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A name applied loosely to several plants of different genera, esp. the comfrey.

Twisted back upon itself, as some parts of plants.

A species of Dorstenia (D. Contrayerva), a South American plant, the aromatic root of which is sometimes used in medicine as a gentle stimulant and tonic.

Rolled or wound together, one part upon another; -- said of the leaves of plants in æstivation.

Of, pertaining to, or resembling, the family of plants of which the bindweed and the morning-glory are common examples.

A glucoside occurring in jalap (the root of a convolvulaceous plant), and extracted as a colorless, tasteless, gummy mass of powerful purgative properties.

A large genus of plants having monopetalous flowers, including the common bindweed (C. arwensis), and formerly the morning-glory, but this is now transferred to the genus Ipomæa. The luster of the long convolvuluses That coiled around the stately stems. Tennyson.

A cycadaceous plant of Florida and the West Indies, the Zamia integrifolia, from the stems of which a kind of sago is prepared.

s of Copaifera, a genus of trees growing in South America and the West Indies. It is stimulant and diuretic, and is much used in affections of the mucous membranes; -- called also balsam of copaiba. [Written also capivi.]

To plant and preserve, as a copse. Swift.

closing a lagoon. See Atoll. -- Coral root (Bot.), a genus (Corallorhiza) of orchideous plants, of a yellowish or brownish red color, parasitic on roots of other plants, and having curious jointed or knotted roots not unlike some kinds of coral. See Illust. under Coralloid. -- Coral snake. (Zo) (a) A small, venomous,…

A submarine, semicalcareous or calcareous plant, consisting of many jointed branches.

ame of the kerria Japonica or Japan globeflower, a yellow-flowered, perennial, rosaceous plant, seen in old-fashioned gardens.

A genus of herbaceous composite plants, having the achenes two- horned and remotely resembling some insect; tickseed. C. tinctoria, of the Western plains, the commonest plant of the genus, has been used in dyeing.

An umbelliferous plant, the Coriandrum sativum, the fruit or seeds of which have a strong smell and a spicy taste, and in medicine are considered as stomachic and carminative.

A term proposed by Endlicher to include all plants with an axis containing vascular tissue and with foliage.

A single seed of certain plants, as wheat, rye, barley, and maize; a grain.

d to form, a crown or garland. "Coronary thorns." Bp. Pearson. The catalogue of coronary plants is not large in Theophrastus. Sir T. Browne.

A genus of plants related to the clover, having their flowers arranged in little heads or tufts resembling coronets.

gression of minute particles or corpuscles. The theory is now generally rejected, and supplanted by the undulatory theory.