January 11, 1911] New AND Notrewortiy RUBIACEAE 1041 
part whitish and as hard as a camote; stem 3 cm. thick 
including the spines, 3 to 5 cm. long, unbranched, densely 
and similarly echinate along the shoulders of the inflorescent 
grooves which alternate with 4 grooves of horizontal rows of 
leaves. Leaves ascending, flat, rigidly coriaceous, nearly alike 
green on both sides, quite ample especially toward the end, 
drying brown, the larger blades 1 dm. long, 3 cm. wide 
above the middle, glabrous, oblanceolate, rather abruptly 
acuminate at the apex, slenderly cuneate toward the base, 
the entire margins slightly involute in the dry state, arranged 
in 4 horizontal rows, leaving conspicuous scars after falling; 
midvein prominently raised on the lower surface, conspicuous 
clear to the apex, the oblique 4 to 6 lateral pairs very 
faint; petiole 1 cm. long or longer, stout, glabrous, grooved 
on the upper side; stipule dry, brown, nearly 1 cm. across, 
forming a sort of a circular plate to the base of the petioles, 
with an obtuse lobe on each side of the petiole above 
the middle, the sides and lower surface usually echinate. 
Flowers and fruits usually scattered in small groups along 
the bottom of 4 rather deeply channelled horizontal. grooves 
alternating with the foliage rows; flowers white; fruits 
yellowish. 
Type specimen 11261, A. D. E. Elmer, Todaya (Mt. 
Apo), District of Davao, Mindanao, August, 1909. 
Upon the uppermost limbs of trees on a wind swept crest 
at 4000 feet in the range extending from mount Apo toward 
Santa Cruz and which the Bagobos call it ‘‘Burebid.’’ 
Most closely related to M. antoinit Becc. from Australia. 
Myrmecodia sibuyanensis Elm. n. sp. 
Insectivorous epiphytes; tuber grayish brown, shallowly 
lobed, nearly smooth, without spines, 3 to 5 dm. across, 
irregularly globose, honey-combed, the meat not hard; roots 
several, arising from the base of the bulb, flexible, terete, . 
tightly wrapped about its support; stem usually solitary, 
arising from the uppermost end of the bulb, often as Jong 
as a man’s arm and as thick as his wrist, unbranched, de- 
scendingly curved, with erect tips, rather soft in texture, 
easily breaking, quite bendable. Leaves rigidly coriaceous, 
