12. CHAMÆCYPARIS.

Tall resinous pyramidal trees, with thin scaly or deeply furrowed bark, nodding leading shoots, spreading branches, flattened, often deciduous or ultimately terete branchlets 2-ranked in one horizontal plane, pale fragrant durable heartwood, thin nearly white sapwood, and naked buds. Leaves scale-like, ovate, acuminate, with slender spreading or appressed tips, opposite in pairs, becoming brown and woody before falling, on vigorous sterile branches and young plants needle-shaped or linear-lanceolate and spreading. Flowers minute, monœcious, terminal, the two sexes on separate branchlets; the male oblong, of numerous decussate stamens, with short filaments enlarged into ovate connectives decreasing in size from below upward and bearing usually 2 pendulous globose anther-cells; the female subglobose, composed of usually 6 decussate peltate scales bearing at the base of the ovuliferous scales 2—5 erect bottle-shaped ovules. Fruit an erect globose cone maturing at the end of the first season, surrounded at the base by the sterile lower scales of the flowers, and formed by the enlargement of the ovule-bearing scales, abruptly dilated, club-shaped and flattened at the apex, bearing the remnants of the flower-scales as short prominent points or knobs; persistent on the branches after the escape of the seeds. Seeds 1—5, erect on the slender stalk-like base of the scale, subcylindric and slightly compressed; seed-coat of 2 layers, the outer thin and membranaceous, the inner thicker and crustaceous, produced into broad lateral wings; cotyledons 2, longer than the superior radicle.

Chamæcyparis is confined to the Atlantic and Pacific coast regions of North America, and to Japan and Formosa. Six species are distinguished. Of exotic species the Japanese Retinosporas, Chamæcyparis obtusa Endl., and Chamæcyparis pisifera Endl., with their numerous abnormal forms are familiar garden plants in all temperate regions.

Chamæcyparis is from χαμαί, on the ground, and κυπάρισσος, cypress.

CONSPECTUS OF THE NORTH AMERICAN SPECIES.

Bark thin, divided into flat ridges; Branchlets slender, often compressed; leaves dull blue-green, usually conspicuously glandular.1. [C. thyoides] (A, C). Branchlets stout, slightly flattened or terete; leaves dark blue-green, usually without glands.2. [C. nootkatensis] (B, G). Bark thick, divided into broad rounded ridges; branchlets slender, compressed; leaves bright green, conspicuously glandular.3. [C. Lawsoniana] (G).

1. [Chamæcyparis thyoides] B. S. P. White Cedar.

Cupressus thyoides L.

Leaves closely appressed, or spreading at the apex especially on vigorous leading shoots, keeled and glandular or conspicuously glandular-punctate on the back, dark dull blue-green or pale below, at the north becoming russet-brown during the winter, 1/16′—⅛′ long, dying during the second season and then persistent for many years. Flowers: male composed of 5 or 6 pairs of stamens, with ovate connectives rounded at apex, dark brown below the middle, nearly black toward the apex: female subglobose, with ovate acute spreading pale liver-colored scales and black ovules. Fruit ¼′ in diameter, sessile on a short leafy branch, light green, covered with a glaucous bloom when fully grown, later bluish purple and very glaucous, finally becoming dark red-brown, its scales terminating in ovate acute, often reflexed bosses; seeds 1 or 2 under each fertile scale, ovoid, acute, full and rounded at the base, slightly compressed, gray-brown, about ⅛′ long, with wings as broad as the body of the seed and dark red-brown.

A tree, 70°—80° high, with a tall trunk usually about 2 and occasionally 3°—4° in diameter, or northward much smaller, slender horizontal branches forming a narrow spire-like head, and 2-ranked compressed branchlets disposed in an open fan-shaped more or less deciduous spray, the persistent branchlets gradually becoming terete, light green tinged with red, light reddish brown during their first winter, and then dark brown, their thin close bark separating slightly at the end of three or four years into small papery scales. Bark ¾′—1′ thick, light reddish brown, and divided irregularly into narrow flat connected ridges often spirally twisted round the stem, separating on the surface into elongated loose or closely appressed plate-like scales. Wood light, soft, not strong, close-grained, slightly fragrant, light brown tinged with red; largely used in boat-building and cooperage, for wooden ware, shingles, the interior finish of houses, fence-posts, and railway-ties.

Distribution. Cold swamps usually immersed during several months of the year, often forming dense pure forests; near Concord, New Hampshire, southern Maine, southward only near the coast to northern Florida, and westward to southwestern Mississippi; most abundant south of Massachusetts Bay; comparatively rare east of Boston and west of Mobile Bay.

Occasionally planted as an ornamental tree in the eastern states and in the countries of temperate Europe.

2. [Chamæcyparis nootkatensis] Sudw. Yellow Cypress. Sitka Cypress.

