426 A. COGMAUX: 



trinervulosis, 5 — 5Y2 i^^ni- longis, 2 mm. latis, lateralibus liberis basi 

 antice gibbosis; petalis obovato-ligiilatis, apice vix ciliatis abrupte 

 obtusis, uninervulosis, 27, iiiwi- lougis, 1^4 ni'i^- latis; labello oblonge - 

 subpandurato, obtuso, inferne valde concavo, ad medium recurvo, 

 2Yo mm, longo, ^a ^^^^- ^^^^^ disco ad medium tenuiter bicarinato; 

 columna tenuiter marginata, 2 mm. longa, basi in pedem ly., mni. 

 longum producta. 



Pleitrothallis Lanceola Spreng. Syst. Vcg. III (1826) p. 731; Lindl. 

 Fol. Orch., PIcuroth. p. 40; Griseb. Flor. p. 609. 



Epidendnim Lanceola Siv.I Prodr. (1788) p. 123. 



Dendrobiiini lanceolatum Siv. in Schrad. N. Journ. Bot. I (1805) 

 j). 94, Flor. 171 p. 1997. 



Dendrohium Lanceola Stv.f Flor. III (1806) p.l539, Adnot. Bot. 

 t. 2 f. 5. 



Specldinia Lanceola Lindl.! Gen. and Sp. Orch. (1830) p. 8. 



Flores fulvi vel aurantiaci, labello purpureo, margine luteo. Fl. II, XI. 



Hab. in Jamaica supra arbores ad Blue Mountains, prope Mabess 

 Eiver, St. Georges, Portland, alt. 800 — 1800 m.: Swartz, \V. Harris in 

 Herb. Bot. Dep. n. 7467, 7520, 7617, 7742. 



163. Pleurotliallis Wrightii Rchb.f. densissime caespitosa; cauli- 

 bus aggregatis, brevissimis, vaginis hyalinis; foliis petiolatis, ovatis, 

 apice obtusissime et minutissime tridentatis, saepe iufra purpureis; 

 pedunculo capilJari, folium aequante; flore nutante, purpureo; sepalis 

 ternis, ligulatis, uuinerviis; petalis prope dupio brevioribus, spathu- 

 latis, obtuse acutis; labello pandurato-ligulato, apiculato, limbo in- 

 crassato; columna apice membrana coalita serrulata. 



Pleurothallis Wrightü Rchb.f. in Flora, 1865 p. 276; Griseb. 

 Cat. p. 259 in obs. 



Hab. in Cuba: TVright n. 1509 ex Rchb.f. loc. cit. 



F. Prorepeiites Cogn. in Hart. Fl. Bras. III. 4 (1896) 7;. 576'. 

 Spec. 1G4 — 167. 



164. Pleurothallis sertularioides (Sw) Spreng, pusilla, glaber- 

 rima; rhizomate longis'simo, ramoso, gracili; caulibus subfiliformibus, 

 basi uniarticulatis, 2 — 4 mm. longis; folio coriaceo, lineari-spathulato, 

 acuto vel obtusiusculo, basi in petiolum filiformem longo angustato, 

 13 — 25 mm. longo, 2—3^/2 i^im- lato; pedunculo tenuiter capillari, 

 unifloro, ad medium minute bibracteolato, 12 — 20 mm. longo; sepalis 

 tenuiter membranaceis, lanceolatis, longe acuminatis, integerrimis, 

 obscure trinervulosis, SVg mm. longis, dorsali 1 mm. lato, lateralibus 

 usque ad basin liberis, basi gibbosis IY2 ^^- latis; petalis triangulari- 

 linearibus, acuminatis, integerrimis, uninervulosis, 3 mm. longis, Y^ mm 



