Oakes-Amesia cryptantha C. Schweinfurth & 
P. H, Allen sp. nov. 
Herba pusilla, epiphytica. Radices fibratae, pubes- 
centes, numerosae. Caulis perbrevis, foliorum vaginis 
valde imbricatis omnino obtectus. Folia equitantia, vagi- 
nis articulata; laminae elliptico-lineares, acutae; vaginae 
conduplicatae. Inflorescentiae singulae vel tres, in folio- 
rum superiorum axillis, racemosae, folia paulo excedentes. 
Flores parvi, cum segmentis liberis patentibus. Sepalum 
dorsale oblongo-ovatum, concavum, valde mucronatum. 
Sepala lateralia oblique ovata, coneava, valde mucronata. 
Petala triangulari-cuneata, abrupte et late truncata vel 
leviter retusa. Labellum medio profunde trilobatum, 
valde concavum cum lobis lateralibus et lobi medii later- 
ibus erectis; lobi laterales late oblongi, apice rotundati; 
lobus medius expansus subquadrato-cuneatus, apice trun- 
catus; discus per medium tubulo percursus et supra tu- 
bulum fascia papillosa ornatus. Columna brevis, apoda, 
supra geniculata, antice cum processu rostellari elongato 
trilobato. Anthera operculata, incumbens.  Pollinia 
quattuor. 
Plant epiphytic, small, up to 5 cm. high. Roots slen- 
der, fibrous, finely pubescent, numerous. Stem obscure, 
entirely enveloped by a circle of leaves. Leaves equitant, 
coriaceous, about six or more in number, articulated to 
imbricating sheaths; blades elliptic-linear, acute, 1.8-3.9 
em. long, 3.5-4.5 mm. wide; sheaths conduplicate, 
short, 6-8 mm. long. Inflorescences one to three, spring- 
ing from the upper axils, racemose, erect or arcuate, 
about 5.5 cm. long, apparently 9-flowered, with the short 
peduncle and lightly fractiflex rachis narrowly bialate. 
Bracts spreading, triangular-lanceolate to ovate-lanceo- 
late, long-acuminate, amplexicaul, dorsally carinate as 
an extension of the bialate rachis. Flowers small, white, 
the lip being dark green marked with white. Perianth 
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