Cupressus nootkatensis Lamb.

Leaves rounded, eglandular or glandular-pitted on the back, dark blue-green, closely appressed, about ⅛′ long, on vigorous leading branchlets somewhat spreading and often ¼′ long, with more elongated and sharper points, beginning to die at the end of their second year and usually falling during the third season. Flowers: male on lateral branchlets of the previous year, composed of 4 or 5 pairs of stamens, with ovate rounded slightly erose light yellow connectives: female clustered near the ends of upper branchlets, dark liver color, the fertile scales each bearing 2—4 ovules. Fruit ripening in September and October. nearly ½′ in diameter, dark red-brown, with usually 4 or 6 scales tipped with prominent erect pointed bosses and frequently covered with conspicuous resin-glands; seeds 2—4 under each scale, ovoid, acute, slightly flattened, about ¼′ long, dark red-brown, with thin light red-brown wings often nearly twice as wide as the body of the seed.

A tree, frequently 120° high, with a tall trunk 5°—6° in diameter, horizontal branches forming a narrow pyramidal head, stout distichous somewhat flattened or terete light yellow branchlets often tinged with red at first, dark or often bright red-brown during their third season, ultimately paler and covered with close thin smooth bark. Bark ½′—¾′ thick, light gray tinged with brown, irregularly fissured, and separated on the surface into large thin loose scales. Wood hard, rather brittle, very close-grained, exceedingly durable, bright clear yellow, with very thin nearly white sapwood; fragrant with an agreeable resinous odor; used in boat and shipbuilding, the interior finish of houses, and the manufacture of furniture.

Distribution. Islands of Prince William Sound, Alaska, and southward over the coast mountains of Alaska and British Columbia, and along the Cascade Mountains of Washington and Oregon to the northeastern slopes of Mt. Jefferson, extending eastward to the headwaters of the Yakima River on the eastern slope of the range; on Whiskey Peak of the Siskiyou Mountains in the southeastern corner of Josephine County, Oregon and about two miles from the California line; most abundant and of its largest size near the coast of Alaska and northern British Columbia, ranging from the sea-level up to altitudes of 3000°; at high elevations on the Cascade Mountains sometimes a low shrub.

Occasionally cultivated, with its several abnormal forms, as an ornamental tree in the middle Atlantic states and in California, and commonly in the countries of western and central Europe.

3. [Chamæcyparis Lawsoniana] Parl. Port Orford Cedar. Lawson Cypress.

Cupressus Lawsoniana A. Murr.

Leaves bright green or pale below, conspicuously glandular on the back, usually not more than 1/16′ long on lateral branchlets, on leading shoots often spreading at the apex, ⅛′ to nearly ¼′ long, usually dying, turning bright red-brown and falling during their third year. Flowers: male with bright red connectives bearing usually 2 pollen-sacs: female with dark ovate acute spreading scales, each bearing 2—4 ovules. Fruit clustered on the upper lateral branchlets and produced in great profusion, ripening in September and October, about ⅓′ in diameter, green and glaucous when full grown, red-brown and often covered with a bloom at maturity, its scales with thin broadly ovate acute reflexed bosses; seeds 2—4 under each fertile scale, ovoid, acute, slightly compressed, ⅛′ long, light chestnut-brown, with broad thin wings.

A tree, often 200° high, with a tall trunk frequently 12° in diameter above its abruptly enlarged base, a spire-like head of small horizontal or pendulous branches clothed with remote flat spray frequently 6′—8′ long. Bark often 10′ thick at the base of old trees and 3′—4′ thick on smaller stems, dark reddish brown, with 2 distinct layers, the inner ⅛′—¼′ thick, darker, more compact, and firmer than the outer, divided into great broad-based rounded ridges separated on the surface into small thick closely appressed scales. Wood light, hard, strong, very close-grained, abounding in fragrant resin, durable, easily worked, light yellow, or almost white, with hardly distinguishable sapwood; largely manufactured into lumber used for the interior finish and flooring of buildings, railway-ties, fence-posts, and boat and shipbuilding, and on the Pacific coast almost exclusively for matches. The resin is a powerful diuretic.

Distribution. Usually scattered in small groves from the shores of Coos Bay, southwestern Oregon, south to the mouth of the Klamath River, California, ranging inland usually for about thirty miles; near Waldorf, in Josephine County, Oregon, on the slopes of the Siskiyou Mountains, and on the southern flanks of Mt. Shasta, California; most abundant north of Rogue River on the Oregon coast and attaining its largest size on the western slopes of the Coast Range foothills, forming between Point Gregory and the mouth of the Coquille River a nearly continuous forest belt twenty miles long.

Often cultivated with the innumerable forms originated in nurseries, in the middle Atlantic states and California, in all the temperate countries of Europe, and in New Zealand.