374 ^^^ Philippine Journal of Science i»22 



ELATOSTEMA EDAFIOII sp. nov. 



Herba erecta, ramosa, glabra, succulenta, saltern 40 cm alta; 

 foliis numerosis, lanceolatis, chartaceis, in siccitate atro-virldis, 

 9 ad 11 cm longis, leviter inaequilateralibus, apice acuminatis, 

 basi acutis, margine in f inferiore parte integris, sursum den- 

 tibus paucis distantibus instructis, cystolithis conspicuis; nervis 

 utrinque circiter 7, tenuibus, supra subobsoletis, reticulis subtus 

 obsoletis; stipulis lanceolatis, glabris, 5 mm longis; inflorescen- 

 tiis S solitariis, sessilibus, ^ depresso-globosis, circiter 1 cm 

 diametro, bracteis exterioribus liberis, margine ciliatis, renifor- 

 mi-ovatis, 6 mm longis, 9 mm latis, carinatis, apiculatis, bracteolis 

 oblongis ad obovatis, 4 mm longis, 2 ad 3 mm latis, truncatis, 

 apice ciliatis, lineolatis ; floribus 4-meris, pedicellatis, lobis ellip- 

 ticis, 2.5 ad 3 mm longis, 2 acutis, 2 leviter cucullatis et corni- 

 culatis. 



An erect, glabrous, branched, succulent herb, at least 40 cm 

 high, the stems and branches apparently succulent, glabrous, 

 without cystoliths. Leaves numerous, lanceolate, chartaceous 

 when dry, dark green in color, 9 to 11 cm long, 1.7 to 2.5 cm wide, 

 slightly inequilateral, the apex acuminate, the base acute, the 

 margins in the lower three-fourths entire, the upper portion with 

 few, very distant, serrate teeth, the upper surface supplied with 

 numerous, irregularly disposed cystoliths which are distinctly 

 visible to the naked eye, the lower surface somewhat paler, with- 

 out cystoliths, smooth, the midrib conspicuous, the lateral nerves 

 about 7 on each side of the midrib, slender, obsolete on the upper 

 surface, not prominent on the lower surface, arched-anastomos- 

 ing, the reticulations obsolete; petioles 1 to 2 mm long; stipules 

 lanceolate, acuminate, somewhat falcate, glabrous, about 5 mm 

 long. Staminate inflorescences axillary, solitary, sessile, de- 

 pressed-globose, up to 1 cm in diameter, the outer two bracts 

 reniform-ovate, about 6 mm long, 9 mm wide, subcoriaceous, 

 keeled, slightly apiculate, the margins minutely ciliate; brac- 

 teoles very numerous, oblong to obovate, about 4 mm long, 2 to 

 3 mm wide, truncate, slightly ciliate at the apex, marked vdth 

 numerous small, elongated, reddish-brown lines, all more or less 

 concave. Flowers 4-merous, white, the pedicels 2.5 mm long, pe- 

 rianth lobes membranaceous, elliptic, 2.5 to 3 mm long, two acute 

 and two somewhat cucullate and shortly spurred, the spur stout, 

 0.8 mm long, slightly ciliate. 



Luzon, Kalinga Subprovince, Mount Masingit near Lubuagan, 

 Bur. Sci. 37603 Ramos & Edano, February 17, 1920. On tree 

 trunks in forests along streams, altitude about 1,300 meters. 



