24/56 



AKBORETUM AND FRUT1CI.TUM. 



I'ART III, 



2311 



hood of London are at Syon, where it is between 25 ft. and 30 ft. high. At 

 Pain's Hill, in a moist bottom near the water-wheel, there is a tall erect tree, 

 between 30 ft. and 40 ft. high ; and, in Studley Park, the spreading tree of 

 winch ^/Jg. 2314. is a portrait to the scale of 1 in. to 12 ft., is 45 ft. high, with a 

 head 40ft. in diam. This remarkable tree has no main trunk, but divides into 

 several large limbs near the ground. Another tree in the same park, of which 

 fig. 2313. is a portrait to the scale of 1 in. to 24 ft., is, on the contrary, 50 ft. 

 high, with the side branches small like those of a larch. 



Geography and History. The Thuja occidentals is found in North Ame- 

 rica, from Canada to the mountains of Virginia and Carolina. According to 

 Pursh, it is rather scarce in the southern states, and is only found there on 

 the steep banks of mountain torrents. Michaux states that it is found on the 

 Hudson in abundance, and near the Rapids of the Potomac, in Virginia. 

 Goat's Island, round which the Niagara divides itself to form the stupendous 

 cataract so universally admired, is bordered with trees of 71inja occidentalis. 

 Mr. M'Nab, in 1834 (see p. 182.), found it in abundance in these habitats, and 

 in various other places between New York and Canada. In Canada, and in 

 the northern parts of the United States, it is called the white cedar ; but in 

 the district of Maine it is more commonly known as the arbor vitse. In 

 Lower Canada, New Brunswick, Vermont, and the district of Maine, the 

 arbor vitae is the most abundant of the resinous trees, after the black and the 

 hemlock spruces. A cool soil seems to be indispensable to its growth. It is 

 never seen on the uplands among the beeches, the birches, &c., but is found 

 on the rocky edges of the innumerable rivulets and small lakes which are 



