51�Թ�

When cut in two, deprived of epidermis and seeds, and washed until none of the mucilage remains, there is left a fibrous skeleton, a sort of skein of interwoven nets that constitutes the so-called vegetable sponge.

There are two varieties of convolvolus growing here; also a peculiar gourd, which, when dry and divested of its shell, exposes a vegetable sponge, formed of a dense but fine network of fibers; the seeds are contained in the center of this fiber.