( 4017 ) 



Catasetum viridi-flavum. Yellow-green 



Catasetum. 



Class and Order. 

 Gynandria Monandria. 



( Nat. Ord. — Orchide^. ) 



Generic Character. 



Perianthium saepius globosum, nunc explanatum. Se- 

 pala et petala subaequalia. Labellum crassum, carnosum, 

 nudum,, ventricosum vel explanatum, fimbriatum ; sub 

 apice saccatum obsolete trilobum. Columna erecta, apt era, 

 libera, apice utrinque cirrhosa. Anthera subbilocularis, 

 antice truncata. Pollinia 2, postice biloba vel sulcata ; 

 caudicula maxima nuda demum elastice contractili ; glan- 

 dula cartilaginea subquadrata.— Herbae terrestres vel epi- 

 phytes ; caulibus brevibus fusiformibus vestigiis foliorum 

 vestitis. Folia basi vaginantia, plicata. Scapi radicales. 

 Flores speciosi, racemosi, virides, nunc purpureo-maculati. 

 Lindl. 



Specific Name and Character. 



Catasetum viridi-flavum ; foliis oblongis acutis, sepalis 

 patentibus petalisque ovatis acutis concavis, labello 

 subconico-saccato cucullato, ore contracto integro 

 ciliato, anthera columnaque acuminatis. 



Every district of tropical South America seems to afford a 

 Catasetum, different from what is found in other places ; 

 but how far these are to be denned as specifically distinct it 

 is not easy to say. The present, quite unlike in the general 

 appearance of its flowers any other known to us, is yet with 

 difficulty to be distinguished in words. It was discovered 

 by Mr. Barclay, (while employed as Government Botanist 

 on the Pacific side of South America, in H. M. surveying 



Ship 



