18 



cones are so characteristic that it probably will need to be 

 included in any study of the evergreens. 



Arbor Yitce {Thuja occidentalis). — Easily recognized 

 among all the evergreens by the flattened, frond-like character 



A 



Design of Pitch Pine Needles. First Grade. 



of the foliage, the leaves being very small and suggestive of 

 closely appressed, imbricated scales. Bark of older parts of 

 the twigs somewhat shining, grayish brown. Cones small, 

 ovoid,. 5 inches long, with few obtuse scales, chestnut brown 



