G. 104] 



CLASSIFICATION AND DESCRIPTION 



195 



scales having recurving, horn-like tips. 

 Of this species there are as many vari- 

 eties sold as of number one, and nearly 

 the same varietal names are used; but 

 it is not so good a species for general 

 cultivation in this country. 



Var. flagelliformis, Jacq. (Weeping 

 Arbor-vitse), has very slender, elon- 

 gated, weeping branches, curving 

 gracefully to the ground. It is a beau- 

 tiful variety, often cultivated (a single 

 stem is shown in the figure). 



GENUS 104. CHAHLSJCYPARIS. (THE CYPRESSES.) 



Strong-scented, evergreen trees with very small, scale- 

 like or somewhat awl-shaped, closely appressed (except 

 in some cultivated varieties), overlapping leaves and 2- 

 ranked branchlets, almost as in Thuya. Cones globular, 

 with peltate, valvate scales, firmly closed till ripe; the 

 scales thick and pointed at the center. 



* Native trees ; leaves light glaucous-green 1. 



* Cultivated trees from Western America; leaves dark green. (A.) 



A. No tubercle on the backs of the leaves 2. 



A. Usually a tubercle on the back 3. 



* Cultivated small trees and shrubs from Japan (called Betinos- 



pora) 4. 



1. Cb.ameecy'paris sphseroidea, Spach. (WHITE CEDAR.) Leaves 

 very small, triangular, awl-shaped, regularly 

 and closely appressed in 4 rows, of a light 

 glaucous-green color, often with a small 

 gland on the back. Cones very small, % in. 

 in diameter, of about 6 scales, clustered. 

 Tree 30 to 90 ft. high, wild in low grounds 

 throughout; abundant in Middle States. 

 With reddish- white wood and slender, spread- 

 ing and drooping sprays ; bark fibrous, shred- 

 c. sphseroidea. dv ; sometimes cultivated. 



2. Chameecjrparis Nutksfensis, Lambert. (NOOTKA SOUND CY- 

 PRESS. ) Leaves only Ifi in. long, sharp-pointed, and closely ap- 



