. Trees of Texas; an illustrated manual of the native and introduced trees of the state . owers all in spike like catkins, fruit acelongated edible berry somewhat re-sembling the blackberry 1. Morus. b. Pistillate flowers in heads, fruit globose,not edible. (1) Branches armed with thorns, leaves entire 2. Toxylon. (2) Branches unarmed, leaves serrate or lobed 3. Broussonetia. 2. Flowers borne inside a hollow receptacle 4. Ficus. 1. MORUS. The Mulberries. Trees with edible fleshy fruit, milky juice; flowers monoe-cious 01 dioecious; leaves often deeply irregularly lobed. The Trees of Texas 89 L
. Trees of Texas; an illustrated manual of the native and introduced trees of the state . owers all in spike like catkins, fruit acelongated edible berry somewhat re-sembling the blackberry 1. Morus. b. Pistillate flowers in heads, fruit globose,not edible. (1) Branches armed with thorns, leaves entire 2. Toxylon. (2) Branches unarmed, leaves serrate or lobed 3. Broussonetia. 2. Flowers borne inside a hollow receptacle 4. Ficus. 1. MORUS. The Mulberries. Trees with edible fleshy fruit, milky juice; flowers monoe-cious 01 dioecious; leaves often deeply irregularly lobed. The Trees of Texas 89 Leaves rough above, pubescent beneath, fruit red or purplish 1. M. rubra. Leaves smooth on both sides or nearly so. Leaves large 2-14-6 long 2. M. alba. Leaves small 1-% long, % wide 3. M. microphylla. 1. Morus rubra L. Red :\Iiilberry. A tree 60°-70= high,and S^-d^ in diameter. The trunk is generally short and thebranches stout, forming a dense rounded broad crown. Thebark is dark brown somewhat tinged with red, %-% thick,fissured into long thin plates. Leaves broadly ovate or ovate-. Fig. 25. Morus rubra. orbicular, contracted at the apex into a long point, heart-shaped or rounded at base, coarsely serrate, frequently 2-7,mostly 3, lobed, smooth above, hairy beneath, thin, darkbluish green, turning yellow before falling from the tree. Theflowers appear with the opening of the leaves; pistillate amentsabout half as long as the staminate. Fruit cylindric abouti/o-l^/^ long, dark purple or almost black when mature. Massachusetts to Ontario; ^Michigan and Nebraska, southto Florida and Texas. Occurs most frequently in moist situa-tions. In Texas it extends to the valley of the Colorado River. The wood is light, soft, but tough, takes a high polish, dur-able in contact with the soil. It has been used for cross ties 90 Bulletin of the University of Texas and posts, but the supply is not sufficient to be of mucli eco-nomic importance. The tree is hardj^ and easily has
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