I A() and probably many more different kinds. Seeds, when sown, shoot.their root downward, and the stalk or trunk mpwards. Pup. ßow lo they grow ? Tut. By the air, rain, warmth, and nourishment, which they imbibe from the moisture of the ground, in she strail fibres of their roots. * Pup. Of what tise is the bark, and the is aves of trees ? Tuf. The bark, to preserve thein from extortial violence, and to nourish them by the rising of the sap ;-- the leaves, to catch and receive the dew and rain. Pup. There seems : difïerence in ilie leav es, even on the Sault tree. Tut. True: two things exactly alike are not easily found it the whole world; so various are the works of (od. Tite uppermost surface of the Jeaves Is smooth or varnished, that the water may not lodge upon them. which would soon make them to decay. The undermost is without that warnish, that it inay imbibe the dew. Pup. Of what use are those trees that bear no fruit for the service of the animal creation ? Tut. Forests lot only aflord us a beautiful variegated prospect, and an agreeable shade to travellers, but also timber for building, masts for ships, materials for husbandry, for furniture, for medicine, for tanning, for the various exercises of art, and for fuel &c.
