Tomato column surrounding the pistil's style. Flowers in domestic cultivars can be self-fertilizing. The flowers are across, yellow, with five pointed lobes on the corolla; they are borne in a cyme of three to 12 together. Tomato fruit is classified as a berry. As a true fruit, it develops from the ovary of the plant after fertilization, its flesh comprising the pericarp walls. The fruit contains hollow spaces full of seeds and moisture, called locular cavities. These vary, among cultivated species, according to type. Some smaller varieties have two cavities, globe-shaped varieties typically have three to five, beefsteak tomatoes have a
Plum Island (Massachusetts) island. It serves as a nesting area and stopover for migrating birds. Originally the common cattail dominated the freshwater marshes, but two intrusive plants, the common reed and purple loosestrife, have replaced much of it. The mammals are typical of Massachusetts woodland: the striped skunk, the raccoon, the red fox, the meadow jumping mouse, the white-tailed deer, meadow vole, white-footed mouse and others. Plum Island and its surrounding estuaries are a popular destination for birders. Plum Island Sound is on a migratory route for many varieties of birds, as well as being a nesting area for piping plovers. Much of