. Key and flora : northern and central states . Botany. MULBERRY FAMILY 65 thickened calyxes of many flowers; ovary sessile; stigmas 2, linear, spreading; the fleshy perianth inclosing the ovary at maturity.* 1. M. rubra L. Red Mulberry. A small tree. Leaves cordate- ovate, often 3-5-lobed on vigorous shoots, taper-pointed at the apex, serrate, rough above, white, densely woolly beneath. Mature fruiting spikes oblong, drooping, dark red or purple, edible. On rich soil. Wood very durable, bearing exposure to the weather. 2. M. alba L. White Mulberry. A small tree. Leaves ovate, heart-shaped, ac
. Key and flora : northern and central states . Botany. MULBERRY FAMILY 65 thickened calyxes of many flowers; ovary sessile; stigmas 2, linear, spreading; the fleshy perianth inclosing the ovary at maturity.* 1. M. rubra L. Red Mulberry. A small tree. Leaves cordate- ovate, often 3-5-lobed on vigorous shoots, taper-pointed at the apex, serrate, rough above, white, densely woolly beneath. Mature fruiting spikes oblong, drooping, dark red or purple, edible. On rich soil. Wood very durable, bearing exposure to the weather. 2. M. alba L. White Mulberry. A small tree. Leaves ovate, heart-shaped, acute at the apex, rounded and often oblique at the base, serrate or sometimes lobed. Smooth and shining on both sides. Mature fruit light red or white. In- troduced and common about old dwellings.* n. MACLURA Nntt. (TOXYLON) A small tree with milky juice. -4 B Leaves alternate, petioled, spines Fig. 13. Moms alba axillary. Flowers dicEcious Stam- ^^ ^^^^^^^^ ^^^^^^ ^^„„^ ^^^^ mate flowers in short axillary ra- times natural size; B, cluster cemes; calyx 4-parted; stamens 4, ?* pistillate flowers. (After inflexed in the bud. Pistillate flow- rmmg; ers in axillary, peduncled, capitate clusters; calyx 4-parted; ovary sessile; style long; calyxes becoming thickened and fleshy in fruit and aggregated into a large, dense, globular head.* 1. M. pomifera Schneider. Osage Orange. A small tree with ridged, yellowish-brown bark. Leaves minutely downy when young, becoming smooth and shining with age, ovate or ovate-oblong, tapqr- pointed at the apex, obtuse or subcordate at the base, entire, petioled. Staminate racemes about 1 in. long. Pistillate flower clusters about 1 in. in diameter. Fruit yellowish, tubercled, 3-4 in. in diameter. In rich soil. Native in Texas and extensively planted for hedges. Wood very durable when exposed to the weather, and therefore used for fence posts. As the wood does not swell or shrink with changes in its moisture, it is highly valued for wheel hubs, etc
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1908
