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Libocedrus decurrens, Torr. (L. Craigana, Low. Thuya Craigana, Murr. T. gigantea, Carr., not Nutt.). White Cedar. Tree, to 100, occasionally to 200 ft., with erect or spreading, short branches, forming a rather narrow, feathery head: bark bright cinnamon-red: branchlets much flattened, bright green on both sides: leaves oblong-ovate, adnate, with long decurrent base, free at the apex and acuminate, glandular on the back: cones oblong, 3/4 -l in. long, light reddish brown; scales mucronate below the apex, a third connate pair separating the 2 fertile ones. Ore. to Calif, and W. Nev. —In culture the young trees are conspicuous by their bright and deep green foliage, while the trees in their native localities are mostly of a light yellowish green. Var. compacta, Beissn. Dwarf compact form of globose habit. Var. glauca, Beissn. With glaucous foliage. Var. aureo-variegata, Schwerin. Foliage variegated with yellow.
Libocedrus decurrens, Torr. (L. Craigana, Low. Thuya Craigana, Murr. T. gigantea, Carr., not Nutt.). White Cedar. Tree, to 100, occasionally to 200 ft., with erect or spreading, short branches, forming a rather narrow, feathery head: bark bright cinnamon-red: branchlets much flattened, bright green on both sides: leaves oblong-ovate, adnate, with long decurrent base, free at the apex and acuminate, glandular on the back: cones oblong, 3/4 -l in. long, light reddish brown; scales mucronate below the apex, a third connate pair separating the 2 fertile ones. Ore. to Calif, and W. Nev. —In culture the young trees are conspicuous by their bright and deep green foliage, while the trees in their native localities are mostly of a light yellowish green. Var. compacta, Beissn. Dwarf compact form of globose habit. Var. glauca, Beissn. With glaucous foliage. Var. aureo-variegata, Schwerin. Foliage variegated with yellow.
L. chilensis Endl. Tree, to 60 ft., with compact, pyramidal bead: branchlets much compressed: leaves glaucous green, small, erect-spreading, obtuse, with a silvery line beneath: cones ovate-oblong, 1/2 in. long. Chile. —L. cupressoides Sarg. (L. tetragona, Eudl.). Tree, to 100 ft., with compact, pyramidal head, sometimes shrubby: branchlets almost tetragonal: Leaves ovate or ovate-lanceolate, with slightly spreading and acute apex: cones ovate; scales with a large, curved spine on the back. Chile to Patagonia. —L. Doniana, Endl.~ L. plumosa.—L. macrolepis, Benth. & Hook. Tree, to 100 ft.: branchlets compressed, green on both sides: leaves acute, the lateral strongly keeled, the middle ones obovate, apiculate: cones obovate-oblong, 1 in. long, consisting of 6 truncate scales. W.China. —L. plumosa, Sarg. (L. Doniana, Endl.). Tree, to 100 ft., with dense, pyramidal head; similar to the former, but leaves larger, more closely set and more spreading, without any silvery line beneath: scales of the cone with a large, curved spine on the back. New Zeal. This species is the most tender of this genus.— L. tetragona. Endl. ~ L. cupressoides.
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