ORCHIDACEAE QUAEDAM AMERICANAE 
obliquely infundibuliform, acute, about half as long as the 
pedicels. Pedicel and ovary 2.5 mm. long. Flowers brown¬ 
ish in dried specimens. Lateral sepals 2 mm. long, 2 mm. 
wide, broadly ovate, tapering to the obtuse or subacute 
apex, coherent near the base, 3-nerved, fleshy. Dorsal sepal 
similar, acute. Petals hardly 1 mm. long, 1 mm. wide at the 
apex, thickened, narrowly triangular in cross section at the 
tip, broadly rhomboid from a wide base, obtuse angled at the 
summit, 3-nerved. Labellum 1 mm. long, about 1 mm. 
wide, much thickened, subrhomboidal from a wide base, 
obtuse angled at the tip, with a transversely thickened callus 
in the middle. Callus dilated at each side, constricted at the 
center, apical half of the lip in front of the callus strongly 
concave. Column dilated above, equalling the petals. 
Closely allied with Stelis gracilis Ames and S. sarcodantha 
Schltr. From S. gracilis it is distinct in the broad sepals and 
stouter peduncles. From S. sarcodantha it differs in having 
less leathery leaves, a more slender inflorescence, shorter 
secondary stems, and a differently shaped labellum. 
Guatemala, Department of Alta Verapaz, Banks of 
Chisaxte River, below Secanquim, H. Pitiier 308, May 9, 
1905. 250 meters altitude. (Type in U. S. Nat. Herb. 
No. 472971.) 
Stelis vagans Ames sp. nov. Herba scandens. Caules 
secundarii monophylli. Racemus gracilis, multiflorus. Sepala 
ovata, acuta. Petala flabellata, apice angulato-rotundata. 
Labellum trulliforme, acutum. Columna crassa, ad apicem 
antice bilobulata. 
Stems branching, apparently scandent, rooting, about 3 
mm. thick. Secondary stems (branches) about 3 cm. long, con¬ 
cealed by several tubular nervose sheaths, obliquely ascend¬ 
ing, unifoliate. Leaf ligulate, tapering to both ends, with 
the petiole 3-5 em. long, 5-11 mm. wide, coriaceous. Pe¬ 
duncle with the raceme up to 7 cm. long, emerging from a 
complanate sheath near the base of the petiole, floriferous 
almost to the base. Floral bracts 2.5 mm. long, infundibuli¬ 
form, acute, embracing the rachis, about 2 mm. apart, ex¬ 
ceeding the pedicellate ovary. Lateral sepals coherent at 
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