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OncipDIUM ORNITHORHYNCHUM. BirpD’s- 
BEAK QONCIDIUM. 
Class and Order. 
GynanpriA Monoeynia. 
( Nat. Ord.—Orcuive&. ) 
Generic Character. 
Perianthium explanatum. Sepala sepius undulata ; late- 
ralibus nunc sub labello connatis. Petala conformia. La- 
bellum maximum, ecalcaratum, cum columna continuum. 
varié lobatum, basi tuberculatum v. cristatum. Columna 
libera, semiteres, apice utrinque alata. Anthera semibilo- 
cularis, rostello nunc abbreviato, nunc elongato rostrato. 
Pollinia 2, posticé sulcata, caudicula plana, glandulé ob- 
longa.—Herbe epiphyte, nunc pseudo-bulbose. Folia cori- 
acea. Scapi paniculati vaginati, rarius simplices. Flores 
speciosi, lutei, sepis maculati, raro albi. 
Specific Character and Synonyms. 
Oncip1um ornithorhynchum ; pseudo-bulbis ovatis diphyllis, 
foliis ensiformibus recurvis scapo paniculato brevior- 
ibus, sepalis lineari-oblongis undulatis reflexis omnino 
liberis, labelli panduriformis lobis lateralibusacutis in- 
termedio bilobo, crista e lamellis 5 crenatis apice ros- 
tratis constante, columne alis cuneatis dentatis, stig- 
mate longe rostrato. Lindl. » 
Oncip1wm ornithorhynchum. Humb. et Kunth, Nov. Gen. 
Am. v. 1. t. 80. Lindl. Gen. et Spec. Orchid. p. 204. 
Batem. Orchid. Mex. et Guatem. t.4. Lindl. Bot. Reg. 
1840, ¢. 10. et Miscell. n. 95. 
This graceful and curious plant is a native of Mexico and 
Guatemala, growing on mountains of considerable eleva- 
tion, and was first made known to this country by G. U. 
SKINNER, 
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