424 ADDENDA. 



Cupressus Goveniana glaucescens, Hort., the Glaucescent 



Gowen's Cypress. 



This remarkable variety was raised by M. Sahut, of Mont- 

 pelier, and is distinguished from the original bright-green form 

 of the species by its more robust habit and grosser branchlets, 

 and by the characteristic glaucescence of all parts of the plant, 

 which has a hoary- blue tint very rare in cypresses. 



It is in the nursery of Mr. Smith, at "Worcester. 



Cupressus Lawsoniana alba spica (Young's Variety). 



This is a fine free-growing variety, of a bright green colour, 

 with the lesser spray thickly speckled all over with white 

 leaves, which have the appearance of countless white specks, 

 and which renders the plant very attractive during the sprino- 

 and summer months. 



It was raised in Mr. Young's nursery, at Milford, and is a 

 very different kind from the one generally known under the 

 name of alba spica. 



Cupressus Lawsoniana alba spica nana, Hort, the Dwarf 

 Silvery White Lawson's Cypress. 

 Syn. Cupressus Lawsoniana alba nana, Hort. 

 This is a dwarf, compact-growing variety, with the points of 

 the young wood of a beautiful silvery white colour. 



A very elegant and distinct variety, of continental origin. 



Cupressus Lawsoniana ccerulea, Hort, the Blue Lawson's 



Cypress. 



This is a fine, compact, close growing variety, with the foliage 

 of a bluish-green colour, shaded with gray. It is a distinct, 

 continental production, which always retains the blue tint. 



Cupressus Lawsoniana elegantisslma, Barron, the Very Ele- 

 gant Lawson's Cypress. 

 This is a remarkable fine variety, raised by Mr. Barron, of the 

 Elvaston Nursery, which has not only the young leaves, but the 

 young wood of a beautiful canary colour, and which colour is 



