Hexalectris revoluta Correll sp. nov. 
Herbae erectae, saprophyticae. Caules simplices, nudi, 
robusti, bracteati. Inflorescentia racemosa, pauciflora. 
Bracteae inflorescentiae ovatae, acutae, concavae. Sepala 
et petala apice conspicue revoluta. Sepalum dorsale ob- 
longo-ellipticum, obtusum. Sepala lateralia obliqua, el- 
liptica vel elliptico-lanceolata, obtusa vel subacuta, rare 
retusa. Petala obliqua, elliptica vel elliptico-obovata, ob- 
tusa. Labellum in circuitu late ellipticum, profunde tri- 
lobatum, basi late cuneatum; lobi laterales oblongi, 
obtusi; lobus medius obovato-cuneatus, apice truncatus 
vel retusus, margine superiore undulato et nervo medio 
incrassato; lamina prominenter nervosa nervis plusmin- 
usve carinatis, lamellis quatuor parvis in lobi medii basi 
ornata. Columna generis. 
Plant saprophytic, erect from a fleshy rhizome, 3—4.5 
dm. tall. Stems stout, simple, aphyllous, provided with 
several short broad clasping bracts, apparently purplish 
in color. Inflorescence a few-flowered raceme, with as 
many as twelve flowers, up to 20 cm. long. Floral bracts 
broadly ovate, acute, concave, 1-1.4 cm. long. Flowers 
with rather stout pedicellate ovaries which are about 1.5 
em. long. Sepals and petals conspicuously revolute at 
the apex. Dorsal sepal oblong-elliptic, bluntly obtuse, 
concave, 1.6—2.1 cm. long, 6-7 mm. wide. Lateral sepals 
oblique, elliptic to elliptic-lanceolate, obtuse to subacute 
or rarely minutely retuse at the apex, 1.5-2 cm. long, 
6.5-7.5 mm. wide. Petals oblique, elliptic to elliptic- 
obovate, bluntly obtuse, 1.5-1.9 cm. long, 6—-7.5 mm. 
wide. Lip broadly elliptic in outline, deeply 3-lobed, 
broadly cuneate at the base, 1.4-1.8 cm. long, 9-13 mm. 
wide across the lateral lobes ; lateral lobes oblong, obtuse, 
free part 5—6 mm. long and 8.5—4.5 mm. wide; mid-lobe 
obovate-cuneate, truncate or retuse at the apex, upper 
margin undulate, with the central nerve prominently 
[19 ] 
