Orchidacoae. 429 



Plr/oolJmlh'.s cillom Kn. ei Weste. Fl. Cah. II (1838) p. 78; TJridl. 

 Fol. Orch., rieuro/Jf. p. 26; Cogn. in Marl. Fl. Bra.s: III 4 p. 585. 



Specldhiia cilians Lindl. in Bot. Reg. XXIV (1838) Mine. p. 31 



Pleurothallis lepantliiformis Rehlj.f. in Li/znaea XVIII (1845) 

 p. 398; Griscb. Flor. p. 610. 



Flores purpurei vel purpnreo-maculati. Fl. I — III. 



Hab. in Trinidad: Crueger n. 45. — Mexico, Venezuela, Siirinaiu. 



169. Pleurothallis orbieularis Lindl. parva, dense caespitosa; 

 caulibus gracilibus, 3 — (i-aiticulatis, 3 — 8 cm. longis; vaginis hirtcllis, 

 apice abrupte valde dilatati.s, niargine iucrassatis ciliatisque, 1 — 2 cm. 

 longis, supremis subfoliaceis; folio coriaceo, breviter petiolato, ovato- 

 elliptico vel interdum subrotundato, marginato, apice acutiusculo et 

 miuutissime tridenticulato, basi paulo angustato, 3 — 4 cm. longo, 12 — 

 22 mm. lato; peduuculis commiinibus geminatis vel fasciciilatis, capil- 

 laribus, glabris, bifloris rarius 3 — 4-floris, 1 — l'^j^ cm. longis; pedi- 

 cellis bracteisque 1 mm. longis; floribus patulis, secundis; sepalis 

 membranaceis, lineari-lanceolatis, acutis, uninerviis, glabris, 3 mm. 

 longis, ^3 mm. latis, lateralibus nsque ad medium connatis basi gib- 

 bosis; petalis lineari-oblongis, aciiminatis, uninerviis, iisque ad basin 

 laciuiato-serrulatis, 1 — lY4mm. longis, Vg — Yg ^^^^- latis; labello 

 caruosulo, brevissime angusteque unguiculato, lineari-linguiformi, apice 

 in aristam recurvam longe producto, margine superne ciliato, 2 mm. 

 longo, Ya J^J^- la^05 columna clavata, 1 mm. longa, membranaceo- 

 marginata, clinandrio postice lacero, antice bidentato. 



Pleurothallis orbieularis Lindl! in Bot. Reg. XXVIII (1842) 

 Mise. p. 79, Fol. Orch., Plcuroth. p.25; Kränxl. in Rchhf. Xen. Oreh. 

 III p. 88 t. 248 f. III, 7— 13; Cogn. in Marl Fl. Bras. III. 4 p. 586. 



Specklinia orbieularis Lindl. in Bot. Reg. XXIV (1838) p. 31. 



Pleurothallis biflora Focke! in Tijdschr. Natuur. Wetensc/i. II 

 (1849) p. 197; Griseb. Flor. p. 609. 



Flores flavescentes vel purpiirascentes , labello atropurpureo. Fl. 11, 111. 



Hab. in Grenada in sylvis montanis: Eggers n. 6137, Sherring, 

 Broadway n. 1171, 1495; Trinidad ad arbores in sylvis humidis ad 

 Arima, Aripo Savaunah: Crueger, Bradford, B. Othmer n. 332. — Guiana. 



170. Pleurothallis hlepharophylla Griseb. pusilla, caespitosa; 

 caulibus filiformibus, 3 — 4-articulatis, glabris, 10 — 15 mm. longis; 

 vaginis levissime hirtellis, apice abrupte dilatatis, longiuscule apiculatis, 

 margine incrassatis et breviter ciliatis; folio submembranaceo, anguste 

 ovato-elliptico, apice acute, basi subabrupte in petiolum 2 — 3 mm. 

 longum angustato, maiginato, margine breviter ciliato, 7 — 10 mm. 

 longo, 4 — 5 mm. lato; peduuculis solitariis vel geminatis, capillaribus. 



