1875 
* BIFRENARIA aurantiáca. 
Orange-coloured Bifrenaria. 
GYNANDRIA MONANDRIA. 
Nat. ord. OrcHIDACER, $ VANDER. 
BIFRENARIA, Lindl. Sepala patula, libera, subeequalia ; lateralia 
cum basi productà columns connata vix basi obliqua. Petala sepalis duplò 
minora. Labellum cum pede mucronato columne articulatum, cucullatum, tri- 
lobum, medio callosum. Columna brevis, semiteres, mutica, Anthera mutica, 
subcristata. Pollinia 4, per paria incumbentia, caudiculis duabus distinctis 
materiei viscidee rostelli adheeréntibus, glandulá (oblongá). Epiphyta pseudo- 
bulbosa, Mazillarie (Colacis) habitu. Gen. et Sp. Orch. 152. 
B. aurantiaca ; pseudobulbis subrotundis compressis di hyllis, foliis oblongis 
plicatis racemi erecti longitudine, petalis erectis, labelli lobis lateralibus semi- 
cordatis intermedio transverso ovali subundulato basi bicalloso, columnà 
pubescente. 
Perianthium bilabiatum. Petala obovata, rotundata, crenata, erecta, 
cum sepalo supremo oblongo acuto labium supremum formantia. Sepala 
lateralia ovata, obtusa, supra pubescentia, patentia, basi obliqua, supremo 
duplò latiora. Labellum cum columne pede producto articulatum, unguicu- 
latum ; unguis cuneatus, carnosissimus, limbi longitudine, callo transverso 
truncato ad apicem ubi in limbum abit ; limbus tripartitus lacinid intermedid 
transversá apiculatá indivisá subundulatá, lateralibus erectis semicordatis, 
obtusis utráque flexurá elevatá baseos callum mentiente. Columna semiteres, 
pubescens, clinandrii dorso acuminato. Anthera triangularis : angulis pilosis, - 
lateralibus productioribus. Pollinia 2, biloba, caudiculis totidem glandule 
communi adherentibus. 
A pretty epiphyte, native of Demerara. For the oppor- 
tunity of publishing it Fam indebted to his Grace the Duke 
of Devonshire, in whose hot-housé at Chiswick it flowered 
& 
in October, 1835. o 
[S10 P | T 
CEA E pail F 
