, ^ NEW OR NOTKWOirrilY ORCHIDS 
A tall leafy herb of which only the upper part of a stem 
has been examined. Stem complanate above, entirely con¬ 
cealed by the sheathing petioles of the leaves. Petioles about 
9 cm. long, equitant, conduplicate, about 2 cm. wide when 
spread out, ascending, persistent, longitudinally nervose, 
rigid. Leaves 18 cm. long, up to 1.8 cm. wide, jointed to the 
sheathing petioles, deciduous, ligulate, attenuated at the ends, 
I obliquely'' ascending. Inflorescence terminal, capitate, sessile 
I in the axil of the uppermost leaf, about 3 cm. long, and 3 cm. 
I in diameter, densely bracteose, many-flowered. Pedicellate 
ovary about 8 mm. long, triangular in cross-section, 3- 
winged, tapering gradually upward. Lateral sepals 4 mm. 
long, 2 mm. wide when spread out, lanceolate, cymbiform, 
externally carinate along the middle nerve, thickened and 
laterally compressed at the apex. Dorsal sepal 3 mm. long, 
2 mm. wide, lanceolate, acute, concave, ecarinate, hardly 
thickened at the tip. Petals 3 mm. long, 1 mm. wide below 
the middle, narrowly lanceolate, acute, membranaceous. 
Labellum 4 mm. long, 2 mm. wide across the orbicidar obtuse 
it ^ epichile; hypochile 1.5 mm. long, aboul 2 mm. wide, fleshy, 
ventricose, rounded beneath, closed in front by a transverse 
erect septum. Column 2.5 mm. long, 1 mm. wide, tridentate 
at the summit. 
In habit resembling Agrostophi/lluni philippincnse Ames, 
from which it differs in the form of the epichile and in having 
broader petals. From the closely related Agrostophijllum 
longifolium Reichb. f. it differs chiefly in the details of the 
epichile. 
PiiiLippiNKS, Luzon, Laguna Province, Los Banos, 
Mount Maquiling, A. D. E. Elmer 18047, ,lune-,luly, 1917. 
(Type in Herb. Ames No. 16333.) 
^ • Ceratostylis Elmeri Ames sp. nov. Ilerba epiphytica, 
caespitosa, caulibus pendulis. Radices graciles, albido- 
villosae. Rhizoma valde curvatum, vaginis retinerviis 
obtectum. Vaginae amplae, rufae, elongatae, persistentes, 
usque ad basim folii attingentes. Folium rigidum, ascendens, 
atroviride, lineare, semiteres, apice inaequaliter bilobatum. 
Pedunculus elongatus, bracteatus, uniflorus. Sepala lateralia 
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