404 THUJA. 



■with small, scale-like leaves; Scales mostly six in numbef, 

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

 and divided to the base, and each containing two seeds. Seeds 

 very small, surmounted hy a short wing, emarginate at the end. 

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

 to fifty feet high,, furnished to the ground with loose, spreading 

 branches, and 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 augentea, Oamhre. 

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

 intermixed with the ordinary ones on the plant. 



Thuja Occidentalis compacta, R. Smith, the Compact 

 American Arbor- Vitffi. 

 This variety is conical in outline, very compact in its 

 growth, and appears to be intermediate between the Ameri- 

 can and Siberian Arbor Vitses. It originated in the nursery 

 of Mr. Eichard Smith, of Worcester. 



Thuja Occidentalis ceistata, Gripps, the Crested Arbor- 



Vitee. 

 A distinct variety with small, deep green, closely arranged, 

 spreading branchlets of various sizes, frequently recurved, and 

 cock's-comb shaped, towards the ends of the branches. 



Thuja Occidentalis densa, Gordon, the Bagshot Park 

 Arbor- Vitse. 

 Syn. Thuja compacta, Standish, not Smith. 

 „ „ Caucasica, Hart. 

 A fine, dense, conical bush, with short, -stout, compact 

 branches, and horizontal, flat, fan-shaped branchlets of a rich 

 glossy colour, regularly imbricated with ovate, compressed, 

 glossy-green leaves, arranged in four rows. 



