270 MORACEAE • LEITNERIACEAE 



Ficus Carica. Fig Tree. 30. May. D. Ls. ov., 8, 3-5-lobed, palmately nerved, 

 heart-shaped base, rough above. Fls. produced inside a pear-shaped receptacle 

 which enlarges and becomes the fruit. West Asia. (Fig. 28 c.) 



Maclura aurantiaca (M. pomifera). Osage Orange, Bow Wood. 50. June. 

 D. Branches spiny. Ls. ov., lane, 4, entire, pointed, rounded at base, slender- 

 stalked. Fls. green, in round clusters, sexes on different trees. Fruit 4, round, 

 yellowish green, rough. South United States. (Fig. 128 F.) 



MORUS. Mulberry. Ls. 8, pointed, toothed, often lobed, heart-shaped and 

 3-5-nerved at base. Fls. small, in short drooping catkins in 1. -axils. Fruit a com- 

 posite mass of fleshy carpels. 



M. alba. White Mulberry. 45. May. D. Ls. light green, with few hairs. 



Fruit cluster i, white or pinkish. Temperate and sub-tropical Asia. 

 M. nigra. Common Mulberry. 30. May. D. Ls. dark green above, pale and 



downy below. Fruit cluster i, dark red. Orient. (Figs. 28 F and 106 b.) 



Family 93. URTICACEAE. P4-5, A4-5, Gi 



* Debregeasia velutina. 12. May-June. D. Branchlets very tough. Ls. 

 alternate, lane, 6, long-pointed, toothed, 3 -nerved at base, dark green above, white 

 below. Fls. small, yellow, in fleshy heads. Fruit I, fleshy, bright orange-yellow, 

 edible. India. (Fig. 106 c.) 



Family 94. PLATANACEAE. P3-8, A3-8, G3-8 



PLAT ANUS. Plane. Trees with smooth bark peeling off in thin large flakes. 

 Ls. alternate, ov., 10, palmately lobed, stipulate. Fls. unisexual, in dense round 

 heads. Fruits burr-like. 



P. acerifolia. London Plane. 100. May. D. Ls. shallowly lobed, lobes 

 longer than broad and coarsely toothed. Several fruiting heads on one 

 stalk. Hybrid. (Fig. 30 b.) 



P. occidentalis. Button Wood. 150. May. D. Ls. shallowly lobed, lobes 

 broader than long and coarsely toothed. One fruiting head at end of each 

 stalk. North America. (Fig. 30 c.) 



P. orientalis (P. vulgaris). Oriental Plane. 100. May. D. Ls. deeply lobed, 

 lobes longer than broad and scarcely toothed. One fruiting head at end 

 of each stalk. South-east Europe and West Asia. (Fig. 30 a.) 



Family 95. LEITNERIACEAE. Po, A3-12, Gi 



Leitneria floridana. Corkwood. 10. April. D. Trunk swollen at base ; buds 

 woolly. Ls. alternate, ov., lane, 7, entire, pointed, tapering base, bright green 

 above, paler below, covered with minute velvety down. Fls. unisexual, in axillary 

 catkins appearing before Is., sexes on different trees. Fruit f , a light olive-brown 

 berry. South United States. (Fig. 128 m.) 



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