( '6i ) 



THIEBAUTIA. Gpiandrla monandrla. Orchidew. 

 Character essentialis genericus. 



Corolla pentapetala erecto-patenSj persistcns. Labcl- 

 liim ecalcaratum trilobum, apice inflexum, superne 

 basim versus costatum. Antliera opercidartSj bilocu- 

 laris, decidaa labil supcrioris, stigtnatis basl anticc 

 adnata. Pollen globosum. 



T. nervosa. Foliis nervosis ensiformibus » scapo 

 simplicissimo subnudo, floribus racemosis atropurpu- 

 reis. N. 



Limodoriim purpureum. Floribus imberbibus pe- 

 dunculatis alternis subracemosis, foliis nervosis ensi- 

 formibus. — Lam., Dict., tom. III, part. 2, pag. /i()5. 



Helleborine purpurea tubcrosa radlceVhMU. , Sp, 9, 

 ic. 178, fîg. 1. 



An epidendrum atropurpureuui foliis subternis lan- 

 ceolatis bulbo innatis, scapo simplici, lamina labelli 

 obcordata, lobis retusis. — Willd., Sp. pl.„ part. 1, 

 tom. IV, pag. 1 15? 



DESCRIPTIO. 



Tuber orbiculatus, inferne radicatus, superne folio- 

 sus, latere scapiferus. Scapus simplicissimus, subnu- 

 dus, racemosus, pedalis. Folla radicalia nervosa, ensi- 

 formia, pedalia. Flores pedunculati, bracteati, squarais 

 lanceolatis vaginantibus brevissimis. Corolla pentape- 

 tala inœqualis, duplici ordine atropurpurea,persistens. 

 Petala tria exteriore inaîqualia; superius lanceolatum, 

 erectum; inferiora obliqua, lanceolato-ovata latiora : 

 petala duo interiora, erecta, lanceolato-ovata apice in- 

 curva, genitalia tegentia. Intra heec labellani ecaica- 



