CHAPTER XXVII 



THE CONIFERS (aYMNOSPERMS) 



266. General Characteristics. — In passing from the ferns 

 to the conifers, usually known as evergreens, we go from a 



Figure 406. — Conifers. 

 At center and left. Note their undivided trunks. 



lower to a higher order of plants. With the exception of 

 the corn and bean, none of the plants studied up to this 



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