Trees, Shrubs and Vines 



1 66. Arborvitae (White Cedar). (Thuya occidentalis.) 

 Leaf : extremely small (scarcely ^' long), scale-like, closely 

 appressed to stem, roundish or ovate ; branches growing \n flat- 

 tened, fan-like sprays; aromatic when crushed. Cone: about ^' 

 long, oval to roundish, 6-10 scales, seeds broad-winged. Penn- 

 sylvania and northward ; near water. (PI. XV.) 



167. Cypress. White Cedar. (Chamaecyparis thyoides.) 



Leaf : much as in 166, but smaller, dull green, sharp-pointed 

 or ovate, and "sprays" much more delicate. Cone: lobular, 

 X' diameter. Maine, southward along coast. (PI. XV.) 



168. Red Cedar. Savin. (Juniperus virginiana.) 



Leaf : of two forms : flat and closely appressed to branch, as 

 in arborvitae (but smaller, -j-^^' long), or awl-shaped, ver}- sharp- 

 pointed, prickly and divergent from branch. %' long ; in vigorous 

 tree-branches and in shrubs it is mostly of the latter sort ; in older 

 growth, of the former ; dark green. Cone : berr}--shaped, ^'- 

 )A^ diameter, blackish with white bloom ; tall, spiry tree, and shrub. 



169. Larch. Tamarack. Hackmatack. (Larix americana.) 



Leaf: i', more or less, needle-like, '\n fascicled clusters, i.e.^ 

 so crowded as to appear in a dense cluster or whorl ; in early 

 spring ; deciduous ; bright green when young. Cone : >^'-^'. 

 Pennsylvania to Wisconsin, and north. The European larch, 

 which is the one usually cultivated, has longer leaves and cones. 

 (PI. XV.) 



170. Bald Cypress. (Taxodium distichum.) 



Leaf : %'-}(', narrow, flat, thin, 2-ranked, late in May, decid- 

 uous, as are also some of the branchlets. Cone : globular, i' di- 

 ameter. Delaware to southern Illinois, and south ; planted 

 north. (PI. XV.) 



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