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Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; -- said also of the cluster which has such marginal flowers. Radiant energy (Physics), energy given out or transmitted by radiation, as in the case of light and radiant heat. -- Radiant heat, proceeding in right lines, or direc…

The pungent fleshy root of a well-known cruciferous plant (Paphanus sativus); also, the whole plant. Radish fly (Zoöl.), a small two-winged fly (Anthomyia raphani) whose larvæ burrow in radishes. It resembles the onion fly. -- Rat-tailed radish (Bot.), an herb (Raphanus caudatus) having a long, slender pod, which is s…

A species of Agave (Agave Virginica) growing in the Southern United States. (b) An umbelliferous plant (Eryngium yuccæfolium) with large bristly-fringed linear leaves. (c) A composite plant, the blazing star (Liatris squarrosa). -- Rattlesnake weed (Bot.), a plant of the composite genus Hieracium (H. venosum); -- prob…

A gigantic coniferous tree (Sequoia sempervirens) of California, and its light and durable reddish timber. See Sequoia.

A large vein of auriferous quartz; -- so called in Australia. Hence, any body of rock yielding valuable ore. Reef builder (Zoöl.), any stony coral which contributes material to the formation of coral reefs. -- Reef heron (Zoöl.), any heron of the genus Demigretta; as, the blue reef heron (D.jugularis) of Australia.…

r steps across the bottom for holding quicksilver and catching particles of gold when auriferous earth is washed; also, one of the cleats, grooves, or steps in such a trough. Also called ripple.

A cruciferous plant (Eruca sativa) sometimes eaten in Europe as a salad.

A fleshy, suffrutescent, umbelliferous European plant (Crithmum maritimum). It grows among rocks and on cliffs along the seacoast, and is used for pickles. Hangs one that gathers samphire, dreadful trade! Scak.

Any plant of the umbelliferous genus Sanicula, reputed to have healing powers.

A coniferous shrub (Juniperus Sabina) of Western Asia, occasionally found also in the northern parts of the United States and in British America. It is a compact bush, with dark-colored foliage, and produces small berries having a glaucous bloom. Its bitter, acrid tops are sometimes used in medicine for gout, amenorrho…

growing in crevices of rocks in mountainous regions. Burnet saxifrage, a European umbelliferous plant (Pimpinella Saxifraga). -- Golden saxifrage, a low half-sacculent herb (Chrysosplenium oppositifolium) growing in rivulets in Europe; also, C. Americanum, common in the United States. See also under Golden. -- Meado…

The formation belonging to the middle of the three subdivisions of the Corniferous period in the American Devonian system; -- so called from Schoharie, in New York, where it occurs. See the Chart of Geology.

A species of calciferous sandstone. [Prov. Eng.]

Same as Sebiferous.

A genus of coniferous trees, consisting of two species, Sequoia Washingtoniana, syn. S. gigantea, the "big tree" of California, and S. sempervirens, the redwood, both of which attain an immense height.

Covered with bristles; having or bearing a seta or setæ; setiferous; as, setigerous glands; a setigerous segment of an annelid; specifically (Bot.), tipped with a bristle.

longlegs, or harvestman. -- Shepherd's pouch, or Shepherd's purse (Bot.), an annual cruciferous plant (Capsella Bursapastoris) bearing small white flowers and pouchlike pods. See Illust. of Silicle. -- Shepherd's rod, or Shepherd's staff (Bot.), the small teasel.

(a) The cutlass fish. (b) A pale variety of the common eel. -- Silver fir (Bot.), a coniferous tree (Abies pectinata) found in mountainous districts in the middle and south of Europe, where it often grows to the height of 100 or 150 feet. It yields Burgundy pitch and Strasburg turpentine. -- Silver foil, foil made o…

An umbelliferous plant (Sium, or Pimpinella, Sisarum). It is a native of Asia, but has been long cultivated in Europe for its edible clustered tuberous roots, which are very sweet.

Tending to induce sleep; soporiferous; somniferous; as, a sleepy drink or potion. Chaucer.