Procccdiiii^s of the Ohio State Academy of Science 147 



2. Morus alba L. White Mulberry. A small rapid- 

 growing tree with rough light gray bark and spreading branches. 

 Fruit edible but usually rather insipid. Leaves used for feeding 

 silk-worms. Wood suitable for posts. Although growing best 

 in rich moist soil, it does well in quite dry regions and should be 

 much planted on the dry prairies, especially varieties with the 

 better grade of berries. Introduced from the Old World. Me. 

 and Out., to l^da., Kan., and Ohio. 



27. Toxylon Raf. Osage-orange. 



A tree with milky sap, sharp thorns, and entire leaves. Fruit 

 a large spherical, greenish or yellowish syncarp. 



I. Toxylon pomiferum Raf. Osage-orange. A small 

 thorny tree much ])lanted for hedges. Wood very heavy, ex- 

 ceedingly hard, and strong, but not tough, brownish-yellow; val- 

 uable for fence posts and fire wood, also used for wagon making. 

 The thorns nriHluce painful wounds. Horses acquire a strong 

 liking for the young shoots and eat them in large quantities with- 

 out apparent ill efifects. Mo. and Kan. to Tex. Escaped in Ohio 

 and other eastern states. 



28. Broussonetia L'Her. Paper-mulberry. 



Trees with 2-ranked leaves and milky sap. Drupes in a 

 globular head. 



I. Broussonetia papyrifera ( L. ) Vent. Paper-mulberry. 

 A small, low-branching, large-headed tree with dark scarlet fruit 

 which is sweet but insipid. Native of eastern Asia. In Japan 

 and China the bark is made into paper. Escaped from cultiva- 

 tion. X. ^^ to (ia., and Mo. 



Order, Pl.\t.\nales. 



Hamauiclidaccae. Witch-hazel Family. 



29. Hamamelis L. Witch-hazel. 



Trees or shrubs with alternate simple leaves and bis]:)oran- 

 giate or imperfectly ])isp()rangiate flowers. Fruit a 2-locular 

 woody or cartilaginous capsule. 



