2678 LEAFLETS or PrILIPPINE Botany [Vor. VIT, Arr. 114 
or somewhat thickened along the margins, glabrous, shal- 
lowly convex on the back, sunken on the ventral side; palet 
elliptic, hyaline except along the more or less thickened 
margins, a trifle shorter and narrower than the flowering 
glume, well closed in upon the ventral surface of the flower- 
ing glume before anthesis; stamens 3, upon very short hy- 
aline filaments, linear, 0.5 mm long or longer; style also 
very short, the upper dwarfed or sterile, terminating the 
short rachis, flat, darker brown and one half as large, the 
edges appearing minutely ciliate. 
Type specimen number 11578, A. D. E. Elmer, Todaya 
(Mt.. Apo), District of Davao, Mindanao, August, 1909. 
Found in wet sand gravelly soil along the Cati. creek 
upon land slides at 6090 feet altitude on the northeastern 
side of the mountain whose name it bears. "'Buyo" in 
Bagobo. 
As to our Philippine species it is most closely related 
to Isachne beneckei sus Merr. 
¡Y Ischaemum todayense Elm. n. sp. 
Stems reclining and forming tangled masses, a few dm to 
1 m in length, occasionally branched above the middle, the 
apical portion erect or suberect and bearing the leaves, the 
basal one half or more nearly prostrate and somewhat curv- 
ed, rooting at the nodes and usually with dry persistent 
leaves, 5 mm thick toward the base, nodes slightly thick- 
ened, yellowish brown and polished, terete except on the 
side of the branches which is distinctly grooved along the 
whole length of the internodes; branches few, ascending, rare- 
ly rebranched, clothed with the leaf sheath. Leaves likewise 
ascending, rather rigid, linearly lanceolate, the older ones 
becoming recurved, flat or nearly so, slightly paler beneath, 
the upper ones 1 dm long and 1 cm wide, the lower ones 
at least 2 dm long and 3 cm wide, glabrous and nearly 
smooth on both sides, somewhat constricted and truncately 
rounded at the base, slenderly tapering above the middle 
to the setaceous point, duil brown when dry; midvein light- 
er brown in the dry state, quite evidently ridged beneath; 
Sides with 4 to 7 lateral relatively obscure veins; sheaths 
