Orchidaceae. 431 



Pktirothallis melanantha Ttchb.f. in Flora (18G5) p. 275. 



PJeurotliallis floripicfa Lindl. in Mem. Amer. Acad. VIII (18G1) 

 p. 219 (nomen ianlnm) ; Gri.seb.! Cat. (1866) p. 260; Sau v. FL Cub. 

 p. 226. 



Flores atropiirpnrci. 



Hab. in Cuba orientall: Wright n. 1509, 3342. 



173. Pleurothallis foliata Griseb. parva, caespitosa; caulibus 

 filiformibus, 4 — 10-articulatis, angulatis, ad angulos interdum sub- 

 tiliter piibenilis, interdum bifurcatis, saepiiis distanter 2 — 3-phyliis, 

 3 — 7 cm. longis; vaginis glabratis, apice abrupte valde dilatatis, api- 

 culatis, margine iucrassatis et brevissirae ciliatis; foliis coriaceis, ovato- 

 ellipticis, apice subrotundatis et interdum minute apiculatis, basi ab- 

 rupte in petiolum 2 — 3 mm. longura angustatis, marginatis, non ciliatis, 

 8 — 11 mm. longis, 5 — 7 mm. latis; pedunculis communibus solitariis 

 vel interdum geminatis, capillaribus, glabris, distanter 4 — 8-floris, 

 15 — 25 mm. longis; pedicellis 2 — 3 mm longis; bracteis adpressis, 

 acuminatis, 1 — IY2 uim. longis; floribus erectis, segmentis tenuiter 

 membranaceis; sepalis oblonge -lanceolatis, acuminatis, uuinervulosis, 

 glabris, 3 mm. longis, lateralibus usque ad apicem connatis; petalis 

 ovatis, acutis, IY2 ^'^^^- longis; labello lineari, obtuso, indiviso, superne 

 brevissirae hirtello, 2 mm. longo. 



Pleurothallis foliata Griseb./ Flor. (1864) p. 610, Cat. p. 260: 

 Sauv. Fl. Cub. p. 226. 



Flores flavescentes , labello apice atropurpureo. 



Hab. in Cuba orientali: "Wright n. 3341; Jamaica: Wilson. 



174. Pleurothallis trilobata Fawc et Rendle: caespitosa; cauli- 

 bus filiformibus, circiter 7 mm. longis; vaginis 2 — 3, ochreatis, osüo 

 ovato acute, muriculatis; folio elliptico, basi in petiolum tenuem an- 

 gustato, 7 mm. longo, fere 3 mm. lato; pedunculis communibus soli- 

 tariis vel geminatis, uni--paucifloris, filiformibus, flexuosis, 2 cm. longis; 

 bracteis spathaceis, lanceolatis, acutis, 6 mm. longis; sepalis ovatis, 

 acuminatis, usque ad medium trinerviis, dorsali 4,3 mm. longo, ly., mm. 

 lato, lateralibus angustioribus et paulo brevioribus, usque ad medium 

 connatis; petalis oblongis, obtusissimis, basi angustatis, uninerviis, 

 1,6 mm. longis, 0,7 mm, latis; labello l^/o mm. longo et fere totidem 

 lato, trilobato, trinervuloso, lobis lateralibus rotundatis, lobo intermedio 

 paulo longiore, oblongo, apice crenulato; columna circiter 1 mm. longa. 



Pleurothallis trilobata Fau-c. et Rendle in Journ. of Bot. XL VII 

 (1909) p.4, Orch. of Jam. ined. t. 3 f 1—6. 



Hab. in Jamaica ad truncos arborum inter Xewhaven Gap et 

 Yiuegar Hill 1300 m. alt, Ulfl: Harns (teste Fawc. et Rendle). 



