Notylieae.

71. ACRIOPSIS . Sepals narrow ,spreading ; lateral connate . Petals broader . Claw of lip conuate with the column,and forming a broad pitcher . Top of column hooded , inemranous, 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.