56 



Phn/oinicroL^i'tiphs of Botanical Studies, 



90. -L.S. Embryo-Sac, " Triticum sativum," Wheat. 



•s^Sik^, 





. ''r-'i>-'o<- ■•■■ •;c' 



Wall of ovary. 



►#^, bmbryo 



IP 



i4ii(!?Suspensor (egg cells) 



91. L.S. Seed of "Triticum sativum," Wheat. 



Scutellum. 



Leaves in various stages of 

 development. 



Growing apex of stem. 

 Primary axis. 



Developing lateral root. 



Primary root (examine 36). 

 Growing point of root. 

 Root cap. 



