EXERCISE 35. EARLY GROWTH OF THE BARLEY 

 PLANT 



Equipment: For this exercise make the same prepara- 

 tion as that described in Exercise 15. 



Awn 



Glume 

 Empty Glume 



Fig. 33.— Different Types of Barley. A, Two-rowed. B and C, Three - 

 rowed. D, Hooded and E, Parts of the Spikelet. (After Lyon 

 and Montgomery.) 



Method : Follow the direction given for corn in Exer- 

 cise 15. 



Discussion: Russia is the leading country in the pro- 



84 



