( 3597) 
BIFRENARIA AURANTIACA. ORANGE- 
COLOURED BIFRENARIA. 
KKK KKK KKK KKK EKER ERE 
Class and Order. 
GynanpriA MonanpriA. 
( Nat. Ord.—Orcuipez. ) 
Generic Character. 
Sepala patula, libera, subeequalia ; lateralia cum basi pro- 
ducta columne adnata, vix basi obliqua. Petala sepalis 
duplo minora. Labellum cum pede mucronato columne 
articulatum, cucullatum, trilobum, medio callosum. Co- 
lumna brevis, semiteres, mutica. Anthera mutica, subcris- 
tata. Pollinia 4, per paria incumbentia, caudiculis duabus 
distinctis materiei_ viscide rostelli adherentibus, glandula 
(oblonga).—Epiphyta, pseudo-bulbosa, Maxillaria (Cola- 
cs) habitu. Lindl. 
Specific Character and Synonym. 
Birrenarta * aurantiaca ; pseudo-bulbis subrotundis com- 
pressis diphyllis, foliis oblongis plicatis racemi erecti 
longitudine, petalis erectis, labelli lobis lateralibus 
semicordatis intermedio transverso ovali subundulato 
basi bicalloso, columna pubescente. Land. 
BirrenariA aurantiaca. Lindl. Bot. Reg. t. 1875. 
From the stove of the Glasgow Botanic Garden, having 
been received by Mr. Murray from Demerara, where the 
plant is a native. 
Descr. Pseudo-bulbs broadly ovate, compressed, spotted, 
bearing a single leaf at the extremity, which is oval-oblong, 
striated, 
* “ So named in allusion to the double strap or frenum that connects the 
pollen-masses with their glands.” 
