426 A. CoanIaux: 
trinervulosis, 5—5t/, mm. longis, 2 mm. latis, lateralibus liberis basi 
antice gibbosis; petalis obovato-ligulatis, apice vix ciliatis abrupte 
obtusis, uninervulosis, 2!/, mm. longis, 1'/, mm. latis; labello oblongo- 
subpandurato, obtuso, inferne valde concavo, ad medium recurvo, 
2!/, mm. longo, ®/, mm. lato, disco ad medium tenuiter bicarinato; 
columna tenuiter marginata, 2 mm. longa, basi in pedem 1!/, mm. 
longum producta. | 
Pleurothallis Lanceola Spreng. Syst. Veg. III (1826) p. 731; Lindl. 
Fol. Orch., Pleuroth. p. 40; Griseb. Flor. p. 609. 
Epidendrum Lanceola Sw.! Prodr. (1788) p. 123. 
Dendrobium lanceolatum Sw. in Schrad. N. Journ. Bot. I (1805) 
p. 94, Flor. III p. 1997. 
Dendrobium Lanceola Sw.! Flor. III (1806) p.1539, Adnot. Bot. 
te 8%. 
Specklinia 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 
‚River, St. Georges, Portland, alt. 800 — 1300 m.: Swartz, W. Harris in 
Herb. Bot. Dep. n. 7467, 7520, 7617, 7742. 
163. Pleurothallis Wrightii Rehb.f. densissime caespitosa; cauli- 
bus aggregatis, brevissimis, vaginis hyalinis; foliis petiolatis, ovatis, 
apice obtusissime et minutissime tridentatis, saepe infra purpureis; 
pedunculo capillari, folium aequante; flore nutante, purpureo; sepalis 
ternis, ligulatis, uninerviis; petalis prope duplo brevioribus, spathu- 
latis, obtuse acutis; labello pandurato-ligulato, apiculato, limbo in- 
crassato; columna apice membrana coalita serrulata. 
Pleurothallis Wrightüi Rehb.f. in Flora, 1865 p. 276; Griseb. 
Cat. p. 259 in obs. 
Hab. in Cuba: Wright n. 1509 ex Rehb.f. loc. eit. 
F. Prorepentes Cogn. in Mart. Fl. Bras. III. 4 (1896) p. 576. 
Spec. 164 — 167. 
164. Pleurothallis sertularioides (Sw.) Spreng. pusilla, glaber- 
rima; rhizomate longissimo, ramoso, graeili; caulibus subfiliformibus, 
basi uniarticulatis, 2—4 mm. longis; folio eoriaceo, lineari-spathulato, 
acuto vel obtusiusculo, basi in petiolum filiformem longe angustato, 
13—25 mm. longo, 2— 31/, mm. lato; pedunculo tenuiter capillari, 
unifloro, ad medium minute bibraeteolato, 12—20 mm. longo; sepalis 
tenuiter membranaceis, lanceolatis, longe acuminatis, integerrimis, 
obscure trinervulosis, 31/, mm. longis, dorsali 1 mm. lato, lateralibus 
Bee ad basin liberis, basi gibbosis 1'/, mm. latis; petalis triangulari- 
linearibus, acuminatis, integerrimis, uninervulosis, 3 mm. longis, ;/, mm 
