Orchidacoae. 409 



Pleurothallis Morrisn Faivc. et Renale in Jonni. of Bot. XLVII 

 (1909) j}- ''^, Orch. of Jam. ined. t. 9 f. 1 — 4. 



Hab. in Jamaica: D. Morris n. 28 (teste Fawc. et Reudle). 



181. Pleurothallis odontotepala Rchb.f. dense aggregata; caiili- 

 biis aucipitibus, folio lungioribus, bi— trivaginatis, vagiiiis apice aciitis; 

 l'üliü oblongo, acuminato, angustato, apice bidentato; racemo abbreviato, 

 bifloro, spatha triangiila parva; bracteis triangulo-navicularibus, 

 pedicellüs subaequantibus; sepalo summo triaügulo, inferiori ovato 

 acuto bidentato; petalis falcatis, margine siiperiore apiceni versus 

 unidentatis; labello ab ungue medium versus hastato, apicem retusum 

 versus subito attenuato, apice scrrulato; columua elongata, gracili. 



PleurotltalUs odontotepala Rchb.f. in Flora (1865) jj. 275; Griscb. 

 Cat. p. 258; Sauv. Fl. ChIk p. 225. 



Hab. in Cuba: Wright n. 3349 ex Rchb.f. 



E. Caespitosae Cogn. in Marl. Fl. Bras. III. 4 (1896) p. 476. — 

 Spec. 132 — 139. 



132. Pleiirotliallis rotiincUfolia Rolfe: nana, caespitosa; petiolo 

 2 — 4 mm. lato; folio orbiculari-obovato, carnoso, apice minutissime 

 tridenticulato, marginato, 6 — 8 mm. longo, 5 — 7 mm. lato; pedunculo 

 communi gracillimo, circiter 6-floro, 4 — 4Y2 cm. longo; pedicellis 

 4 mm. longis; bracteis basi tubulosis, apice triangulari-ovatis, acutis, 

 1 mm. longis; sepalis acutis, dorsali oblonge, concavo, 4 mm. longo, 

 lateralibus oblongis, fere omnino connatis apice brevissirae bidentati-s, 

 4 y., mm. longis; petalis spathulato-oblongis, subobtusis, lY-.» nim. longis; 

 labello subrecurvo, integro, oblongo, obtuso, IV2 i^ii^- longo; columna 

 clavata, marginibus alatis, apice acuta, 1 mm. longa. 



FleurotlialUs rolundifoUa Rolfe in Kew Bull. (1895) p. 191, in 

 Orch. Rev. III p. 306; Faivc. et Reudle Orch. of Jam. ined. t. 8 fll—16. 



Flores straminei, sepalo dorsali lineis 3 purpureis ornato, labello in- 

 ferne rubre -purpureo. 



Hab. in Jamaica: Morris. 



133. Pleurothallis Grrisehaehiaiia Cogn. (n. sp.): nana, caespi- 

 tosa, glaberrima; caulibus brevissimis, filiformibus, teretiusculis, prope 

 basiu uniarticulatis; folio submembranaceo, anguste oblongo-subspathu- 

 lato, apice obtuso vel subrotundato et tenuissime tridenticulato, basi 

 in petiolum longiusculum insensim angustato, marginato; pedunculo 

 communi solitario, capillari, usque ad medium sparse pliirifloro, folio 

 multo longiore, basi spatha brevissima incluso; bracteis tubulosis, 

 superne dilatatis, apice oblique truncatis et breviter apiculatis, pedi- 

 cellis multo brevioribus; floribus distichis, longiuscule pedicellatis, 

 segraentis pellucidis; sepalis lineari- oblongis, uninervulosis, non cari- 



