424 A. Cosnlaux: 
Rivieres, Bassin-Bleu, alt. 500— 1000 m.: Duss n. 3341; Dominica: 
Henslow, Imray, Ramage, Eggers n. 90; Martinique ad Calebasse, 
Ajoupa-Bouillon, Camp de l’Alma, Lorrain, Riviöre Roche, Deux- 
Choux: Duss n. 390, 391, 395”, 4492, 4654. — Guiana anglica. 
159. Pleurothallis Helenae Fawe. et Rendle: pusilla, caespitosa, 
glaberrima, tota 3—5 cm. alta; caulibus brevissimis, vaginis brevibus 
ochreatis acutis; foliis oblanceolatis, basi in petiolum angustatis, cum 
petiolo 10—15 mm. longis; pedunculo communi filiformi, paucifloro, 
quam folia duplo longiore; bracteis ochreatis, acutis; floribus longe 
pedicellatis; sepalis liberis, patentibus, ovatis, caudatis, margine inte- 
gerrimis, eireiter 4 mm. longis; petalis subrhomboideis, superne fim- 
briatis, apice caudatis, quam sepala '/, brevioribus; labello quam 
petala subduplo breviore, trilobato, lobis lateralibus late rotundatis, 
superne fimbriatis, lobo intermedio ovato, obtuso; columna cum 
anthera conica labello aequilonga; capsula obovoidea. 
| Pleurothallis. Helenae Fawe. et Rendle in Journ. of Bot. XLVII 
(1909) p. 4, Orch. of Jam. ined. 1.9 f. 9—1A. 
; Flores pallide virides, labello chermesino variegato, columna cherme- 
sino lineata. Fl. VII, fr. VII. 
Hab. in Jamaica ad truncos arborum secus Mabess River, 
1150 m. alt.: Harris. 
160. Pleurothallis mueronata Lindl. perpusilla, caespitosa, 
glaberrima; caulibus fere nullis; foliis minutissimis, submembranaceis, 
oblongo-subspathulatis, apice obtusis vel rotundatis et breviter mucro- 
natis, basi in petiolum longiusculum angustatis, tenuiter marginatis, 
superne subtiliter serrulatis; pedunculo communi solitario, tenuiter 
capillari, apice 1—3-floro, folio multo longiore; bracteis acuminatis, 
pedicellis multo brevioribus; floribus longiuseule pedicellatis, segmentis 
hyalinis; sepalis aequilongis, ovato-lanceolatis, longiuscule acuminatis, 
subtiliter trinervulosis, margine integerrimis, lateralibus angustioribus 
usque ad basin liberis; petalis late oblongis, subabrupte acutis, uni- 
nervils, pFope apicem minute denticulatis, sepalis subdimidio breviori- 
bus; labello vix unguiculato, sepalis satis breviore, subtiliter papilloso, 
ambitu late ovato, profunde trilobato, lobis lateralibus anguste trian- 
gulari-falcatis, acutissimis, margine leviter laciniatis, lobo terminali 
producto, late linguiformi, margine integerrimo, apice subrotundato, 
longitudinaliter ad medium inerassato. 
Pleurothallis mueronata Lindl.! in Mem. Amer. Acad. n. s. VIII 
(1861) p. 219 (nomen tantum); Griseb. Cat. p. 258 (nomen); Sauv. 
Fl. Oub. p. 226 (nomen). 
Folia patula vel erecto-patula, rigidi , en 
ji gidiuscula, petiolo filiformi, 2-—3 mm. 
Jongo; limbo subplano, 4—5 mm. "longo, 1,2), mm. ER Pedun- 
