330 
orchidea;. (S. Moore.) 
Section 3. Yandex. Pollen-masses waxy, provided with both cau- 
dicle and gland Usually epiphytes. 
Pollen-masses 2. 
Caudicles 2. 
Petals lobed. Caudicles with cup-like summits, 
each attached to a gland 15. Cryptopus. 
Petals entire. Caudicles flat at the summit, 
each attached to a gland 16. Aeranthus. 
Petals entire. Caudicles flat at the summit ; 
gland single 17. Listrostachys. 
Caudicle single. 
Inflorescence axillary or extra-axillary. Label - 
lum more or less like sepals and petals. 
Column not produced at base .... 18. Angr^cum. 
Inflorescence terminal. Labellum unlike the 
sepals and petals. Column with a long 
basal production. 
Labellum spurred 19. Eulophia. 
Labellum not spurred 20. Cyrtopera. 
Pollen masses 4. 
Labellum adnate to the produced base of the 
column 21. Polystachya. 
Pollen-masses 8. 
Leaves distichous. Flowers small, capitate. 
Labellum saccate 22. Agrostophyllum. 
Leaves not distichous. Flowers rather large, 
racemed. Labellum usually with a long 
slender spur 23. Calanthe. 
1. DISPKRIS, Sw. 
Lateral sepals broad, spreading, usually more or less connate, but 
occasionally free, each with a concavity or pouch near the centre ; 
upper sepal connivent with the petals into a hood arching over the 
column ; hood (in Mascarene species) ovate, cuspidate. Labellum 
small, adnate to the whole front of the column, going off above it as a 
broad or narrow, entire or variously lobed limb. Column short, 
crowned by a large anther with short or elongate, straight or twisted, 
parallel or diverging arms ; pollen-masses long and narrow, of few large, 
almost free granules ; gland broad, naked. — Low terrestrial herbs, with 
small tubers, opposite or alternate membranous leaves and terminal 
solitary or racemose flowers. Distrib. The genus is found mainly at 
the Cape, and extends through the Mascarene Archipelago to India, 
where it is represented by two species. 
Leaves opposite. Labellum 3 -lobed. Lateral sepals 
united 1. D oppositifolia. 
Leaves alternate. Labellum entire. 
Lateral sepals free, spathulat e-oblong. Pulvinus of 
labellum ovate 2. D. tripetaloides. 
Lateral sepals connate halfway up, lanceolate. Pul- 
vinus of labellum transversely elongated . . . 3. D. cordata. 
