. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Botany. 664 CORNACEAE. Vol. II. 2. CYNOXYLON Raf. Alsog. Amer. 59. 1838. [Benthamidia Spach, Hist. Veg. 8: 109. 1839.] Trees, with opposite petioled pinnately veined leaves and small perfect yellowish or greenish flowers in heads subtended by a conspicuous involucre of 4 to 6 large white or pink bracts. Calyx 4-lobed; corolla of 4 valvate petals; stamens 4, with slender filam
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Botany. 664 CORNACEAE. Vol. II. 2. CYNOXYLON Raf. Alsog. Amer. 59. 1838. [Benthamidia Spach, Hist. Veg. 8: 109. 1839.] Trees, with opposite petioled pinnately veined leaves and small perfect yellowish or greenish flowers in heads subtended by a conspicuous involucre of 4 to 6 large white or pink bracts. Calyx 4-lobed; corolla of 4 valvate petals; stamens 4, with slender filaments and elliptic anthers; ovary sessile, 2-ceHed; style terminated by the depressed stigma; ovules : in each cavity of the ovary, pendulous. Fruit with thin acrid flesh, surmounted by the , the stone 2-seeded; seeds oblong; endosperm fleshy; embryo straight. [Greek, dogwood.] Two species, the following typical one, and C. Nuttallii, of northwestern America. I. Cynoxylon floridum (L.) Raf. Flowering Dogwood. Fig. 3189. Cornus florida L. Sp. PI. 117. 1753. floridum Raf.; Britton & Shafer, N. A. Trees 744. 1908. A small tree, or large shrub, with very rough bark and spreading branches, reaching the maximum height of about 40° and trunk diameter of i*°. Leaves petioled, ovate, or oval, rarely obovate, entire, pale and slightly pubescent on the veins beneath, dark green and gla- brous, or minutely pubescent above, 3'-6' long, acute at the apex, usually nar- rowed at the base; petioles 3"-io" long; bracts of the involucre white or pinkish (rarely rose-red), very conspicuous, obo- vate, obcordate, or emarginate, strongly parallel-veined, l'-2^' long; flowers greenish-j'ellow, capitate; fruit ovoid, scarlet, 5"-6" long, crowned with the persistent calyx; stone smooth, chan- neled, ovoid, 3"-4" long. In woods. Maine and Ontario to Florida, Minnesota, Kentucky. Kansas and Texas. Ascends to 4400 ft. in Virginia. Wood ight red in autumn
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
