82. Gland of the rostellum covered by scales. Petals 2-4-lobed. Lip with a long spur, a clawed 3-5-lobed middle-lobe, and incurved sickle-shaped side-lobes.--Species 1. Madagascar and Mascarenes. =Cryptopus= Lindl. Gland of the rostellum without scales. 83 83. Lip with a short, conical spur; side-lobes embracing the column.--Species 9. Madagascar and neighbouring islands. (_Aeonia_ Lindl.) =Oeonia= Lindl. Lip with a long, thread-or club-shaped spur. 84 84. Sepals unequal, the lateral much longer than the middle one, united with the petals above. Lip deeply 3-cleft. Stem climbing.--Species 1. German East Africa. =Angrecopsis= Kraenzl. Sepals and petals subequal, free. 85 85. Sepals and petals erect. Lip entire. Pollen-masses with very short stalks.--Species 1. Island of Réunion. (_Pectinaria_ Cord., under _Angrecum_ Thou., _Macroplectrum_ Pfitz. or _Mystacidium_ Lindl.) =Ctenorchis= K. Schum. Sepals and petals spreading. 86 86. Column bent backwards. Stalks of the pollen-masses attached to a common gland.--Species 70. Tropical and South Africa. Some are used as ornamental plants. (Plate 26.) =Listrostachys= Reichb. fil. Column straight. Stalks of the pollen-masses usually attached to two separate glands.--Species 40. Tropical and South Africa. Some are used as ornamental plants. (Including _Gussonia_ A. Rich.) =Mystacidium= Lindl. 87. (73.) Pollen-masses 2, grooved, with a large transverse appendage at the base, attached to the gland of the rostellum by a broad stalk. Lip usually large. Pseudobulbs formed by several internodes, rarely by a single one or wanting. [Tribe CYMBIDIEAE.] 88 Pollen-masses 4, rarely 2, without an appendage and usually without a stalk. Lip usually small. Pseudobulbs formed by a single internode, bearing one or two leaves. 92 88. Lip distinctly spurred. 89 Lip not distinctly spurred. 90 89. Pollen-masses grooved. Stem with a pseudobulb.--Species 5. Madagascar and Mascarenes. (Under _Eulophia_ R. Br.) =Eulophiopsis= Pfitz. Pollen-masses not grooved. Stem without pseudobulbs.--Species 1. Madagascar. =Lemurorchis= Kraenzl. 90. Pollen-masses attached to two processes of the stalk. Stem slender, without pseudobulbs, many-leaved.--Species 1. Madagascar. Used as an ornamental plant. =Grammatophyllum= Blume Pollen-masses attached to a common stalk without processes. Stem with more or less distinct pseudobulbs. 91 91. Pseudobulbs enveloped by the sheaths of the leaves inserted below and upon them.--Species 4. Madagascar. Used as ornamental plants. =Cymbidium= Swartz Pseudobulbs bearing leaves at the top only, hence not enveloped by sheaths. Lateral sepals forming with the foot of the column a distinct chin.--Species 2. Madagascar. Used as ornamental plants. =Grammangis= Reichb. fil. 92. Pollen-masses attached to a scale-like stalk. Lip spurred, 3-lobed.--Species 2. West Africa. Used as ornamental plants. (Under _Eulophia_ R. Br.) [Tribe MAXILLARIEAE.] =Eulophidium= Pfitz.