Class XX. GYNANDRIA, 749 
1873. Neottia. Flowers connivent. Lip sessile, 2-lobed, with no calli. Anther terminal, sessile. Stigma 
2- lipped pervious ; the front lip thickened. 
1874. Spiranthes. Spike spiral. Ovary oblique at the end. Sepals connivent. Lin clawed, parallel with 
columna, with 2 calli at the base, entire. Anther terminal stalked. Stigma fiat, cuspidate, membranous, finally 
split. 
1875. Stenorhynchus. Like the last ; but the lip adheres to the columna by means of the margins of its 
lateral lobes : it has no callosities. Stigma corneous, always entire. 
1876. Listera. Flowers connivent. Lip 2-lobed, sessile, with no calli. Anther intramarginal, half covered 
over by the hooded clinandrium. Stigma closed, nearly flat, with a strong transverse furrow. 
\ 3. Anther terminal, persistent. Pollen powdery. 
1877. Arethusa. Lip united at base with the columna, at the end hooded, in the inside crested. Sepals 5, 
united at base. Pollen angular. 
1878. Calopogon. Lip at the back clawed, with a bearded inside. Sepals 5, distinct. Column separate. 
Pollen angular. 
1879. Pogonia. Lip sessile, hooded, crested inside. Sepals .'5, distinct, without glands. Pollen farinaceous. 
1880. Epipactis. Lip ventricose below; the extremity either undivided or 3-lobed : the middle lobe the 
largest, connected as it were by a joint. Pollen farinaceous. 
1881. Caleana. Lip unguiculate, placed at the back, with a peltate hollow lamina, having a perforation on 
the outside. Pollen farinaceous. 
1882. Corallorhixa. Lip produced behind, adnate with the spur or free. Column free. Masses of pollen 4, 
oblique, not parallel. 
§ 4. Anther terminalf opercular deciduous. Pollen waxy. 
1883. Rodriguexia. Perianth. 4-leaved ringent. Lip entire, unguiculate cornute at base ; callous in the 
middle. Pollen-masses 2, with an elastic caudicula. Stigma with 2 horns. 
1884. Gomexa. Like the last, but lip not cornute at base. 
1885. Cymbidium. Lip not spurred, concave, jointed with the simple base of the columna. Sepals spreading, 
distinct. Pollen masses 2, 2-lobed behind. 
1885. Prussia. I-ip expanded, undivided. Sepals spreading, distinct. Column not winged. Pollen-masses 
2, 2-lobed behind ; fixed by the middle to a common process of the stigma. 
1887. Lissochilus. Pollen-masses 2, obliquely 2-lobed. Lip saccate at base, sessile, undivided, convex at the 
base, united with the apterous toothless column. Inner sepals divaricating, petaloid ; outer refiexed, calycine. 
1888. Geodorum. Lip cucullate- ventricose, sometimes spurred at base, sessile, not jointed with the column. 
Sepals like the lip, 1-sided. Pollen-masses 2, lobed at back. 
1889. Catnsetum. Perianth, not inverted, generally globose. Lip saccate, concave, different from the sepals. 
Pollen-masses 2, 2-lobed behind, inserted on a large naked transverse caudicula, which finally separates with 
elasticity. 
1890. Trizeuxis. Perianth. 2-parted j upper segment 2-lobed; lower 3-parted, inflated. Lip parallel with 
column, with a recurved dilated limb. Stigma excavated. Anther 1-celled, fleshy. Pollen-masses 2, adhering 
to a fusiform caudicula. 
il891. Xylobium. Perianth, spreading. Lip behind jointed, with 'an unguiform process of the column, 
3- lobed, incumbent on columna. Outer lateral sepals united by their bases, with the process of column. 
Pollen-masses 2, furrowed on one side, seated on a broad caudicula. 
1892. Maxillaria. Perianth, spreading. Lip in front 3-lobed, jointed with the unguiform process of the 
column. Lateral outer sepals united by their bases with the process of column. Pollen-masses 2, bipartite, 
united by their bases to a common gland. 
1893. Notylia. Perianth. 4-leaved : upper sepals spreading. Lip divaricating entire. Columna acuminate. 
Pollen-masses 2, entire. Anther posterior, not terminal. 
