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Food of the Silkworm

The silkworm feeds, as every one knows, on the leaves of the white mulberry; or, when these cannot be obtained, upon those of the black mulberry; or, in lieu of these, upon the leaves of the common garden lettuce. The white mulberry is especially cultivated for the value of its leaves, its fruit being insipid and very inferior to that of the common species, the leaves of which are equally good in this country for the food of the silkworm. There has been a variety lately introduced from the Philippine Isles (Morus multicaulis), which has larger leaves, and which is easily propagated by cuttings put into a cucumber frame in October, and transplanted in the following May; yet, still, to ensure success in the rearing of silkworms the young naturalist should stick to the old black mulberry, as such trees are to be found in various vicinities. To propagate this, a branch from another tree may be set in the earth, which will frequently grow. The amiable Sir John Philipport of Hammersmith, so celebrated for his "Elysian groves and fountains fair," and for his sterling English qualities, has in his grounds a fine mulberry-tree, which he reared by placing a very loose branch in the ground in the autumn of 1850, which threw out roots, and started at once into a tree. The story of a gate-post made of a mulberry trunk becoming, and now remaining, a fruitful tree, is well authenticated. The leaves to be used should be those of a large and well-grown, prolific tree, and they should be gathered with care, so that the young buds of future leaves should in no way be injured; moreover, a tree should never be stripped twice in a year.