Evergreen trees, similar to the Thujas, with minute opposite appressed 4-ranked scalelike leaves, or those of older twigs subulate, and small monoecious terminal aments. Stami-nate aments as in Thuja, but the filaments broader and shield-shaped. Ovule-bearing aments globose, their scales opposite, peltate, each bearing 2-5 erect ovules. Cones globose, the scales thick, peltate, each bearing 2-5 erect seeds, closed until mature, each with a central point or knob. Seeds winged. [Greek, meaning a low cypress.]

. About 6 species, the following of the eastern United States, 2 in western North America, the others Asiatic. Type species: Chamaecyparis sphaeroidea Spach.

8 Chamaecyparis Spach Hist Veg 11 329 1842 153

1. Chamaecyparis Thyoides (L.) B.S.P. Southern White Cedar

Fig. 153

Cupressus thyoides L. Sp. PI. 1003. 1753. Chamaecyparis sphaeroidea Spach, Hist. Veg. 11: 331.

1842. Chamaecyparis thyoides B.S.P. Prel. Cat. N. Y. 71.


A forest tree, reaching a maximum height of about 90 and a trunk diameter of 4 1/2°. Leaves of the ultimate branchlets ovate, acute, scarcely i" wide, those of the lateral rows keeled, those of the vertical rows slightly convex, each with a minute round discoid marking on the centre of the back, those of the older twigs narrower and longer, subulate; cones about 3" in diameter, blue, each of their closely fitting scales with a small central point; seeds narrowly winged.

In swamps, southern Maine and New Hampshire to northern New Jersey, south to Florida and Mississippi, mostly near the coast. Wood soft, weak, close-grained, light brown; weight per cubic foot 21 lbs. April-May. Called also Post or Swamp Cedar, Juniper.