83. ORCHTDACEJE. 333 



in number and waxy, stalked. — Root with 2 fleshy entire ox 

 palmate knobs below thejibres. 



* Anther-ceUs with a prolongation of the stigma between their bases. 



1. Obchis. Perianth ringent, hooded. Lip 3-lobed, spurred. 

 Glands of the stalks of the pollen-masses in a common pouch. 



2. Gtmnadenia. Glands of the pollen-masses without a 

 pouch. Otherwise like Orchis, 



3. AcEBAS. Lip without a spur. Otherwise like Orchis. 



** A plate in front of the glands of the poUen-masses. 



4. Nbotinba. Perianth riagent, hooded. Lip 3-lobed, 

 spurred. Glands of the pollen-masses in separate hoUows 

 behind the broad recurved roatellum, which is bounded 

 laterally by 2 semicylindrical ascending processes diver- 

 ging from its base. 



*** No prolongation of the stigma between the anther-cells, nor 

 plate in front of them. 



5. Habenaeia. Perianth ringent, hooded. Lip 3-lobed or 

 entire, spurred. Glands of pollen-masses naked. 



6. OpHBYS. Perianth patent. Lip variously lobed, without 

 a spur. Glands of pollen-masses each in a distinct pouch. 



7. HEEMiNniM, Perianth bellshaped, segments all erect. 

 Lip 3-lobed, tumid beneath at the base, without a spur. 

 Glands of the stalks of the poUen-masses exserted, naked. 



Tr.II. yBOTTIBEM. Anther attached by its base, persistent. 

 Pollen-masses granular; granules only in a slight state of 

 cohesion; no stalks. — ^Root of many fleshy fibres, rarely of 

 2 — 4 much-thickened ones. 



* Stigma with a prolongation (rosteUum) at its top. 



8. GooDYBBA. Perianth ringent. Lip gibbous at the base, 

 entire, included. Stigma subcordate. Rostellum erect, bi- 

 partite, with a large squarish appendage between its slender 

 segments. 



9. Spibanthbs. Perianth ringent. Lip channelled, clawed, 

 fringed. Stigma roundish. Rostellum straight, at length 

 bifid, vnth a long linear appendage between its points. 



