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A dense cluster of flowers, as in clover, daisies, thistles; a capitulum.

ehog shell (Zoöl.), any spinose, marine, univalve shell of the genus Murex. -- Hedgehog thistle (Bot.), a plant of the Cactus family, globular in form, and covered with spines (Echinocactus). -- Sea hedgehog. See Diodon.

The natural history, or study, of worms, esp. parasitic worms.

or shrub of the genus Lawsonia (L. alba). The fragrant white blossoms are used by the Buddhists in religious ceremonies. The powdered leaves furnish a red coloring matter used in the East to stain the hails and fingers, the manes of horses, etc.

Same as Heptarchist.

A follower of Heracleon of Alexandria, a Judaizing Gnostic, in the early history of the Christian church.

One versed in herpetology, or the natural history of reptiles.

The natural history of reptiles; that branch of zoölogy which relates to reptiles, including their structure, classification, and habits.

Passing through the different stages in its life history on an alternation of hosts, as the common wheat-rust fungus (Puccinia graminis), and certain other parasitic fungi; -- contrasted with autocious. -- Het`er*o"cism (#), n.

The history of the six day's work of creation, as contained in the first chapter of Genesis.

authorship, etc., of any writing; as, the higher criticism of the Pentateuch. Called also historical criticism.

Of or pertaining to a holethnos or parent race. The holethnic history of the Arians. London Academy.

her round of holy thought The Church our annual steps has brought. Keble. Holy Alliance (Hist.), a league ostensibly for conserving religion, justice, and peace in Europe, but really for repressing popular tendencies toward constitutional government, entered into by Alexander I. of Russia, Francis I. of Austria, and F…

Having all the flowers alike; -- said of such composite plants as Eupatorium, and the thistels.

The European whistling, or wild, swan (Olor cygnus); -- called also hooper swan, whooping swan, and elk.

considerable iron. Also used as a general term to include the whole species. Hornblende schist (Geol.), a hornblende rock of schistose structure.

A treatise upon, or a history and description of, the water of the earth.

of potash mica containing water. It is less elastic than ordinary muscovite. Hydromica schist (Min.), a mica schist characterized by the presence of hydromica. It often has a silky luster and almost soapy feel.

A hydropathist.

A suffix signifying, in general, relating to, or characteristic of; as, historic, hygienic, telegraphic, etc.