bustus, pendulus, bracteis brevibus triangularibus scari- 
osis arcte adpressis in nodis ornatus. Inflorescentia rare 
paniculsta, laxiflora. Ramorum et florum bractene sim- 
iles, minutae, triangulares, acutae, cucullatae. Flores 
spectab les, ovario pedicellato gracili. Sepala petalaque 
patenti:, pallidifusca et atrofusca maculata. Sepala ob- 
lanceolita, apice obtuso vel subacuto leviter recurva: 
sepala lateralia leviter obliqua. Petala spathulata, apice 
rotund: to apiculata. Labellum columnae basi adnatum, 
purpurcum, profunde trilobatum cum lobis subaequali- 
bus; lobi laterales in positu naturali erecti et supra pa- 
tentes, extensi oblique obovati, apice late rotundati, 
margin bus leviter undulatis; lobus medius suborbicu- 
laris, ap iculatus, marginibus valde undulato-plicatis, isth- 
mo brevi lato basi donatus; discus callo elliptico sulcato 
super isthmum in nervos tres incrassatos fere usque ad 
apicem extenso ornatus. Columna crassa, auricula parva 
triangulari acuta utrinque praedita. 
Plant large, up to 2 m. or more tall. Pseudobulb ovoid, 
tapering to the bifoliate apex, about 7 cm. long and 2 
cm. in diameter near the base, subtended by large scari- 
ous-fibvous sheaths. Leaves two, at the apex of the pseu- 
dobulb, suberect, linear-ligulate, somewhat tapering to 
the obtuse apex, coriaceous, about 40 em. long and 2.5 
cm. wile below the middle. Peduncle at the apex of the 
pseudobulb, stout, pendent, somewhat purple-tinged, 
provided at the nodes with short triangular closely ad- 
pressed scarious bracts, 7 dm. or more tall. Inflorescence 
a sparsely branched panicle, laxly Howered. Floral bracts 
and bracts subtending the flowering branches similar, 
minute, triangular-cucullate, acute, up to 5 mm. long. 
Flowers showy, with slender pedicellate ovaries which 
are 2—2.5 cm. long. Sepals and petals spreading, light 
brown, mottled with chocolate-brown. Sepals oblanceo- 
late, slightly recurved at the obtuse to subacute apex, 
[ 3 ] 
