Vandece.] CXLVIIT. ORCHIDEJ). (J. D. Hooker.) 673 



68. T/ENTOPHYLLUM. Sepals connivent or subpatent, bases often connate. 

 Pollinia 4, distinct ; stipes short. Dwarf herbs, leafless or few-leaved ; flowers minute. 



69. MICROSACCUS. Sepals and petals spreading. Pollinia 4, distinct ; stipes linear. 

 Small herbs with many small distichous leaves, and 1-2 minute flowers. 



70. DIPLOCENTEUM. Sepals and petals widely spreading. Lip 2-spurred towards 

 the base. 



Subtribe 5. NOTYLTE.E. 



71. ACRIOPSIS. Sepals narrow, spreading ; lateral connate. Petals broader. 

 Claw of lip connate with the column, and forming a broad pitcher. Top of column 

 hooded, membranous. Pollinia 2 or 4, stipes simple. Pseudobulbs with 1-2 narrow 

 leaves. Flowers small, in simple or branched slender lax racemes. 



72. PODOCHILUS. Sepals erect. Lip jointed on to the foot of the column. 

 Stipes of the 4 pollinia 2. Leaves small, distichous; pseudobulb 0. Flowers small, 

 in a terminal raceme. 



73. APPENDICULA. Sepals erect. 'Lip continuous with the foot of the column, 

 not jointed. Leaves distichous ; pseudobulbs 0. Flowers small, in lateral or 

 subterminal racemes. 



74. THELASIS. Sepals erect. Lip erect, undivided. Column without a foot. 

 Stipes of pollinia simple. Herbs with 1-leaved pseudobulbs, or leaves distichous 

 as in Oberonia. Flowers minute, in terminal racemes. 



TRIBE III. Neottieae. 



Subtribe 1. VANILLE.S:. 



75. GALEOLA. Climbers. Leaves or on flowerless branches. Sepals spreading 

 or broadly concave. Lip broad, concave, loosely investing the column. 



7 (.5. VANILLA. Climbers. Leaves or coriaceous. Claw of the lip adnate to the 

 column ; limb broad, concave, embracing the column. 



Subtribe 2. CORYMBIE.E. 



77. CORYMBIS. Sepals and petals narrow, cohering in a tube. Lip linear 

 Column elongate. Flowers loosely panicled. 



78. TROPIDIA. Lateral sepals connate, forming a naentum. Lip sessile. Column 

 short. Spikes short, dense-fid. 



Subtribe 3. SPIRANTIIEJ;:. 

 * Lip spurred, or with a prominent sac. 



79. PHYSURUS. Lip above the spur abruptly contracted, hollow, spreading ; 

 blade entire or 2-lobed. Clinandrium hardly prominent. Leaves membranous, ovate 

 or lanceolate. 



80. ANffiCTOuriLUS. Claw tf the lip long, spreading, fimbriate ; blade 2-lobed. 

 Clinaudrium cupular. Leaves subradical, ovate, often coloured. 



81. VRYDAGZINIA. Lip sessile. Base of column with 2 processes descending into 

 the spur. Stem leafy. 



82. CYSTORCHIS. Lip sessile ; spur obtuse or saccate ; blade lanceolate, entire. 

 Leaves subradical, ovate, often coloured. 



83. HERPYSMA. Lip erect, concave, margins connate with the column j spur 

 long ; blade spreading. Clinandrium hooded. Pollinia with rigid caudicles. Stem 

 leafy. 



** Lip not spurred, if saccate the sac concealed by the sepals. 

 f Lip clatved, ventricose above the base (or sessile in Spiranthes). 



84. ODO.VTOCIIILUS. Lateral sepals connate, forming a mentum. Claw of lip 

 toothed or fimbriate. Stem leafy; fiowers loosely spiked. 



\ x 2 



