324 THUJA ; OR 



pointed, closely imbricated and flattened, thickly pressed alonj^ 

 the branchlets, in four rows, and with an elevated gland on the 

 back of the upper and under ones, which are the broadest, 

 while the marginal ones lap over on both sides ; those on the 

 older branches are more distant, acute, extended at the points, 

 decurrent, and of a dull yellowish green, strongly scented when 

 bruised. Branches, distant, horizontal, and irregularly scat- 

 tered along the stem ; smaller ones drooping, and twisted in 

 various directions ; branchlets, spread out laterally, numerous, 

 two-edged, alternate, short, flattened, ramified, and covered with 

 numerous small leaves of a bright shining green colour. Cones, 

 obovate, four lines long, solitary, on short footstalks, covered 

 with small, scale-like leaves. Scales, mostly six in number, 

 oblong, spreading at the points, centre one truncate and divided 

 to the base, each containing two seeds. Seeds, very small, 

 surmounted by a short wing. 



A large bush or tree, growing in its native country from 

 forty to fifty feet high, covered to the ground with loose, 

 spreading branches, found in most parts of North America, 

 from Canada to the Mountains of Virginia and Carolina, but 

 rather scarce in the Southern States, and only on the banks of 

 mountain streams. It is found abundantly on the Hudson, and 

 very common in Lower Canada, New Brunswick, Vermont, and 

 the district of Maine. There are the following varieties ; — 



Thuja Occidentalis variegata, Loudon. 

 Syn. Thuja variegata. Marsh. 



This only differs in having some of the branchlets of a pale 

 yellow colour, intermixed with the ordinary light green foliage 

 on the plant. 



Thuja Occidentalis argentea, Carriere. 



This has some of the branchlets of a silvery white colour, 

 intermixed with the ordinary foliage on the plant. 



