

HAMAECYPARIS 43 



CHAMAECYPARIS Spach (Cupressaceae) 



Strong-scented evergreen trees with very small scale-like 

 closely appressed overlapping leaves, 2-ranked branchlets, and 

 subglobose cones with thick peltate scales. 



1. _C_. thyoides (L. ) BSR White Cedar . A tree to 25 m. 

 high, 3-4 dm. in diameter; bark thin, ashy-gray to reddish-brown; 

 leaves minute, pale, often bearing a small gland, closely imbri- 

 cated in 4 rows; cones small, 6-9 mm. in diameter, with about 

 3 pairs of scales. Swamps, in the coastal plain, from Mississippi 

 and Florida north to Maine (Fig. 20). 



JUNIPERUS L. • (Cupressaceae) 



Evergreen trees or shrubs with opposite or whorled scale- 

 like sessile leaves, commonly of 2 sorts, those of the young bran- 

 ches linear, often spreading, on the older branches scale-like, 

 closely appressed and overlapping. Cones of 3-6 fleshy coalescent 

 scales, when mature forming a sort of berry, light blue and glau- 

 cous. 



a. Leaves in whorls of 3 1. J. communis 



a. Leaves mostly opposite 



b. Prostrate shrub; cones 6-10 



mm. in diameter 2. J. horizontalis 



b. Upright shrub or tree; cones 



5-6 mm. in diameter 3. J. virginiana 



1, jL communis L. Common Juniper. A low decumbent 

 shrub (in the var. depressa Pursh) or small tree, 2-10 m. high, 

 with pyramiidal or columnar form; bark dark reddish-brown, scaly; 

 leaves thin, straight, 12-21 mm. long, widely spreading, grayish 

 above, sharp-pointed; cones subglobose, 5-10 mm. in diameter. 

 Dry soil, pastures, etc. , Greenland to Alaska, south to California, 

 Wyoming, Ohio, and the mountains of Georgia (Fig. 21). 



2, J. horizontalis Moench. Creeping Savin . Creeping Juniper . 

 A procumbent, prostrate or creeping shrub; leaves scale-like, 

 sharp-pointed; cones 6-10 mm. in diameter, on a short peduncle. 

 Rocky or sandy banks and bogs, Newfoundland to Alaska, south to 

 Wyoming, Illinois, and New York (Fig. 22). 



3, _J. virginiana L . Red Cedar. A tree 15-25 m. high (or 

 sometimes only a small tree or shrub), pyramidal in form; bark 

 thin, peeling off in long strips, reddish-brown; leaves mostly op- 

 posite, those on the young twigs subulate, spiny- tipped, 4-8 mm. 



