BIFRENARIA (from bis, twice, and fraenum, a strap: in reference to a double strap or band, by means of which the pollen masses are connected with their gland). ORD. Orchideae. A genus of pretty stove Orchids, allied to Maxillaria, and distinguished from it by having two fraena or caudicles to their pollen masses. For culture, see Maxillaria. BIFRENARIA aurantiaca (orange-coloured).* fl. orange; lateral lobes of lip semi-cordate, middle one transverse, sub-undulated, callous at the base; raceme erect. October. l. oblong, plicate. Pseudo-bulb roundish, compressed, two-leaved. h. 9in. Demerara, 1834. (B. R. 1875.) BIFRENARIA aureo-fulva (orange-tawny). fl. orange, on long pedicels; lip unguiculate, three-lobed; scape radical many-flowered. October. l. oblong-lanceolate. Pseudo-bulb roundish-ovate, wrinkled, one-leaved. h. 1ft. Brazil, 1840. BIFRENARIA bella (beautiful). A synonym of Coelia bella. BIFRENARIA Hadwenii (Hadwen's). fl. each nearly 4in. across; petals and sepals 1/2in. broad, yellow green, beautifully blotched or mottled with a rich brown; lip large, above 1in. broad, white, with striped spots of rose. June. l. long, 1/4in. broad. h. 1 1/2ft. Brazil, 1851. SYN. Scuticaria Hadwenii. (B. M. 4629.) BIFRENARIA Hadwenii bella (charming).* A new variety with sepals and petals whitish yellow outside, brilliant shining cinnamon inside, with a few spots, bars, and blotches of whitish sulphur colour; lip wide, white, with one light brown spot behind, and a larger one in front of the callus; radiating light brown lines on lateral lobes, and mauve ones on anterior lobe. BIFRENARIA Hadwenii pardalina (leopard-marked).* A very beautiful variety, having sepals and petals with brown circles or polygonal figures on a light yellow ground; lip light ochre-coloured at its basilar part, white in front, with radiating mauve-purple streaks. This variety is extremely rare. BIFRENARIA Harrisoniae (Mrs. Harrison's). fl. 3in. across; sepals and petals creamy-white, large and fleshy, the lateral ones with a spur-like base; lip purple, yellowish at base, purple-veined outside, the inner surface streaked red; scape one or two-flowered. l. solitary, large, oblong-lanceolate, plaited. Pseudo-bulbs pyri-form, tetragonal. Brazil. SYNS. Colax Harrisoniae, Dendrobium Harrisoniae (H. E. F. 120), Lycaste Harrisoniae, Maxillaria Harrisoniae (B. M. 2927; B. R. 897; P. M. B. ii. 196.) BIFRENARIA Harrisoniae alba (white). fl. white; sepals slightly tinged green, the lower sides of the lateral ones faintly dotted red; side lobes of the lip reddish-purple, veined with deeper red, the middle lobe red-purple, hairy, the spur-like portion greenish-white. Brazil. (R. G. 52, under name of Maxillaria Harrisoniae alba.) BIFRENARIA Harrisoniae eburnea (ivory-white). fl., sepals and petals white; lip white, freely striped with crimson; throat yellow, striped purplish-red. April and May. Brazil. A chaste variety. (W. O. A. iii. 100, under name of Lycaste Harrisoniae eburnea.) BIFRENARIA Harrisoniae grandiflora (large-flowered). fl., inner surface of the lip wholly purple, except a narrow, yellowish border; spur yellow, with a few bold, purple stripes. BIFRENARIA vitellina (yolk-coloured).* fl. yellowish purple; lip cuneate, three-lobed; lateral lobes acute, crenulated; racemes drooping. July. l. lanceolate. Pseudo-bulb ovate, bluntly angular, one-leaved. h. 1ft. Brazil, 1838.