848 ORCHIDES. 



ODONTOGLOSSBM. 



77. ODONTOGLOSSUM PULCHELLUM Baieman in Bot. Reg. 1841. t. 48; Bot. Mag 

 t. 4104. L. F. Nr, 63: 



0, pseudobiilbis oblongis conipiessis ancipitibus diplyllis, foliis 11- 

 nearibus (vix semuncialibus pedaiibus) apice oblique emarginatis, scapo 

 foliis aequali ancipili debili apice racemifero 6-7-floro, bracteis berba- 

 ceis linearibus acuminalis, sepaiis ovatis aculis, petalis obovatis acutis 

 subundulatis, labelli trilobi laciniis lateralibus triangularibus intermedia 

 oblonga subquadrata apice recurva. callo baseos canioso antrorsum 

 hippocrepico retrorsum trilobo, columnae alis et clinandrio laceris. 

 Wild in Guatemala— Skinner. 



Tlie more siriking features in iliis species are long thin pseudobulbs, very narrow 

 grassy leaves, and a singie protuberance ai ihe base of the white lip. This protube- 

 rance is deep yellow spolted with crimson, very fleshy, Orra and shining, and is al- 

 most horseshoe-shaped in front, while it is distinctly ihreelobed behind, in conse- 

 quence of two deep depressions. 



78. ODONTOGLOSSUM EGERTONI Lindl. Bot. Reg. 1845. Misc. p. 50. L. F. Nr. 64; 



0. scapo ancipili, racemo secundo, bracteis herbaceis linearibus acu- 

 minatis ovario diiplo brevioribus, sepalis petalisque ovatis acutis, labello 

 acuto basi excavalo denlibus duobus supra excavationem inflexis postice 

 rotundato cordato, clinandrii lobis subintegris. 

 Wild in Guatemala? 



This is known in gardeus as a variety of 0. pulchellum, than which it is smaiier 

 in all its parts , and from which it differs in the lip being quite acute, by no means 

 hastate, nor almost truncate, and with an excavation at its base in lieu of ihe triple 

 fleshy lubercle of 0. pulcheilum. Flowers pure white. Its native country is not 

 certainly known. 



79. ODONTOGLOSSUM ROSEUM Lindl. in Benth. Pl. Hartw. p. 151. L. F. Nr. 65: 



0. foiiis oblongo - lanceoialis racemo gracili duplo brevioribus, 

 bracteis ovatis concavis subangulatis pedicellis duplo brevioribus, se- 

 palis pelalisque ianceolatis, labello trilobo basi bilamellato; lobis latera- 

 libus nanis rolundalis intermedio obcuneato aculo, columna elongata 

 apice alis 3 inembranaceis inlegris aucta. 



Wild in Peru ; Quebrada de ias Juntas; August— Hartweg. 



Leaves from ihree to fivc inches long. Raceme about a span long. Flowers 

 brighi rose-colour, something less than an inch in diameter. 



Species insufficienlly known. 



80. ODONTOGLOSSUM GHIESBREGHTIANUM Acli. Rich. in Annal. Sc, Jan. 1845 

 L. F. Nr. 67: 



Pseudobulbis ovoideis compressis 3-phyllis; scapo pedali 3 — 6-floro; 

 floribus liiteis brunneo-maculatis: labello luleo, longe unguiculalo, trans- 

 verse orbiculari , emarginato, sepaiis duplo longiori, ungue lineari basi 

 hinc et illinc obluse auriculalo, superne bi-cristato. 



Mezico. 





