2860 



Leaflets of Philippine Botany 



(Vol. VIII, Art. 115 



perianth segments 5, united at the base and ultimately widely 

 spreading; lobes oblong, obtusely rounded at the apex, mem- 

 branous, brownish, persistent, ciliate on the dorsal side to- 

 ward the apex and down along the edges; stamens as many, 

 opposite the segments and inserted upon them at about the 

 middle; filaments reddish brown, the basal one half adnate 

 to the perianth segments, glabrous, the free portion 1.25 

 mm long and exerted; anthers also reddish brown especially 

 the dark colored connective, almost 1 mm long, fully as 

 wide across the base, ovoid, basifixed, laterally dehiscent, 

 exteriorly curved, the emptied cells very widely spreading. 



Type specimen number J34i£3_, A. D. E. Elmer, Cabad- 

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

 ust, 1912. 



Collected in loose very moist and more or less gravelly 

 soil along streamlets of densely wooded ravines at about 

 3500 feet altitude. The Manobo vernacular name is "Catco." 



Distinguished from Elatostematoides laxum {Elm.) C. B. 

 Rob. by the pilose ends of the twiga, leaves with pilose 

 nerves and more numerous veins which are differently ar- 

 ranged and with entire to crenate not dentate margins. 



Laportea agusanensis Elm. n. sp. 



Shrub-like tree; stem 15 cm thick at least, suberect, 

 terete, 5 to 8 m high, branched from near the middle; 

 wood very soft and pulpy, quite odorless and tasteless, yel- 

 lowish tinged; bark smooth, yellowish brown and gray 

 mottled, the inner portion wood color; branches divaricate, 

 freely rebranched; the twigs slender, ascendingly curved 

 toward their ends, glabrous. Leaves sublueid, horizontal, 

 slightly recurved, diverse in size, the young ones very pale 

 or light green, subcoriaceous, alternate, drying greenish on 

 both sides, glabrous, apex rather abruptly acute or acumi- 

 nate, base obtusely rounded or rounded, elliptically elonga- 

 ted, the larger lamina 4 dm long and 1.5 dm wide across 

 the middle, the smallest lamina 12 cm long by 4 cm wide, 

 entire; midrib broad beneath and curing darker brown, 

 frequently purplish tinged, slightly raised along the upper 

 side, glabrous; lateral nerves 7 to 9 alternating pairs. 