1894. Pleurothallis. Lip jointed with the simple or slightly lengthened base of column. The two anterior 
sepals united at base. Pollen-masses 2, not furrowed. 
1895. Oncidium. Lip expanded, lobed, tubercled at base. Petals spreading, sometimes only 4. Colunrm 
winged. Pollen-masses 2, 2-lobed behind, fixed by the middle to the common process of the stigma. 
1896. Cyrtopodium. Sepals 5, distinct. Lip 3-lobed, connected with a joint with the unguiform process of 
the base of the apterous column. Pollen-masses 2, 2-lobed behind. 
1897. Coelogyne. Perianth, resupinate, spreading. Lip 3-lobed, cucullate, jointed with columna. Column 
winged. Anther lateral, 2-celled. Pollen-masses 2, 2-parted. Stigma funnel-shaped, 2-lipped. 
1898. Macradenia. Lip sessile, cucullate, concave, undivided, acuminate. Sepals distinct, spreading. 
Column distinct, with the lobes of its end conniving. Pollen-masses 2, unfurrowed, seated on a long filiform 
caudicula. 
1899. Dendrobium. Lip without a spur, jointed with the unguiform process of the column, to whose edges 
the anterior sepals adhere. Pollen-masses 4, parallel. 
1900. Anisopetalum. Flowers erect. Sepals conniving. The two lateral exterior large, cohering at end : 
two inner very small subulate. Lip oblong, with 2 teeth near the base. Pollen-masses 4, without gland or 
caudicula. 
1901. Camaridium. Perianth, resupinate, expanded. Sepals distinct. Lip distinct, sessile, cucullate, 3-lobed. 
Column round. Stigma arched. Pollen-masses 4, parallel, compressed, without a caudicula at the time of 
expansion. 
1902. Ornithidium. Lip sessile, hooded, connate with the base of column. Sepals conniving. Pollen- 
masses 4, oblique, furrowed at base. 
1903. Isochilus. Lip almost of the same shape as the distinct, connivent, sepals. Pollen-masses 4, parallel. 
1904. Pholidota. Flowers resupinate. Sepals uniform ; the three outer erect, keeled at back. Lip ventricose. 
Column dilated at end. Anther 2-celled. Pollen masses 4, each pair having a gland. 
1905. Broughtonia. Column distinct, or at the very base united with the unguiculate lip, which is 
lengthened at the base into a tube, connate with the ovarium. Pollen-masses 4, parallel, with a granular 
caudicula reflexed npon the masses. 
1906. Cattleya. Sepals spreading. Lip sessile, cucullate, surrounding the half round column. Pollen-masses 
4, with as many powdery reflexed caudiculee. 
1907. Ejndendrum. Column united with the claw of the lip, and forming a tube which sometimes runs 
down the ovarium. Pollen-masses 4, with as many powdery reflexed caudiculEe. 
1908. Polystachya. Perianth, not inverted, cuneate, closed. Pollen-masses 4, placed on a simple naked 
caudicula with a gland. 
1909. Cryptarrhena. Sepals 5, distinct, spreading. Lip not spurred, with a dilated flat lamina. Column 
distinct, not winged. Anther enclosed in the cucullate head of the column. Pollen-masses 4. 
1910. Ornithocephalus. Flowers resupinate. Lip stalked. Sepals nearly equal ; the two upper finally 
reflexed. Column short, with a very long beak. .Pollen-masses 4, adhering to a very long glandular caudicula. 
1911. Bletia. Lip sessile, cucullate; sometimes spurred at the base. Sepals 5, distinct. Column separate. 
Pollen-masses 8 or 4, 2-lobed. 
1912. Eria. Perianthium woolly, conniving or expanded. Lip 3-lobed, jointed with an unguiform process of 
the column to whose sides the anterior sepals are united. Pollen-masses 8, cohering at the end by means of a 
powdery substance. 
1913. Octomeria. Lip jointed with an unguiform process, to the edges of which the anterior sepals adhere. 
Pollen-masses 8. Perianthium quite smooth. 
1914. Brassavola. Lip with a siitiole claw, undivided. Sepals distinct, spreading. Pollen-masses 8 or more. 
