. Bulletin. Natural history; Natural history. 148 NaTIKAI, HlSTOKV SlHVKY very probably is more comnion than the map seems to indicate. In Cool; and Lake counties, it is reported by Pepoon' as abundant on the moist flats. It is common also in similar habitats in the south. In the Cypress forest. 1 tree in ^0 is Swamp White Oak; in the mixed hardwood forests of the main .streams, about 1 tree in 200. In central Illinois, particularly in Lojjan. Champaign, and X'ermilion counties, its common associates are Chincpiapin and Red oaks, hickories, ashes. Elm, Hard Maple, Ohio Buc
. Bulletin. Natural history; Natural history. 148 NaTIKAI, HlSTOKV SlHVKY very probably is more comnion than the map seems to indicate. In Cool; and Lake counties, it is reported by Pepoon' as abundant on the moist flats. It is common also in similar habitats in the south. In the Cypress forest. 1 tree in ^0 is Swamp White Oak; in the mixed hardwood forests of the main .streams, about 1 tree in 200. In central Illinois, particularly in Lojjan. Champaign, and X'ermilion counties, its common associates are Chincpiapin and Red oaks, hickories, ashes. Elm, Hard Maple, Ohio Buck- eye, Black Cherry, Bass Wood, Honey Locust. Black Walnut, Hackberry, and Kentucky Coffee Tree; but in the south, notably in Wayne and Pu- laski counties, it grows with the Pin and Swamp Spanish oaks, hickories. ashes. Ehii, and Red and Black gums. The largest Swamp White Oak- measured in Illinois was SO feet high and 11 inches in diameter. Trees of this size have reached a very consider- able age, for the average tree lives for about LiO years, whi'e a maximum age of 400 years has besn recorded. I'scs: The hard, strong wood of the Swamp White Oak, light- brown in the heart, is tough and as durable as that of the White Oak. It is employed for a variety of pur- poses, including fuel, fencing, house Fig. 57. Distribution of the Swamp finishing, boat building, cooperac'-e, and White Oak. u- i • cabmet makmg. In the better-drained virgin forests of our southern counties, there are about 16 Swamp White Oaks to the acre—the most abundant oak; but the yield is small, being only about 620 board feet per acre as com- pared to the 1400 board feet of the Pin Oak, of which there are only half as many trees to the ' Flora of the Chicago Region, p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinoi
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