TAXU8—TEUTA 165 



T. cuspidata, var. pygmsea. 



A minute narrowly oval bushling, with tightly com- 

 pressed ascending branches and branchlets, and leaves 

 shorter than the type. 



I have a specimen about 1 foot by 9 inches through. 



T. cuspidata, var. densa, Relider (Bailey, "Standard Cycl. 

 Hort.," vi., 3316, 1916). 



A very dwarf form of extreme rarity, of which I have 

 only young plants. There is a good specimen of this 

 form in the Arnold Arboretum, where it has made a very 

 compact round-topped bush, and Professor Sargent has 

 kindly given me its history. The Arboretum specimen 

 was obtained many years ago from the S. B. Parsons 

 Nursery in Flushing, Long Island, and is beheved to have 

 been imported direct from Japan by that firm. Professor 

 Sargent has only come across four plants of this form, and 

 informs me that Wilson did not meet with it in Japan. 

 It is considered to be one of the handsomest of all the 

 dwarf conifers in the Arboretum. 



THUYA, Toum. 



Thuya occidentalis, L. (1753). 



Syn. : T. odorata, Marsh (1785). 



The American Arbor vitce has been cultivated in Europe 

 for over 400 years, so it is not surprising that the number 

 of its seedling variations and sports is exceptionally 

 large. Coming as it does from Eastern North America, 

 from the St. Lawrence to Virginia and North Carohna, it 

 is exceptionally hardy, and would be indispensable in 

 cold chmates were it not for its habit of changing its colour 

 in winter from green to a rusty brown. This greatly 

 detracts from its value as an ornamental tree, but for- 

 tunately in some of its varieties this change is not so 

 marked, and in others it is absent. The leaves of the 



