foliorum obtecti. Folia in sicco chartacea, disticha, ob- 
liqueadscendentia,anguste oblonga vel lineari-lanceolata, 
utrinque angustata, apice acuta. Vaginae foliorum com- 
planatae, elongatae, persistentes. Pedunculus valde elon- 
gatus, pauciflorus floribus succedaneis, paucivaginatus 
‘raginis plus minusve imbricatis et complanatis et dis- 
tichis. Bracteae inflorescentiae infundibuliformes, con- 
fertae. Sepala lateralia patentia vel oblique porrecta, 
lanceolata, usque ad apicem attenuata, trinervia, acuta, 
extus per medium carinata. Sepalum dorsale simile, 
trinervium. Petala patentia, linearia, usque ad apicem 
attenuata, acuta, uninervia. Labellum simplex, valde 
incrassatum, leviter deflexum, columnae valde adnatum, 
in laminam suborbicularem leviter concavam expansum, 
apice acutum. Discus costis valde incrassatis ornatus, 
nervo medio supra medium valde incrassato. Columna 
usque ad apicem vix dilatata, simplex. Ovarium elonga- 
tum sacco vesiciformi apice instructum. 
Epiphytic herb about 18 em. tall. Roots coarsely 
fibrous, smooth, longitudinally suleate, whitish, spread- 
ing. Stems probably caespitose, erect, 4.5-5.5 em. long, 
bearing about six leaves, complanate. Leaves 4.5—8 cm. 
long,3.5—6 mm. wide,obliquely ascending,the uppermost 
one exceeding the tip of the raceme, chartaceous when 
dry, narrowly oblong or linear-lanceolate, tapering grad- 
ually to the acute tip, narrowed toward the base and 
jointed to tubular complanate sheaths which are about 
15 mm. long and 2-8 mm. in greatest diameter. Peduncle 
terminal, to the tip of the rachis about 4.5 em. long, tew- 
flowered, usually one tlower open at a time with the suc- 
ceeding flower in bud. Peduncular sheaths about three, 
closely appressed, imbricating, complanate, acute, the 
tip of the uppermost one extending beyond the lower- 
most floral bract, the lowermost sheath about 2 em. long. 
Rachis of the raceme 4-7 mm. long. Bracts of the ra- 
[107 | 
