. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE CXXIII. CATALPA 1. A panicle of flowers, x i- ,^ , „^ , *, i . 2. A )»rHiicli with two (Iroopiug cigar-like friiits, the one split open slutwiiig the seeds, x J. 3. A winged seed, x i. 4. A winter twig, x J. See Plate II. 217 CATALPA Catalpa bignonioides, Walter FAMILY AND GENUS DE8CKIPTI0N—This trt>« belong to the Blgnonia family. Bignoni- aceae, which comprises about 100 genera with species. M.^st of the representatives of this family occur in the tropics; only a ftw ure found in the temperate zone
. Bulletin (Pennsylvania Department of Forestry), no. 11. Forests and forestry. PLATE CXXIII. CATALPA 1. A panicle of flowers, x i- ,^ , „^ , *, i . 2. A )»rHiicli with two (Iroopiug cigar-like friiits, the one split open slutwiiig the seeds, x J. 3. A winged seed, x i. 4. A winter twig, x J. See Plate II. 217 CATALPA Catalpa bignonioides, Walter FAMILY AND GENUS DE8CKIPTI0N—This trt>« belong to the Blgnonia family. Bignoni- aceae, which comprises about 100 genera with species. M.^st of the representatives of this family occur in the tropics; only a ftw ure found in the temperate zone. Tliey occur as trees. Bhmba, woody climbers, and rarely as herbs. North America has only 6 genera with 8 species In Its flora and Pennsylvania 3 genera Milh 3 species. The genus Catalpa is the only one which has tree representatives occurring rather frequently in this State. This genus comprises about 7 species In the world, of which number 2 are native to North America. No representative of this genus is native to Pennsylvania but 1 species lias been naturalized po extensively In every l>art of the State, that a description of it in this publication was considered desirable. FORM—Usually 25-40 ft. high but may reach a height of 60 ft. with a diameter of 3 feet. Trunk usually short, crooked, often angular, and unattractive. Crown high, broad, and rather symmetrical in appearance in summer, due to the dense foliage. BAKK—^Light brown, rather thin, simllowly-ridged, scaly, bitter. TWICW—Stout, smooth, or slightly downy, yellowish-brown, usually frozen back in the north, covered with numeroua large lenticels, roughened by leaf-scars. Pith large, white, sometimes chambered at the nodes. See Plate II, 2. BTTDS—Terminal bud usually absent. Lateral buds small, almost imbedded in bark, usually less than i of an inch long, covered with 5-0 visible, small, brown bud-scales. LEAVES—Opposite or whorled, 1. e., more than two at a node, simple, 6-10 Inches long, 4-5 inch
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