ORCHIDACEAE QUAEDAM AMERICANAE 
9 mm. long, about 4 mm. wide, strongly concave, elliptic- 
oblong, acute, glandular-hairy on the dorsal surface, 3- 
nerved. Dorsal sepal similar, subacute or obtuse, 8 mm. 
long. Petals about 8 mm. long, 2.5 mm. wide, elliptic- 
oblong, obtuse, 1-nerved, margin and dorsal surface glandu¬ 
lar-hairy. Labellum 1 cm. long, very fleshy, narrowly 
elliptic-oblong, rounded at the apex, sulcate through the 
middle above, minutely glandular, but not hairy, except for 
the two basal calli, one on each side. Column 5 mm. long, 
curved backward, dilated above, urceolate at the summit, 
pubescent in front. 
Gomphichis valida Reichb. f. is a near ally, but different 
in having a smoothish column. 
Colombia, State of Cauca, Paramo de Moras, between 
Mozoco and Pitayo, Tierra Adentro, H. Pittier 1397, 
February 1906. 3000-3500 meters altitude. (Type in U. S. 
Nat. Herb. No. 531592.) 
Physosiphon Cooper! Ames sp. nov. Radices fibratae. 
Caules secundarii erecti, monophylli, vaginis tubulatis, 
prope apicem infundibuliformibus vestiti. Folium apice 
bilobulatum, breviter petiolatum, anguste ellipticum. Pe- 
dunculus folio longior, multiflorus. Flores parvi. Sepala 
carinata, acuta. Petala abbreviata, oblonga, apice irregu- 
lariter lobata. Labellum trilobatum, incrassatum, lobis 
lateralibus antice rotundatis, callo ornato, lobo medio 
obtuso, incrassato. Columna apice irregulariter dentata, in 
pedem brevem producta. 
Roots fibrous, whitish, less than 1 mm. thick, smooth. 
Secondary stems 1.3-2 cm. long, slender, erect, monophyl- 
lous, concealed by several loosely oppressed tubular sheaths, 
which are .5-1.5 cm. long, dilated at the mouth, elongated- 
infundibuliform, brownish when dry. Leaf with the petiole 
up to 6 cm. long, lamina 3.5-4.5 cm. long, 9-13 mm. wide, 
narrowly elliptical, bilobed at the marginate summit with a 
short apicule between the lobes, sulcate through the middle 
on the upper surface. Petiole 1-1.5 cm. long, rather slender, 
sulcate. Peduncles 1-3, with the raceme up to 7 cm. long, 
paucibracteate below the inflorescence. Raceme up to 5 cm. 
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