column cylindric, slightly arcuate, terminated by 2 subquadrate ears with 

 rounded angles, often with prominent cellular margins, up to 6 mm. long; 

 pedicellate ovary cylindric, up to 4 cm. long. 



Distribution: Mexico, prov. oaxaca; Mogone. Nagel 

 5718 (AMES!). — prov. vera cruz; region of Minatitlan. 

 Richards 3828 (AMES!); Sesse & Mocino s.n. (W!). Guate- 

 mala, prov. peten; La Libertad. Lundell 2323 (AMES!). Belize. 

 Spanish Creek. Lundell 3902 (AMES!). Punta Gorda. Catling & 

 Brownell 19.2 (AMES!). — stann creek dist.; Stann Creek 

 Valley. Gentle 2743 (AMES!). — el cayo dist.; Vaca. Gentle 

 2541 (AMES!). — Toledo dist.; near San Antonio. Gentle 5485 

 (AMES!, US!). Honduras, dept. atlantida; La Fragua. 



Ames s.n. (AMES!); Standley 55725 (AMES!). Tela. Standley 

 55246 (AMES!); Erskine s.n. (AMES!). El Salvador. Near 

 Sihuapilapa. Avila 304 (SEL!). Nicaragua, dept. zelaya; near 

 Rio Prinzapolka, Stevens 8267 (AMES!, MO!). San Jose del 

 Hormiguero. Stevens 7126 (SEL!), 18727 (SEL!). Cerro Wayla- 

 was. Pipoly 4500 (SEL!); Stevens 8768 (MO!). Road between 

 Siuna & Matagalpa. Stevens 7473 (MO!). — dept. uli abajo; 

 Vincelli 352 (MO!). — dept. nueva segovia; El Jicaro. Moreno 

 6943 (MO!). — dept. chontales; between Acoyapa & Rio 

 Oyate. Stevens 19119 (SEL!). Rio Micca. Heller 7824A (speci- 

 men) (SEL!). — dept. de rivas; Sandino 533 (MO!). — dept. 

 jinotega; Araquistain & Castro 1973 (MO!); Araquistain & 

 Moreno 1567 MO!). — dept. de boaco; Stevens 5847 (SEL!). 

 Costa Rica. Without locality. Pittier & Tonduz 18 (US!), Endres 

 633 (W!). British Guiana. See above. Surinam. Cottica River 

 near Moengo. Lanjouw 479 (U!). Trinidad. Sta. Cruz. Broad- 

 way 2925 (AMES!). Without locality. Broadway s.n. (AMES!, 

 G!, NY!, US!). Venezuela, delta amacure; Meyer 3558 (U!). 

 Rio Torre, N. of El Palmar. Steyermark 87842 (NY!). 



Field check: 3 rows of lamellae are free from one another at 

 the tips and without accessory tubercles in front. Columnar 

 lobes often with cellular margins. 



Observation: The following illustrations represent this spe- 

 cies: Hamer, Orch. El. Salvador 1: 263, 1974. Hamer in Icon. PI. 

 Trop. pt. 11: t.1013, 1984, only the dissected floral details. 

 Hamer in Icon. PI. Trop. pt. 3, t.1213, 1985. 



210 



