398 A. ÜoeNIauX: 
7 mm. longis; labello obovato-oblongo, canaliculato, trinervuloso, apice 
subrotundato, 4—4!/, mm. longo; columna gracili, eucullata, 2'/, mm. 
longa. 
Pleurothallis longissima Lindl.! Folia Orch. Pleuroth. (1859) p. 31; 
Griseb. Flor. p. 607. 
Pleurothallis racemiflora Lodd. Bot. Cab. X (1824) t.949; Lindl. 
in Hook. Exot. Fl. II (1825) t.123 et Gen. and Sp. Orch. (1830) p. 6 
(excl. syn., — non in Fol. Orch). 
Flores virides vel viridi-flavescentes. Fl. IX. 
Hab. in Jamaica supra arbores ad St. Mary, Langley, alt. 650 m.: 
Bertero, Wilson n. 359, 671, W. Harris in Herb. Bot. Dep. n. 8118. 
111. Pleurothallis racemiflora (Sw.) Lindl. caespitosa, glaberrima; 
caulibus numerosis, erectis, satis gracilibus, superne leviter compressis, 
infra medium uniartieulatis, 4—10 em. longis; folio coriaceo rigido- 
que, elliptico-oblongo, basi in petiolum 1/,—1!/, em. longum angustato, 
apice subrotundato non vel vix emarginato, 5—10 cm. longo, 13— 
25 mm. lato; racemis solitariis vel rarius 2—3 succedaneis, usque ad 
medium laxiuscule pluri— submultifloris, 10 - 18 cm. longis, basi spatha 
coriacea obtusiuscula dorso acuta 11/,—3 cm. longa inclusis; bracteis 
scariosis, ochreatis, obtusiuseulis, 3—5 mm. longis, floribus distichis, 
breviter pedicellatis; sepalis lanceolato-linearibus, longe acuminatis, 
trinerviis, glabris, carinatis, 7 mm. longis, dorsali 2 mm. lato, laterali- 
bus angustioribus fere usque ad apicem connatis; petalis oblongo- 
ligulatis, subtruncatis, trinerviis, superne incrassatis, dorso puberulis, 
3'/, mm. longis, 11/, mm. latis; Jabello oblongo, obtuso, superne leviter 
attenuato, margine pellucido erispulo, superne breviter trinervuloso, 
petalis aequilongo; columna 2 mm. longa. 
Pleurothallis racemiflora Lindl.! Fol. Orch., Pleuroth. (1859) 
p. 34; Griseb. Flor. p. 607, Cat. p. 257; Sauv. Fl. Cub. p. 225. 
Epidendrum racemiflorum Sw.! Prodr. (1788) p. 125. 
Dendrobium racemiflorum Sw.! Flor. III (1806) p. 1543. 
Pleurothallis oblongifolia Lindl. in Hook. Comp. Bot. Mag. II 
(1836) p. 355, Orch. Wr. 2.8: 
Flores purpurei. Fl. VII; fr. I, II. 
Hab. in Cuba supra arbores ad cacumen montis Nimanima: 
Wright n. 616; Jamaica in rupibus et in arboribus in cacumine 
Catherines, inter Abbey Green et the Peak, ad Cinchona, alt. 1000 — 
1650 m.: Swartz, March, Eggers n. 3543°, 3678, Hitchcock, W. Harris 
in Herb. Bot. Dep. n. 7685, 7818. — Venezuela: Fendler n. 1463. 
112. Pleurothallis univaginata Lindl.caespitosa, glaberrima; cauli- 
bus satis numerosis, erectis, robustis, teretiusculis, inferne uniartieulatis, 
12—25 cm. longis; folio coriaceo, oblongo, basi subabrupte in petiolum 
