0NCIDIUM. 



ORCHIDES. 703 



Peruviae rupcs ad ripas fluminis prope Pangoa. Matthews 1062. 

 Paxt. FI. G. II. 26: A flne species. wiiii brown flowers. whose segments appear 

 to be bordered wiih yeliow. 



3. ONCIDIDM HASTIFKRUM Rchb, fil. in Bonpl. Ap. 15. 1854. L. I. c. sub 3. p. 4: 



0. labelli lacinii.s laleralibus acinaciforraibus denliculalis , intermedia 

 lanceolala acuminala, crislae dente valido acinaciformi lamella utrinque 

 prostrala introrsa, c. alis iigulatis obliquis. 

 Wild in Peru, nenr Loxa— Warscewicz. 



Near 0. macranthum. Upper sepal ovate, wavy ; lalerals longer. wedgeshaped, 

 oblong obtuse. Peials ovate , blunt , somewhat cordate, with very short broad 

 claws. — Rchb. fil. I have a skelch of this from the author. which .shows it to be 

 distinct from all ihe others here enumerated. A great fleshy hooked carina rises 

 from tbe middie of the lower lobe of ihe lip. 

 Rcbb. fil. V. Warscewicz Bonpl. IL 102: 

 Aff'. raacrantho tepalis subsessilibus, hibelli laciniis lateralibus lato 

 acinaciformibus brevioribus, dente in basi laciniae mediae ancipiti aci- 

 naciformi per carinam in gynostemium abeunte , addita utrinque la- 

 mella introrsa proslrata in laciniis lateralibus, gynostemii alis ligulatis 

 obliquis, 



Sepalum summum ovatum, undulalum; unguis vix quintam longus , dimidio infe- 

 riori utrinque auricuiatus, sepala lateralia paulo longius unguiculaia , ipsa longiora, 

 cuneato obionga obtusa. paulo angustiora, basi extrorsa minute auriculata , tepala 

 brevissima ac late uoguiculata ovata obtusata basi subcordata, divaricata. labellum 

 trifldum, laciniae laterales laio acinaciformes . latere poslico extrorsum semilunato 

 minute sinuato dentato, latere antico subrecto, lacinia media sinubus triangulis prope 

 reciis separata a basi semiovala lancea acuminata , dens validus lato acinaciformis 

 carinaeformis in media basi laciniae mediae , addiia uirinque basin anticam versus 

 iamellula ligulata parallela basi adnata. carinula a dorso hujus dentis usque ad pedem 

 gjnostemii ; lamellae prostratae, introrsum semiovatae, infra (basin externam praeier) 

 liberae projectae in laciniis basilaribus, facie sua carinulam longiiudiQalem spectantes; 

 adjecta utrinque falcula in basis laciniae mediae margine extremo ; gynostemio humili 

 acuto alis ligulatis obliquis. Loxa mit HofmeistercUa, Centropetalum, Telipogon. 

 Tricboceros plaiycerOK u. s. w. Plan gerade wie bei Onc. macranihum , nur in allen 

 Punkten wesentlich verschieden. v. Warscewicz. 



4. ONCIDIUM TRIFURCATUM Lindi. Ann. Nat. Hist. XXV. 384. n. 4. p. 4 : 



Flowers large, with yellow on the edges of the petals. Lat. sepals twice as large 

 as dorsal. Crest consisling of ihree fleshy truncate ribs, of vvhich two lie over the 

 third. The two wings of the column are fleshy and scymetarshaped , with a pair of 

 lancel shaped appendages projecting below them. Kear 0. serratuin. 

 Wiid in Peru— Hartweg. 

 Lindl. Ann. N. H. I. c: 

 Sepalis lateralibus unguiculatis spalhulato-obovatis planis, dorsali un- 

 guiculato rotundalo crispo duplo breviore, petalis crispis dorsali raino- 

 ribus, iabello unguiculato tnpartilo, lacimis linearibus truncatis late- 

 ralibus canaliculatis crisla trilamellata , columna telraplera alis supe- 

 rioribus linearibus carnosis apice abruple recurvis , inferioribus rotun- 

 dalis tenuioribus, clinandrii dorso in dente antherifero produclo, rostello 

 membranaceo bifido. 

 Peru (Harlweg). 



I have only seen 3 flowers, They are 3 inches in diam. ; ihe lateral sepals are 

 wholecoloured, ihe dorsal and ihe petals are bordered wilh yellow(?). Near 0. ser- 

 ratum. 



