2856 



Leaflets op Philippine Botany 



[Vol. VIII, Art. 115 



equilateral base, gradually tapering toward the apex, entire 

 around the base, otherwise subentire or obscurely serrately 

 dentate especially along the lower side; midrib beneath 

 umber brown and with similarly colored strigose hairs, above 

 plane and covered with cystoliths; lateral nerves in the larger 

 blades 9 to 13 pairs, the upper pairs faint, divaricate ex- 

 cept the basal ascending pair, appearing short forked at 

 their distal end, similar in color and much less strigose 

 than the midrib, cross bars or reticulations none; stipule 

 subhyaline, very membranous, glabrous, deciduous, 5 to 8 

 mm long, oblongish, apex slenderly or abruptly short point- 

 ed, very pale green in the natural state. Peduncle of stam- 

 inate flowers 2 cm long, very slender, green, glabrous; in- 

 volucral bracts 4, forming a broad quadrangular cup 7 mm 

 long, nearly 5 mm wide, united below the middle, the ba- 

 sal middle portion green and with cystoliths, margins and 

 irregular truncate apex hyaline, keeled on the back above 

 the middle; flowers several to numerous, the mature ones 

 slenderly pedicelled, the buds subsessile, all intermixed; pe- 

 dicel hyaline, 3 to 4 mm long, subtended by an involucel; 

 bracteoles very thin and transparent, 3, subequal, 5 mm 

 long or less, 1.5 to 2 mm wide, oblongish or broadly lan- 

 ceolate; perianth segments 4, also hyaline, 2.5 mm long, ovate- 

 ly oblong, with a greenish midrib toward the apex; stam- 

 ens 4, apparently alternating with the perianth segments; 

 filaments transparent, flattened, as long as the segments, 

 with a strong inward bend from above the middle; anthers 

 pale white, nearly 2 mm long, well divided from the base 

 to the apex, inflexed in the bud state, brown back in an- 

 thesis and in the mature state recurved, easily detached, the 

 individual cells subterete and oblong; female flowers not seen. 



Type specimen number 13831, A. D. E. Elmer, Cabad- 

 baran (Mt. Urdaneta), Province of Agusan, Mindanao, Sept- 

 ember, 1912. 



Discovered in wet deeply humus covered soil of dense 

 forests in the vicinity of lake Danao at 5000 feet elevation. 

 According to the Manobos its vernacular name is "Naman- 

 coyong." 



This plant is a distinct species though it may be 

 hard to differentiate it from Elatostema variabile C. B. 



