1766 



A TEXTBOOK OF THEORETICAL BOTANY 



I 



Fig. 1650. — Casuarina equisetifolia. Planted avenue in Chile. 









I'll,. 1G51. ( 'tisiuniiiii sp. I'uil ut traus\(.r,M.- .section of a stem, 

 showing the sclerotic ridges with furrows between and with 

 assimilatory palisade tissue on their flanks. 







