Definition of genus

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Genus (n.) An assemblage of species, having so many fundamental points of structure in common, that in the judgment of competent scientists, they may receive a common substantive name. A genus is not necessarily the lowest definable group of species, for it may often be divided into several subgenera. In proportion as its definition is exact, it is natural genus; if its definition can not be made clear, it is more or less an artificial genus..

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Frangipanni :: Frangipanni (n.) A perfume derived from, or imitating the odor of, the flower of the red jasmine, a West Indian tree of the genus Plumeria..
Meadowwort :: Meadowwort (n.) The name of several plants of the genus Spiraea, especially the white- or pink-flowered S. salicifolia, a low European and American shrub, and the herbaceous S. Ulmaria, which has fragrant white flowers in compound cymes..
Harrier :: Harrier (n.) One of several species of hawks or buzzards of the genus Circus which fly low and harry small animals or birds, -- as the European marsh harrier (Circus aerunginosus), and the hen harrier (C. cyaneus)..
Skimmer :: Skimmer (n.) Any species of longwinged marine birds of the genus Rhynchops, allied to the terns, but having the lower mandible compressed and much longer than the upper one. These birds fly rapidly along the surface of the water, with the lower mandible immersed, thus skimming out small fishes. The American species (R. nigra) is common on the southern coasts of the United States. Called also scissorbill, and shearbill..
Arrowworm :: Arrowworm (n.) A peculiar transparent worm of the genus Sagitta, living at the surface of the sea. See Sagitta..
Cyperus :: Cyperus (n.) A large genus of plants belonging to the Sedge family, and including the species called galingale, several bulrushes, and the Egyptian papyrus..
Balm :: Balm (n.) An aromatic plant of the genus Melissa.
Doryphora :: Doryphora (n.) A genus of plant-eating beetles, including the potato beetle. See Potato beetle..
Orchestian :: Orchestian (n.) Any species of amphipod crustacean of the genus Orchestia, or family Orchestidae. See Beach flea, under Beach..
Trifolium :: Trifolium (n.) A genus of leguminous herbs with densely spiked flowers and usually trifoliate leaves; trefoil. There are many species, all of which are called clover. See Clover..
Isonandra :: Isonandra (n.) A genus of sapotaceous trees of India. Isonandra Gutta is the principal source of gutta-percha.
Quaker :: Quaker (n.) Any grasshopper or locust of the genus (Edipoda; -- so called from the quaking noise made during flight.
Taurus :: Taurus (n.) A genus of ruminants comprising the common domestic cattle.
Cockle :: Cockle (n.) A bivalve mollusk, with radiating ribs, of the genus Cardium, especially C. edule, used in Europe for food; -- sometimes applied to similar shells of other genera..
Junco :: "Junco (n.) Any bird of the genus Junco, which includes several species of North American finches; -- called also snowbird, or blue snowbird..
Machairodus :: Machairodus (n.) A genus of extinct mammals allied to the cats, and having in the upper jaw canine teeth of remarkable size and strength; -- hence called saber-toothed tigers..
Stryphnic :: Strychnos (n.) A genus of tropical trees and shrubs of the order Loganiaceae. See Nux vomica.
Gale :: Gale (n.) A plant of the genus Myrica, growing in wet places, and strongly resembling the bayberry. The sweet gale (Myrica Gale) is found both in Europe and in America..
Xanthoxylum :: Xanthoxylum (n.) A genus of prickly shrubs or small trees, the bark and rots of which are of a deep yellow color; prickly ash..
Oidium :: Oidium (n.) A genus of minute fungi which form a floccose mass of filaments on decaying fruit, etc. Many forms once referred to this genus are now believed to be temporary conditions of fungi of other genera, among them the vine mildew (Oidium Tuckeri), which has caused much injury to grapes..
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