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V. Aceras, Acianthus, 



Acoridium, Anacamptis, Angraecum, 

 Anoectochilus, Appendicula, Arach- 

 nanthe, Blephariglottis, Bonatea, Brassa- 

 vola, Bulbophyllum, Calanthe, Calo- 

 cliilus, Calopogon, Camaridium, Cam- 

 py locentrum, Catasetum, Cattleya, 

 Centropetalum, Cephalanthera, Cera- 

 tostylis, Cheiradenia, Cheirostylis, 

 Chloraea, Chrysoglossuni, Cirrhope- 

 talura, Coeloglossum, Coelogyne, 

 Coilochilus, Comparettia, Corallorhiza, 

 Coryrabis, Corysanthes, Cranichis, 

 Cryptophoranthus, Cryptostylis, Gym- 



