GLIMPSES INTO PLANT STRUCTURE 39 



this time a scale from a fern. These broad 

 scale-like appendages correspond to the hairs 



Fig. 25. Scales from the frond of a fern, 

 showing their structure 



on flowering plants and (Fig. 25) are built up 

 of quite a number of regular cells. 



We might multiply illustrations to show how 

 cells collectively compose the various structures 

 of plants, though some become so much altered 



