ENUMERATION OF CONIFERS 



239 



stomatic bands, on the back with whitish depressions near the base: cones 

 ^ inch across, the scales thickened, with a large acute process on back. 



3. A. cupressoides, D. Don (A. imbricata, Maule. Cunninghamia cupressoides, 

 Zucc). Tree reaching 40 feet, with ascending branches: leaves rhombic - 

 ovate, broad and obtuse, with translucent denticu- 

 late margin, H~K ^^'^^ long, thick and keeled, 

 closely appressed to the branches: cones f-/^ inch 

 across, the scales rounded at top and bearing a tri- 

 angular recurved process in the middle. 



16. CRYPTOMERIA, D. Don. CRYPTOMERIA 



Evergreen pyramidal tree with a straight slender 

 trunk covered with reddish-broTVTi bark, and with 

 irregularly whorled spreading branches ascending 

 at the extremities: leaves spirally arranged, linear- 

 subulate, acute, slightly curved, decurrent at the 

 base: flowers monoecious; staminate flowers axillary, , 

 oblong, yellow, forming short racemes at the end 

 of the branches; pistillate globular, solitary, at the 

 end of short branchlets: cone globular, with thick, 

 wedge-shaped scales, furnished with the recurved 

 point of the adnate bract on the back and with 

 pointed processes at the apex, each scale with 3-5 

 narrow- winged, erect seeds; cotyledons usually 3, 

 rarely 2. (Name derived from Greek kryptos, hidden, 

 and meros, part; meaning doubtful.) — Only one 

 species is known. 



C. japonica, D. Don. Common C. Fig. 60. Tree 

 attaining 125 feet in height; bark cinnamon-brown 

 peeling off in long ribbon-like shreds: leaves linear-subulate, compressed 

 and slightly 4- or 3-angled, bluntly keeled on the dorsal and sharply 

 keeled on the ventral side, bluish-green, 3^-1 inch long: cone brownish- 

 red, ^-1 inch across. In central and southern Japan and doubtfully 

 native to China. — It is much planted in Japan and China as an ornamen- 

 tal and as timber trees m the former comitrj% where the light and easily 

 worked but durable wood is much used. It was first introduced in its 

 Chinese form to Great Britain in 1842 and perhaps a few years earlier to 

 Petrograd. It has proved hardy as far north as New York and in sheltered 

 positions in the neighborhood of Boston. 



The tj'pe has been distinguished as var. japonica, Henry. A pyramidal 

 tree with straight spreading branches and short, stout, dark green leaves : cone- 



Crypi 



omeria japonica. 



