Minpanao: Malangas, Zamboanga District, October 26, 1919, 
Ramos & Edaiio 37063 (Tyre in Herb. Ames No. 44400). 
Saccolabium brevirhachis L. O. Williams sp.nov. 
Folia disticha, elliptica vel oblanceolata, obtusa vel 
apice leviter retusa et obliqua, coriacea. Inflorescentia 
brevis, plusminusve quindecimflora; rhachis leviter in- 
crassata; bracteae breves, inconspicuae. Sepalum dorsale 
lanceolatum, acutum, naviculare, trinervium. Sepala lat- 
eralia lanceolata, acuta, leviter obliqua, trinervia. Petala 
lineari-lanceolata, acuta vel obtusa, trinervia. Labellum 
valde concavum, obscure trilobatum ; lobi laterales erecti, 
triangulares, prope labelli apicem; lobus medius parvus, 
carinatus. Columna generis. 
Size of plant unknown. Leaves distichous, elliptic to 
oblanceolate, obtuse or slightly retuse and oblique at the 
apex, coriaceous, 10-15 cm. long, 2-8 em. broad. Inflo- 
rescence short, about 15-flowered ; rachis somewhat thick- 
ened, 2-8 cm. long; bracts short, inconspicuous, about 
1 mm. long. Dorsal sepal lanceolate, acute, navicular, 
3-nerved, about 6 mm. long and 2.5 mm. broad. Lateral 
sepals lanceolate, acute, 3-nerved, slightly oblique with 
the margins somewhat inrolled toward the apex, about 
6mm. long and 2.5 mm. broad. Petals linear-oblanceo- 
late, acute or obtuse, 3-nerved, about 4.5—-5 mm. long 
and 1—1.5 mm. broad. Lip deeply concave (not spurred), 
minutely 3-lobed, about 4mm. long, 1.5 mm. broad and 
2mm. in depth; lateral lobes erect, triangular, situated 
near the apex of the lip, about 0.5 mm. long; mid-lobe 
small, much thickened. Column small, about 1 mm. long; 
column-foot obscure; rostellum prominent, lanceolate. 
Saccolabium brevirhachis is closely allied to S. Loheri 
Ames and apparently (from the description) also to S. 
sarcochiloides Schltr. From both of these species S.bre- 
virhachis may be distinguished by the shorter perianth 
parts which are (on the average) 2 mm. shorter and by 
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