38 3 FOUNDATIONS OF BOTANY 
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Fie. 14. — Lower Part of Stem and Roots of Indian Corn, showing Aerial 
Roots (‘ Brace-Roots ” ). 
a,c, internodes of the stem ; 3b, d, e, f, nodes of various age bearing roots. Most of 
these started as aerial roots, but all except those from } have now reached the earth, 
