Conifers and Taxads 65 



alba, aurea, argentea, lutea, Ellwangeriana, dense growing; Hoveyi, 

 roundish and compact; Vervceneana, slender and golden tinted; and others. 



T. (Biota) orientalis, from China, is somewhat variable in habit, and 

 has many pretty varieties having silver, gold, blue-green, and variegated 

 foliage (argentea, aurea, glauca, variegata), and others differing in habit, 

 such as compacta, gracilis, elegantissima, pyramidalis, &c. The Weeping 

 Arbor Vitas, pendula. has drooping thread-like branchlets. 



T. dolabrata (better known as Thujopsis) is a fine Japanese tree, with 

 drooping flattened branches. The variety Icetevirens is a dense-growing 

 bush, 4-6 ft. high, excellent for hedge purposes; and the variety variegata 

 has pale-yellowish branchlets. 



Toppeya. This genus contains a few strong-smelling Yew-like ever- 

 greens, of which the best known are californica (or Myristica), grandis, 

 nucifera, and taxifolia the last-named being known as the Stinking 

 Cedar of Florida. 



Tsug*a. The members of this genus are usually known either as Abies 

 or Picea. The best known are the Hemlock Spruce (T. canadensis), 70- 

 110 ft. in a native state, with feathery branches. There are several 

 varieties. Prince Albert's Spruce (T. Mertensiana), a graceful tree; and 

 T. Pattoniana, all from North America; and T. Sieboldi, from Japan. 

 The Tsugas are recognized by the silvery whiteness on the under surface 

 of the leaves. 



VOL. IV. 50 



