^ 





3fald.vis.] .Lxxxix. orciiidaceje. 425 



■ 



3 CoRALLORinzA. Scpals converging. Lip inferior, with two small 

 ■ * lobes at the base. Spur free or adnate to the ovary. Anther 



opening transversely. Pollen masses 4, oblique. 



II. Anther 1, attached to the hack of the column, or suhterminah Pollen- 

 iei^L ' masses granular; pollen in a lax state of cohesion, or combined into 



granules or masses (which are Jiot waxy) elastically cohering. Lip 

 inferior, 



4. Epipactis. Perianth conniveut or spreading. Lip free from the 

 column and not embracing it, much contracted or articulated in 



ittii;, the middle ; upper lobe entire at the apex, lower concave. 



5. LisTERA. Lip linear or oblong, 2-lobed at the apex. 



6. Nkottia. Perianth ringent ; the 2 lateral outer sepals erect, placed 

 ^.^ under and including the base of the lip, oblique at the base and 

 ^ocb ' more or less decurrent on the ovary. Lip beardless, canaliculate, 

 iinjj embracing the column and cohering below with its produced base, 



with two callosities below the middle, entire at the apex. 



7. GooDYERA. Perianth ringent; the 2 lateral outer sepals spreading, 

 ^'?f placed under and including the gibbous base of the lip. Lip entire 

 '/*l at the apex, free from the column, flat above and without cal- 

 '""«» losities. 



III. Anther 1, placed on the summit of the column. Pollen-masses farina- 



ceous, collected into small lobes or gramdes elastically cohering together. 

 Lip superior, 



8. EriPOGON. Perianth spreading. Ovary not twisted. 



lY. Anther 1, adnate to the face of the stigma. Pollen-masses granular : 

 pollen cohering in an indefinite number of finally waxy granules or 

 lobes, attached by an irregular elastic cellular tissue along the axis of 

 the pollen-mass. Lip inferior, 



9. Orchis. Lip spurred. Glands of the stalks of the pollen-masses 

 contained in a common little pouch. 



10. Gymnaoenta. Lip spurred. Anther-cells contiguous, parallel. 



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



11. Habenaria. Lip spurred. Anther-cells separated, diverging at the 



base. Glands of the stalks of the pollen-masses naked, distant. 



12. AcERAs. Lip without a spur. Glands of the stalks of the pollen- 

 masses contained in a common little pouch, 



13. Herminium, Lip without a spur. Glands of the stalks of the 



pollen-masses naked, distinct. 



14. Ophrys. Lip without a spur. Glands of the stalks of the poUen- 



^^A masses each in a distinct little pouch. 



5 





I 



V. Anthers 2, lateral, with a central one sterile and petaloid, 



15. Cypripedium. Lip large, inflated. 



*. 



■jj I. Anther 1. Pollen cohering firmly in a definite number of 



simple smooth (not granular or pulverulenf) lohes^ each of 

 u^hich is a pollen-mass and finally becomes waxy (or rarely 



'r\ pulverulent when bruised in water,) — Mai^axibe^. 



1. Malaxis Sw. B02:- Orchis. 



Outer sepals widely spreading : the two lateral inner ones 

 reflexed, smaller than the outer. Lip without a spur, very 



