Stigma simple. Lip not tubercled, but sometimes hairy at the base; blade not distinctly separated, undivided, bent back at the tip.--Species 3. Mascarene Islands and Madeira. Used as ornamental plants. =Goodyera= R. Br. 53. (47.) Leaves firm, folded lengthwise. Flowers in panicles. Lip narrow below, broadened above. Pollen-masses affixed to a slender stalk arising from the rostellum; gland peltate.--Species 2. Tropics. (_Corymbis_ Lindl.) [Subtribe TROPIDIINAE.] =Corymborchis= Thouars Leaves soft, not folded, sometimes scale-like. Flowers in spikes. 54 54. Sepals and petals united into a long tube. Lip uppermost, with 2 lateral appendages. Column elongated, two-winged.--Species 1. West Africa. [Subtribe CRANICHIDINAE.] =Manniella= Reichb. fil. Sepals and petals free or almost so, suberect. Lip below. Inflorescence one-sided.--Species 2. North-west Africa (Algeria). [Subtribe SPIRANTHINAE.] =Spiranthes= L. C. Rich. 55. (37.) Inflorescence terminal. Leaves folded lengthwise before expansion. 56 Inflorescence lateral. 65 56. Pollen-masses 8, without an appendage. Lip saccate at the base. Leaves jointed at the upper end of the sheath. Inflorescence head-like.--Species 1. Madagascar and Seychelles. [Tribe GLOMEREAE.] =Agrostophyllum= Blume Pollen-masses 2-4. 57 57. Column extended below into a foot forming with the base of the perianth a chin or spur. Pollen-masses attached to a short, sometimes scarcely perceptible stalk arising from the rostellum. Mostly epiphytic plants. [Tribe POLYSTACHYEAE.] 58 Column not extended into a foot. Pollen-masses without appendages. Sepals and petals usually bent backwards. [Tribe LIPARIDEAE.] 61 58. Lip spurred, 3-lobed. Pollen-masses 2, grooved. Leaves not jointed, linear. Joints of the stem swollen.--Species 6. South Africa. (Under _Eulophia_ R. Br.) =Acrolophia= Pfitz. Lip not spurred. Leaves usually jointed. 59 59. Lip undivided. Chin weakly developed. Column short and thick. Stem slender.--Species 1. German East Africa. =Neobenthamia= Rolfe Lip 3-lobed. 60 60. Lateral sepals forming with the column a weakly developed chin. Side-lobes of the lip embracing the column. Column slender. Stem slightly thickened.--Species 6. Tropical and South-east Africa. Some are used as ornamental plants. =Ansellia= Lindl. Lateral sepals forming with the column a strongly developed chin. Side-lobes of the lip small. Column short and broad. Stem usually thickened into pseudo bulbs.--Species 120. Tropical and South Africa. Some are used as ornamental plants. (Including _Epiphora_ Lindl.) =Polystachya= Lindl. 61. Anther erect. Leaves not jointed. 62 Anther inclined to horizontal. 63 62. Anther adnate to the rostellum; cells widely diverging, opening laterally. Column long.--Species 1. West Africa. =Orestia= Ridl. Anther deciduous, opening inwards. Column short. Lip uppermost.--Species 4. West Africa and Comoro Islands. =Microstylis= Nutt.