164 SWARZ ON THE 



are turned upside down, the species be- 

 longing to it have a peculiar habit, which 

 distinguishes them from all the other Orchi- 

 deous plants. 



Species : 

 Malaxis spicata. Flor. Ind. occ. 

 umbellulata - 

 monophyllos. 



Ophrys monophyllos L. 



M. spicata: foliis binis ovatis ; scapo 4-gono 

 racemifero ; labello subtrilobo, medio acu- 

 minato. 



M. umbellulata : foliis binis ovatis ; scapo 5-gono, 

 floribus umbellulatis j labello subtrilobo, 

 medio acuminato. 



M. monophyllos : folio subsolitari-ovato acuto ; 

 scapo triquetro j labello concavo acumi- 

 nato. 



