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Either of several tropical aquatic plants of the genus Eichhornia, related to the pickerel weed.

A plant (Pistia stratiotes) which floats on tropical waters, and forms a rosette of spongy, wedge-shaped leaves. J. Smith (Dict. Econ. Plants).

s; its pulp is usually pink in color, and full of a sweet watery juice. It is a native of tropical Africa, but is now cultivated in many countries. See Illust. of Melon.

ted by the larvæ of any species of the genus Ptylus, allied to the cuckoo spits, which in tropical countries secrete large quantities of a watery fluid.

A tribe or family of dipterous flies whose larvæ live in decayed wood. Some of the tropical species are very large.

xed star, returns to the same. This is 365 days, 6 hours, 9 minutes, and 9.3 seconds. -- Tropical year. See under Tropical. -- Year and a day (O. Eng. Law), a time to be allowed for an act or an event, in order that an entire year might be secured beyond all question. Abbott. -- Year of grace, any year of the Christ…

kind of cabinet wood having beautiful black, brown, and whitish stripes, the timber of a tropical American tree (Connarus Guianensis).

A genus of Actinaria, including numerous species, found mostly in tropical seas. The zooids or polyps resemble small, elongated actinias united together at their bases by fleshy stolons, and thus forming extensive groups. The tentacles are small and bright colored.