure 4. 



