BOTANICAL GAZETTE [AUGUST 
The inner rings of bundles are approximately the same size. 
This does not differ from the majority of the species of Piper. 
id d lignified tissue 
IG. 11.—De 
at the side; 820. 
Between the pith and the peripheral ring of bundles in the young 
stem is a continuous band of parenchyma, 4-6 rows thick, which 
