i80 ORCHIDACE&. 



Epiphytic herbs, never terrestrial ; 

 pseuodobulbs none : 

 Stem very short, leaves few, 



crowded, pendulous, broad, flat 



and softly coriaceous ; flowers in 



long, often branching, racemes ; 



lip with a long claw ; midlobe 



2-lobulate; lateral lobes fimbri- 



ate; spur bent . 13., ORNITHOCHILTTS, 



Stems more or less elongate ; leaves 

 coriaceous, flat, or fleshy and 

 terete : 

 Lip not spurred ; leaves terete . 14. LUISIA. 



Lip spurred, adnate to the 

 column or its foot ; leaves flat, 

 1 orate : 

 Column with a long foot . 15. ABIDES. 



Column slightly produced into 

 a foot : 



Spur with neither calli nor 

 septum within : 



Spur compressed laterally, 

 deep, pubescent at the 

 mouth ; side-lobes of lip 

 none . . . .16. RHYNCHOSTYLISJ 



Spur not compressed, 



rarely (in Vanda) 



reduced to a gibbous 



swelling : 



Side-lobes of lip usually 

 large (small in Vanda 

 Roxburghii), spur 



widely funnel-shaped, 

 glabrous at the 

 mouth ; flowers usu- 

 ally large (small in 

 Vanda parviflora) 

 caudicle of pollinia 

 short and broad . 17. VANDA. 



