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79<br />
CIIAPSKK XIIJ.<br />
ECONOMIC PLANTS OF DIFFERENT USES.<br />
This Chapter includes useful plants for the mankind with<br />
different economic purposes, except those used as food.<br />
294. Morns alba, L., Mulberry tree, Jap. Kuwa ; a<br />
deciduous tree of the order Urticaceae. The male and female<br />
flowers are produced on separate plants. It reaches to the height<br />
20-30 fts. when growing wild, but when cultivated it is cut down<br />
to a certain height for the purpose to gather the leaves easily.<br />
spring the flowers appear<br />
In<br />
before the leaves. The leaves are of<br />
many different shapes, being produced from the two typical forms<br />
of entire and dentate edges. These leaves are necessary food for<br />
silk-worms. In summer the purplish red fruits ripen, and they<br />
are eatable with an agreeable subacid taste. The young leaves are<br />
used to make a kind of tea, and the bark-fibres are used for the<br />
preparation of paper.<br />
295. Quercus serrata, 77*., Jap. Kumigi ; a deciduous<br />
tree of the order Amentaceae growing wild on mountainous<br />
regions, but much cultivated for fuel. It grows about 10 fts.<br />
high. In early summer it<br />
produces male and female flowers<br />
separately on the same plant, and in autumn it produces acorns<br />
of the size of a thumb. The leaves are used to feed several<br />
worms producing silk. Other quercus species allied to this are<br />
used for the same purposes.<br />
296. Equisetum hiemale, Z., Jap. Tokusa / an<br />
evergreen herb of the order Equisetaceae, growing<br />
wild or in<br />
gardens. The stalk is hollow and tabular with many joints,<br />
being abour 2 fts. high. As it is hard and rough,<br />
it is used for<br />
polishing various articles as wood and horn. The h'owers are<br />
produced at the top of the stalk, resembling those of Equisetum<br />
arvense, L. The quality of the stalks for polishing purpose<br />
differs according to the place where produced. Those produced<br />
from the village Waka-mori of the district Funai in the province<br />
Tamba are most famous for their good quality.