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cum thapsus). -- Adam's needle (Bot.), the popular name of a genus (Yucca) of liliaceous plants.

A provisional name for a plant which has not had its flowers botanically examined, and therefore has not been referred to its proper genus.

The union of parts which are separate in other plants, or in younger states of the same plant.

Corroborative or explanatory proof.

Supplying help; auxiliary; corroborative; explanatory; as, adminicular evidence. H. Spencer.

Growing to or on something else. "An adnascent plant." Evelyn.

A genus of plants of the family Ranunculaceæ, containing the pheasaut's eye (Adonis autumnalis); -- named from Adonis, whose blood was fabled to have stained the flower.

Having arrived at maturity, or to full size and strength; matured; as, an adult person or plant; an adult ape; an adult age.

taneous in a country or district; not fully naturalized; adventive; -- applied to foreign plants.

Having opposite leaves, as plants which have the leaves so arranged on the stem.

of development of the Rusts or Brands, an order of fungi, formerly considered independent plants.

A genus of plants, called also hardgrass.

A secondary respiratory tissue or modified periderm, found in many aquatic plants and distinguished by the large intercellular spaces.

sed to growing or existing in earth or water, or underground; as, aërial rootlets, aërial plants. Gray.

Related to, or of the nature of, aërobies; as, aërobiotic plants, which live only when supplied with free oxygen.

A form of hydro-aëroplane; a flying boat.

An aëroplane or airship designed to carry passengers.

A modification of the aëroplane, having curved surfaces, the advantages of which were first demonstrated by Lilienthal.

A plane or arched surface for sustaining bodies by its movement through the air; a spread wing, as of a bird.

A plant growing entirely in the air, and receiving its nourishment from it; an air plant or epiphyte.