212 THE CULTIVATED EVERGREENS 



A. Lateral leaves not much larger than the facial ones, both of 

 about equal length on the main axis. 

 B. Branchlets not distinctly pinnately arranged, compressed, 



slender, glandular, bluish-green 1. C. thyoides 



BB. Branchlets pinnately arranged in one plane. 



c. Leaves dark green, not glandular, without white markings 



below: branchlets nearly 4-sided, stout 2. C. noothatensis 



cc. Leaves with glaucous or whitish markings below: branch- 

 lets flattened 3. C. pisifera 



AA. Lateral leaves much larger than the facial ones, longer than the 

 latter on the main axis, all closely appressed. 

 B. Leaves obtuse, not glandular, lustrous dark green above, 



with distinct white markings below 4. C. ohtusa 



BB. Leaves acute or acutish, glandular, bright green or more or 

 less glaucous, the white markings below sometimes in- 

 distinct 5. C. Lawsoniana 



1. C. thyoides, Britt. (C. 



sphoeroidea, Spach. Ciipressus 



thyoides, L.). White-Cedar. Fig. 



35. Tree to 70 or 80 feet, with 



erect-spreading' branches; trunk 



with reddish-brown fissured bark 



divided into flat connected 



'^'^^^^^ Ji ridges; branchlets irregularly 



^^^^^^^m arranged, spreading, not pen- 



~" ''^'^tR^S. dulous, very thin and slender, 



flattened: leaves closely imbri- 



<v-K3«ii»^ cate on the leading shoots, 



35. Chamsecyparis thyoides. .^/^ spreading at the apex, acute, 



keeled, glaucous or light green, 

 with a conspicuous gland on the back, fragrant: cones small, 3^ mch dia- 

 meter, bluish-purple, with glaucous bloom; seeds 1 or 2, with wings as broad 

 as the seed. From Maine southward near the coast to Florida and west to 

 Mississippi. — Introduced to Great Britain in 1736. The least ornamental 

 and the hardiest of the species, being hardy as far north as Canada. 



Var. variegata, Sudw. (Cupressus thyoides variegata. Loud.). Varie- 

 gated White-Cedar. Branclilets partially colored golden-yellow. 



Var. glauca, Sudw. (C. sphwroidea glauca, Endl. var. kewensis, Hort.). 

 Blue White-Cedar. Of compact habit, very glaucous, with silvery hue. 



Var. andelyensis, Schneid. (C. sphoeroidea andelyensis, Carr. C. leptoclada, 

 Hochst. Retinispora leptoclada, Hort., not Zucc). Andely Retinispora. 

 Intermediate form between the following varieties and the type; bluish-green 

 and of erect growth, with loosely appressed lanceolate leaves; often some 

 branchlets with leaves of the type and some with leaves of the var. ericoides. 



