CONIFERiE 



GIGANTIC ARBOR-VITiE, Thuya plkata. 



Parks, gardens. April. A fine graceful tree, which does well on exposed 

 ground. 



Flowe7's monoecious ; 31ale catkins oval ; Females solitary and terminal 

 Fruit a cone, solitary at extremities of small branchlets, \ in. long, oval, 

 tapering both ends, scales tapering, rounded or obtuse at apex ; seeds in 

 twos at base of scales, little shorter than wings. 



Leaves in alternate opposite pairs, scale-like, closely imbricated, without 

 gland on back, those on branches distant, decurrent, acute, on branchlets 

 very flat, in 4 rows, short, rounded, spiny pointed, glossy green above, 

 silvery beneath. 



An evergreen tree, 50-150 ft. ; Branches spreading, flat, horizontal, scattered, 

 slender, deep brown ; branchlets crowded, flattened, 2 rowed, slender, flexible, 

 straight, undivided ; Wood fine-grained, yellow, soft, easily worked, moderately 

 durable. 



Introduced from N.W. America, 1851. Syns. T. gigantca (Nutt.), T. 

 Lobbi, and T. 3Ienziesii of gardens. 



HATCHET-LEAVED ARBOR-VIT.E, Thuyn dolabrata. 



Parks, gardens. April, May. Prefers cool, moist soil and shade ; hardy 

 in south of England ; must be sheltered from cold winds. 



Flowers moncecious, solitary and terminal ; Fruit a cone, sessile and 

 terminal, ovate, squarrose, small, J in. diam., scales 8-10, woody. 



Leaves in 4 rows, decussate, scale-like, broad, thick, ovate, rounded at 

 point, hatchet-shaped, adpressed, imbricated, flat, furrowed along middle, 

 margins concave, deep shining green above, silvery-white beneath. 



An evergreen tree, 40-50 ft.; pyramidal; Branches vertical, pendulous 



at ends ; Inaiichlcts 2-rowed, 2-edged, alternate, flattened. 



Introduced from .[a])an, ISOl. Syn. Thiiijopsis dohdirata. 



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