Laboratory Work . 

 Protection . 



Thick stem — Cedar and Laurel. 



Hairs — I'/fullein, Artemesia. 

 Colorsr — Physical conditions. 



(Degenerations of chloroplasts. ) 



Flowers — Red and yellow leaves. 

 Aland s. 



Mint, St. Johnswort. (depressed) 



Rose calyx (stalk gland). 

 Hvdathoaes. 



Any leaf teeth. 



Leaf Mov ement . ( stomata) . 



Tubercles . 



Mvcnrhiga. 



Orchid roots^Jllabenaria 

 -^Goodyear i a 



