rhodopsin (rodopsin)

[ Rhodora (ro-dō'rä), n. [NL. (Duhamel du Monceau, 1767), so called from the rose-colored flowers; said to be a Gallic word.] 1. A former genus of Ericaceæ, now included in Rhododendron, section Azalea, but still giving name to the tribe Rhodoreæ. It was set apart chiefly on account of its prominently two-lipped flower, of which the lower lip consists of two petals, completely separate, or much more nearly so than the three divisions of the upper lip. There was but one species. See def. 2. 2. [l. c.] A low deciduous shrub, Rhododendron Rhodora ( Rhodora Can a dens is ), a native of cold and wet wooded places from Pennsylvania north ward, often covering acres with its delicate rosy flowers, which appear before the leaves. In May, when sea-winds pierced our solitudes, I found the fresh Rhodora in the woods, Spreading its leafle blooms in a damp nook;... The purple petals, fallen in the pool, Made the black water with their beauty gay. Emerson, The Rhodora. Rhodoreæ (rō-dō'rē-ē), n. pl. [NL. (Don, 1834), Ericaceæ, characterized by a septicidal capsular fruit, deciduous, imbricated, and commonly gamopetalous corolla, and shrubby habit. It includes 16 genera, chiefly of northern regions and mountains, often very showy in blo om, as in the genera Rhododendron, Kalmia, Ledum, and Rho does am nus. See Rhodora and Azalea. rho do sperm (rōdō-spėrm), n. [ older name Florideæ. IMG:content-2216.png:[blocks in formation] Outis, The good old hermit, that was said to dwell Here in the forest without trees, that built The castle in the air, where all the bretheren Rhodostaurotic live. B. Jonson, Masque of Fortunate Isles. Rhodostethia (rō-do-stēʼthi-ä), n. [NL. (Macgillivray, 1842), ῥόδον , rose, + στῆθος , the breast.] Agenus of Laridæ , so called from the rose-tint of the breast, unique in the family in having the tail cuneate; the wedge-tailed gulls. Ro 's rosy gull, R. rose a , is the only species, inhabiting the arctic regions. It was long regarded as one of the rarest of birds, but has lately been found abundantly on the arctic coast of Alaska. It is white, rose-tinted, with black collar, wing-tips, and bill, red feet, and pearl-blue mantle; the length is 14 inches. Also called Ro ia . See cut in next column.