- 35 - ZEA. 



70. Fruits. Draw an ear. Then make a longitudinal section through the light 

 area of a soaked fruit containing a germinating seed and draw it under a hand lens, showing : 

 pericarp -j- testa, with remains of style ; endosperm ; scutellum ; aleurone layer ; embryo, 

 consisting of radicle, young rootlet, hypocotyl and plumule. 



71. Seedling. Draw a germinating seed, showing : rootlets with root-hairs; sheath of 

 plumule enclosing first foliage leaf. 



