Trees 



EVERGREEN AND CONE-BEARING TREES: 



Strictly evergreen, i.e., with foliage the entire year: 



leaves 2-5-clustered {i.e., growing from same point on 



stem), slender, needle-like, I'-io'long: 151-158 

 leaves not clustered, growing from separate points, but 

 very short (y^'-3^') ; 

 roundish or 4-angled, stiff, apex sharp : 159-162 

 flat, pliant : 163-165 

 leaves ex^reme/y small (-,V'-X'), scarcely recognizable as 

 leaves, flat and roundish, or awl-shaped and prickly : 

 the branches with the closely appressed (when blunt) 

 leaves forming more or \q^^ flat sprays : 166-168 

 Not evergreen, losing all foliage in autumn, but cone-bear- 

 ing; leaf y.'-\\ either needle-like, or flat and nar- 

 row: 169, 170 



183 



