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ZONES AND REGIONS [Pt. Ill, Sect. I 



fr 





% 



Fig. 156. Bauhinia sp., from the rain-forest at 

 Blumenau in South Brazil. I. Part of a young axis. 



2. Part of a quite young and still straight axis. 



3. Longer piece of the axis of which figure 1 

 shows a part. Reduced. 



