130 SWARZ ON THE 



Folio/a tria exteriora, quorum unum posterius 

 (situ Scepissime anteriusj, erectiusculum, 

 concavum s. fornicatum, basi s. medio 

 Calcare postice exsertoj duo anteriora erec- 

 tiuscula. 

 Duo lateralia interiora, minora, diverse figu- 

 rse, styli columnse ad latera utrinque 

 adnata. 

 Cor. Labellum inter foliola lateralia majora ante 

 basin styli insertum, rarius divisum j ecal- 

 caratum. 

 Genit. Stylus e germine infero oblongo, brevissi- 

 mus. 

 Anther a oblonga, stylo adnata, erecta s. in- 

 cumbens cum foliolis cal. interioribus in 

 galea reclinata j bilocularis. 

 Pollen ,ut in Or chide. 

 Stigma globosum prope basin. 

 Per. ut in Orchide. 



N. B. The length of the spur is different in 

 different species, being very long in some, 

 and quite short in others. In Disa Mela- 

 leuca and patens it appears to be entirely 



