GENERA AND SPECIES OF THE NATURAL ORDER 

 OF THE 



ORCHIDEiE. 



BY PROF. O. SWARZ. 



' Character gcneralis Orcbldearum. 



FLOS irregularis, ringens s. patens. PI. 3. seq. 



Calyx superus, 4-5-7-phyllus. (Vid. fig. E'.G.M.) 

 Foliola conniventia s. patentia, colorata, mar- 



cescentia : 

 JExterlora duo (G. c.), tria s. quinque (M. a.) 

 quorum unum semper supcrius 8c postcrivs 

 (nisi flos rcsupinatus) saepe fornicatum, fub- 

 inde postice calcaratum (B. a. C. a.) ; duo 

 s. qitatuor (C. b.) lateralia anterior a. 

 bileriora dub lateralia exterioribus alternantia, 

 petaloidea, cum postico superiore interdum 

 connexa galeam formantia. (A. a. b.) 



Corolla : Pet alum unicum sive Labcllum, foliolo 

 calycis superiori oppositum, inter foliola 

 lateralia extcriora Stylo ad basin, medieta- 

 |im s. apicem insertum, basi planum, — ex- 



