with Descriptions of two New Species. 
75i 
Fig. 28. Portion of transverse section of stem, showing cork (c), clustered 
crystals (ccr), primary cortex (pr.c ), bast-fibres of pericycle (bf), secondary bast (s), 
medullary rays (mr), xylem (x), primary bundles (pb) and pith (/). (x 120.) 
