. Bulletin. Natural history; Natural history. Trees of Illinois 275 Muddy rivers to Johnson and Franklin counties. Its associates in this region inchide especially the lowland oaks and the Hard Maple. In Pulaski County, the Pumpkin Ash varies in height from 69 to 98 feet, with a corresponding variation in trunk diameter from IG to 36 inches, and the age of the trees ranges between SO and 105 years. Northward, on the Big Muddy bottomlands of Franklin County, the height of the Pump- kin Ash is from 67 to !)1 feet, the diameter from 10 to 19 inches, and the age from 38 to 7 6 years. Uses: Though
. Bulletin. Natural history; Natural history. Trees of Illinois 275 Muddy rivers to Johnson and Franklin counties. Its associates in this region inchide especially the lowland oaks and the Hard Maple. In Pulaski County, the Pumpkin Ash varies in height from 69 to 98 feet, with a corresponding variation in trunk diameter from IG to 36 inches, and the age of the trees ranges between SO and 105 years. Northward, on the Big Muddy bottomlands of Franklin County, the height of the Pump- kin Ash is from 67 to !)1 feet, the diameter from 10 to 19 inches, and the age from 38 to 7 6 years. Uses: Though similar in many respects to white ash, the wood of the Pumpkin Ash lacks its hardness and toughness and cannot be used for such purposes as tool handles, oars, and farming implements. But its tine grain and its slow growth make the wood desirable for crates and boxes, as a source of charcoal, and for ])aper pulp, while some is used also as fuel. FRAXINUS PENNSYLVANICA Marshall Red Ash Green Ash The Red Ash is a small to moderate tree, with an irregular but com- pact crown of stout, upright branches. The light, yellow-green leaves, 10 to 12 inches long, are made up of T or 9 thin but firm, oval, stalked leaflets, each 4 to 6 inches long by 1 to 2 inches broad, set along the stout, hairy petioles. The flowers are borne in greenish- or purplish-red clusters, the staminate and pistillate flowers on separate trees. Hie keys, with their long, slender seeds and thin wings, are from 1 to 2 inches long by % to JA inch wide. 1 he ashy-gray to brownish twigs bear small, brown Inuls set in a shallow indention on the U])per margin of the half-round leaf-scars. The trunk, inclosed in red- tinte;l, brown bark slightly furrowed and scaly on the surface, may become 18 inches thick ; and the tree usually at- tains a height of 50 or 60 feet. p^^, ^^o q^^^^^ .^.l, j^^ ^^e Forest Tree Distribution: On the ^ow. Plantation at the University of Illinois. The \ . ' ' . * " plantation dates
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