ERIOPSIS (from Eria, and opsis, like; resemblance). ORD. Orchideae. A genus of three or four species of very ornamental cool-house epiphytal Orchids, natives of Northern Brazil, Guiana, and Columbia. A copious supply of water when growing, full exposure to the sun, and a compost of fresh peat and living sphagnum, are essential. They require the temperature of an intermediate house, such as suits Cattleyas, &c. Increased by dividing the pseudo-bulbs. ERIOPSIS biloba (two-lobed). fl. about 1in. across; sepals and petals oblong, dark yellow, shaded round their margins with brown; lip three-lobed, white, spotted with dark brown; spike 1ft. to 1 1/2ft. long, curved or drooping. l. broad-lanceolate, borne in twos or threes at the apices of the pseudo-bulbs. Pseudo-bulbs 5in. to 8in. high, conical, dark brown. Native country unknown. 1845. ERIOPSIS rutidobulbon (rough-bulbed). A species similar to ERIOPSIS biloba. but with larger and more deeply-coloured flowers. New Grenada, 1847. (B. M. 4437.) ERIOPSIS Sprucei (Dr. Spruce's). fl., sepals and petals light yellow, the latter with red borders; side lobes of the lip whitish, dotted red, nearly circular, the middle one lemon-yellow, with mauve spots at the base of the broad stalk, transversely elliptic, the disk white, with two acute horns on the middle; raceme long, cylindrical. l. cuneate-oblong, acute. Amazons, 1884.