Epiphytic, erect plants up to 40 cm. tall; roots fleshy, rather coarse, branch- 

 ing, flexuous, glabrous; stems from a bulbous base suberect to arcuate, some- 

 what flexuous, leafy; leaves alternate, linear-lanceolate, obtuse or somewhat 

 unequally bilobate apex, up to 10 cm. long, 1.2 cm. wide, usually smaller; 

 inflorescences fasciculate, produced in succession, short, few-flowered; bracts 

 ovate-cucullate, acute, up to 4 mm. long; flowers large; dorsal sepal ovate- 

 lanceolate, acuminate, up to 1.8 cm. long, 5 mm. wide; lateral sepals obliquely 

 ovate-lanceolate, acuminate, up to 1.8 cm. long, 6 mm. wide; petals from a 

 cuneate base, subrhombic, obovate-oblanceolate in outline, acute to acumi- 

 nate, up to 2 cm. long, 1 .2 cm. wide; lip from a cuneate base, obovate, subtrun- 

 cate to retuse at apex, rarely obcordate; callus 3-parted, lamellate, without a 

 central row of lamellae, basally united into a fleshy ridge; whole lip up to 2 cm. 

 long, 1.3 cm. wide; column short, 4 mm. long, with a pair of obliquely and 

 transversely quadrate-oblong ears; pedicellate ovary cylindric, up to 4 cm. 



long. 



Distribution: Colombia, dept. valle; Zarzal. Pennell, Killip 

 & Hagen 8400 (AMES!, NY!, US!); Cuatrecasas 22094 (AMES!, 

 F!). Cali. Lehmann 880 (G!); Lehmann s.n. (W!). La Paila. Hol- 

 ton s.n. (NY!) Las Juntas. Lehmann 129 (W!). Timbe. von 

 Sneidern 1114 (F! NY!) Victoria. Andre s.n. (NY!) Pance. 



(AMES 



forests 



(AMES!, L!, NY!). — dept. norte de santander; 



Ocana. Bruchmueller s.n. (W!). — ] 

 brada Sororia. Haught 3617 (AMES 



Q 



& 



Renteria 19991 (SEL!). 



M 



(AMES!). — dept. cesar; Rin- 



(MO 



m 



lamell 



merandra 



Type: Peru. Prov. Bagua; Dept. Amazonas. Hutchinson 1542 

 (AMES!) Holotype. (F!, UC!) Isotypes. 



Plantae epiphyticae, erectae; caulibus suberectis, arcuatis, flexuosis; foliis 

 linearibus, apice paululo inaequaliter rotundatis; inflorescentiis fasciculatis, ad 

 5, paucifloris; bracteis ovato-lanceolatis, acuminatis, cymbiformibus; floribus 

 carnosis; sepalo postico lanceolato-elliptico, acuminato; sepalis lateralibus 

 ovato-lanceolatis, subfalcatis, acuminatis; petalis late ellipticis, acutis; labello e 

 cuneata basi subquadrato-spathulato, truncato, disco multilamellato in 3 lin- 

 eas, utrinque callo bicruri donato; columnae alis ovato-lanceoloatis, acuminatis. 



Epiphytic, erect plants, up to 25 cm. tall; roots rather slender, glabrous; 

 stems suberect, arcuate, flexuous, completely enclosed in tightfitting, imbricat- 

 ing sheaths; leaves linear, rounded at the somewhat unequally lobulate apex, 



206 



