30 G 83. 



##* j\~ prolongation of the stigma between the anther-cell^, nor 

 plate in front of them. 



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

 entire, spurred. Glands of pollen-masses naked. 



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

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



7. HERMINTUM. Perianth bellshaped, segments all erect. 

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

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



Tr . IT. NEO TTIDEsE. Anther attached by its ba se . 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 ivith a prolongation (rostellum) at its top. 



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

 entire, included. Stigma subcordate. Rostellum erect, 

 bipartite, with a large squarish appendage between its 

 slender segments. 



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

 fringed. Stigma roundish. Rostellum straight, at length 

 bifid, with a long linear appendage between its points. 



10. LISTERA. Perianth ringent. Lipdeflexed,2-lobed. Stigma 

 transverse. Rostellum foliaceous, acute, arching over stigma. 

 Column very short. 



11. NEOTTIA. Perianth hooded. Lip deflexed, 2-lobed, 

 gibbous at the base. Stigma transverse. Rostellum flat, 

 broad, prominent, entire, without an appendage. Column 

 long. 



12. EPIPACTIS. Perianth patent. Lip interrupted; the basal 

 division concave ; terminal one (label) larger with 2 pro- 

 jecting plates at its base above. Stigma nearly square. 

 Rostellum short, terminated by a globose appendage. 

 Anth. terminal, erect, sessile, 2-celled. Column short. 

 Germen straight on a twisted stalk. 



** Stigma without a rostellum. 



13. CEPHALANTHERA. Perianth converging (in C. rubra 

 spreading). Lip interrupted, the basal division gibbous, 



