324: 82. OKCHIJDACEiE, 



Order LXXXII. OECHIDACE^. 



Sep. 8, usually coloured. Pet. 3, 2 above, 1 below (lip) fre- 

 quently lobed and spurred and unlike the otbers. Stam. 3, united 

 in a central column, S lateral abortive, or (in Oypripedium) the 

 middle one abortive. Pollen powdery or cohering in masses. 

 Ovary 1-celled, inferior, with 3 parietal placentas. Style form- 

 ing part of the column with the stamens ; , stigma a viscid space 

 in front of the column. Caps. 3-valved. , \ Seeds very many, 

 minute. Testa loose, netted. 



Tribe I. OPHRYBINEM. Anther wholly adnate to the co- 

 lumn. Pollen-masses in divisible lobes which are indefinite 

 in number and waxy, stalked. — Koot with 2 fleshy entire or 

 palmate knobs helow thefihres. 



* Anther-cells, with, a pfolongation of the stigma hetween their hoses. 



1. Oechis. Perianth ringent, hooded. Lip 8-lobed, spurred. 

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



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

 pouch. Otherwise like Orchis. 



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

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



4 NEOTnraA. Perianth ringent, hooded. Lip B-lobed, 

 spurred. Glands of the pollen-masses in separate hollows 

 behind the plate, which is bounded laterally by 2 semi- 

 cylindrical ascending processes diverging from its base. 



*** No prolongation of the stigma hetxveen the anther-cells, reor 

 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. HEEMiNiTrM. 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.IL NEOTTIDE^. Anther attached by its base, peraistent. 

 PoUen-masaes granular ; granules only in a slight state of 

 cohesion ; no stalks,— Root of many fleshy iibres, rarely of 

 2-^4 much-thickened ones. 



