WOUND RESPONSES OF REAVES 
243 
Pig. 5. i:A3TU?.TIUll armoracia 
Certain cells of the protective tissue may become considerably 
enlarged as in Salvia (fig. 1) or Lonicera (fig. 2), or its tissue 
may remain about the same size as the average interior cells of 
the leaf, Pittosporum (fig. 6) or Horse-radish (fig. 5). 
The wound tissue is largely formed by the development of new 
Pig. 6. PITTOSPORUM SP, 
