216 COMMON CANADIAN WILD PLANTS. 



Leaves as in No. 1. Cones hanging, deciduous, the scales 

 with thiokisli edges. — Swamps and cold -woods. 

 3. TSIT'GA, Carriire. Hemlock. 

 T. Canadensis, Carr. , {Abies Canadensis, Michx.) (Hem- 

 lock Spruce.) Leaves flat, lighter beneath, pointing out in 

 two directions, i.e., -right and left on each side of the branch, 

 obtvTse. Cones hanging, persistent. — Hilly or rocky woods. 

 1. A'RIGS, Link. FiB. 

 A. balsa'mea. Miller. (Balsam Fir.) Leaves flat, the 

 lower surface whitish and the midrib prominent, crowded, 

 pointing mostly right and left on the branches. Cones erect 

 on the upper sides of the branches, violet-coloured, the scales 

 slender-pointed. — Damp woods and swamps. 

 5. KAKIX, Tourn. Lakch. 

 L. America'na, Michx. (American Larch. Tamarac.) 

 A slender and very graceful tree with soft leaves in fasci- 

 cles, falling off in autumn. — Swamps. 



G. THUJA, Tourn. Arbor Vit^e. 

 T. oeeldenta'lls, L. (American Arbor Vit^.) The well- 

 known cedar of cedar-swamps. — Common. 

 T. JliSir'ERBS, L. JnsiPEK. 



1. J. eommu'nls, L. (Common Jcniper.) A spreading 

 shrub with ascending stems, growing on dry hill-sides. 

 Leaves in whorls of 3, whitish above, priokly-pointed, 



2. J. Virginia'na, L. (Eed Cedar.) A shrub or small 

 tree with mostly opposite leaves of two forms, viz. : awl- 

 shaped ^,nd loose, and scale-shaped and appressed. Fruit 

 small, erect. Wood red and odorous. — Dry sterile soil. 



3. J. Sabi'na, L., var. ppoeumbens, Pursh. A procum- 

 bent or creeping shrub with two sorts of leaves, awl-shaped 

 and scale-shaped, the latter acute. Fruit on* short recurved 

 peduncles. — Eooky banks and margins of swamps. 



8. TAXBS, Tonrn. Tew. 

 T. baeea'ta, L., var. Canadensis, Gray. (American 

 Yew. Ground Hemlock.) A low straggling shrub. Leaves 

 green on both sides. Berry glohular, red. 



