( 4054 ) 



Cycnoches ventricosum; var. Egertonianum. 



Ventricose-lipped Cycnoches, or Swan-neck; 



Sir Francis Egerton's var. 



Class and Order. 

 Gynandria Monandria. 



( Nat. Ord. — Orchide^. ) 



Generic Character. 



Perianthium explanatum. Sepala lateralia lanceolata, 

 basi paululum sub labello connata ; supremo angustiore. 

 Petala latiora, falcata, decurva. Labellum liberum, ecal- 

 caratum, columna continuum, lanceolatum, integerrimum, 

 ungue abrupto calloso. Columna elongata, arcuata, teres, 

 apice clavata, auriculis 2 falcatis ad latera clinandrii. An- 

 thera bilocularis. Pollinia 2, postice sulcata, subpedicel- 

 lata ; caudiculd lineari ; glanduld grossa. — Habitus Cataseti 

 (sed racemus lateralis). Lindl 



Specific Character and Synonyms. 



Cycnoches* ventricosum; sepalis petalisque lanceolatis re- 

 flexis, labello integro ventricoso acuminato basi callo- 

 so, ungue brevij columna arcuata sepalo supremo 

 duplo breviore. Batem. 



Cycnoches ventricosum. Batem. Orch. o/Mex. et Guatem. 

 tab. 5. 



Var. Egertonianum; sepalis petalisque ovato-lanceolatis 

 reflexis, labello columna continuo obovato margine 

 incurvo digitis 5 clavatis utrinque instructo, epichilio 

 lineari membranaceo digitis vix longiore. Batem. 



Cycnoches Egertonianum. Batem. Orchid. o/Mex. et Gua- 

 temala. 



Cycnoches 



* 



So called by Mr. Lindley, from tmm, a swan, and *wtn», a neck, from 

 the resemblance of the column to the curved neck of a swan. 

 VOL. XVII. C 



