Orchidaceae. 407 



obtusis, lateralibus diiplo longioribus usque ad apicem connatis; petalis 

 linearibus, apice angustatis, deflexis; labello cordato-ovato, obtusius- 

 culo, sepalis subaequilongo. 



FleAirothalUs discoidea Lindl. in Bot. Hey. XXI (1835) imbt.1797, 

 Fol. Orch., Pleuroth. p. 19; Griseb. Flor. p. 608. 



Labellum flavum, ad medium macula oblonga sanguinea ornatum. 

 Hab. in Trinidad ex Lindl. loc. cit. 



D. Depaiiperatae Cogn. in Marl. Fl. Bras. III. 4 (1896) p. 453. — 

 Spec. 127 — 131. 



127. Pleurothallis Wilsoiii Lindl. glaberriraa; rhizomate repente, 

 elongato, subl'ilifürmi; caulibus remotiusculis, ascendentibus, filiformi- 

 bus, superne acute tetragonis, supra basin imiarticulatis, 3 — 5 cm. 

 longis; folio sessiii, chartaceo, elliptico-lanceolato, basi satis angustato, 

 apice aciitiusculo et miniite tridenticulato, 8 — 472 c"^- longo, 5 — 9 mm. 

 lato; pedunculis unifloris, solitariis vel rarius geminatis, capillaribus, 

 6 — 14 mm. longis; sepalis tenuiter membranaceis, trinervulosis, dorsali 

 oblongo-subspathulato, obtuso, sy^ — 4 mm. longo, 1 mm. lato, laterali- 

 bus paulo brevioribus, triangularibus, acutis, basi I72 ninn- latis, fere 

 usque ad apicem connatis; petalis pellucidis, anguste ovatis, acutis, 

 uuinerviis, margine subtiliter serrulatis, IY2 — iVi ^™- longis, ^4 ^^'^^ 

 latis; labello carnosulo, anguste ovato-rhomboideo, obtuso, tenuiter 

 papilloso, leviter trinervuloso, margine obscure denticulato, 27., mm. 

 longo, IY2 nim. lato; columna P/., nim. longa, basi in pedem 1 mm. 

 longum producta. 



Pleurothallis Wilsoiii Lindl.! in Ann. and Mag. Nat. Hist. III ser. I 

 (1858) p. 326, Orch. Wr. p. 2, Fol. Orch., Pleuroth. p.l7 (pari.); Griseb. 

 Flor. p. 608; Urb. Fl. Portor. p. 171; Faivc. et Pendle, Orch. of Jam. 

 ined. t. 9 f. 8. 



Flores viricli-Iutei , intus violaceo-striati. Fl. VIII — XI; h\ IV, V, XII. 



Hab. in Jamaica: Wilson; Portorico in arboribus sylvae 

 primaevae prope Cayey ad ripam flumiuis Plata circa Cidra, prope 

 Coamo in convalli fluminis circa Farajones, prope Adjuntas in fruti- 

 cetis Coffeae arabicae montis Bayaya et Galsa: Sintenis n. 2064, 3249, 

 4241, 4285; Guadeloupe in arboribus et in rupibus ad Vieux- 

 Habitants et ad Polygone militaire: Duss n. 3536, 4139. 



128. Pleurothallis coiifiisa Fawc. et Pendle: glaberrima; rhizo- 

 mate repente, elongato, subfiliformi; caulibus remotiusculis, ascen- 

 dentibus, subcapillaribus, acute tetragonis, supra basin uniarticulatis, 



IV2 — 2Y2 cm. longis; folio sessiii, chartaceo, oblongo-subrhomboideo. 

 utrinque satis angustato, apice minute tridenticulato, 15 — 25 mm. longo, 



