70 Robinson : Alabastra philippinensia 



carpels 50 or more, stellate-tonientose, at anthesis about 3 mm, 

 long, enlarging later, each containing 8-10 ovules: fruit not seen. 

 Climbing and twining over trees, its stems 5-6 cm. in diameter, 

 wood yellowish, bark of older portions light- to dark-gray, some- 

 what furrowed, bark of younger branches yellowish-gray, scaly, 

 elongating into furrows, younger portions ferruginous-tomentose, 

 becoming glabrous : leaves borne on petioles 3-7 mm. long, 

 elliptic to obovate, subcordate to acute at the laase, somewhat 

 abruptly contracted at the apex into an acumen 1.5-2 cm. long 

 in mature leaves, 15-25 cm. long, 7.5-9.5 cm. wide, bluish-green 

 above, paler beneath, glabrous above except upon the somewhat 

 immersed ferruginous-pubescent midrib and primary veins, minutely 

 tomentose beneath; primary veins 12-15 o" ^^ch side of the mid- 

 rib, oblique, arching near the margin, secondary veins anastomos- 

 ing, somewhat conspicuous. 



Type collected at Santa Cruz, Province of Davao, Mindanao, 

 by R. S. Williams, no. 2'j6^, with flowers in all stages, May 5, 

 1905. 



SABIACEAE 



Sabia philippinensis sp. nov. 



Flowers green, small, in terminal or subterminal compound 

 cymes: pedicels slender, 2-4 mm. long, calyx about 1.2 mm. 

 long, united for about three-fourths of its length, its lobes 5, ovate, 

 obtuse : petals white, 5, opposite the calyx-lobes, and exceeding 

 them in length : stamens 5, opposite the petals and calyx-lobes, 

 about I mm. long, comparatively thick : ovaiy i, exserted : fruit bac- 

 cate, 1.5 cm. long and nearly i cm. in diameter, tipped by the 

 persistent stigma, 2-celled. 



A glabrous woody vine, with stems over 6 m. long and 1-1.5 

 cm. in diameter, climbing over trees: the older parts of the' stem 

 with light-gray bark, young shoots zigzag with striate yellowish- 

 green bark: petioles 6-10 mm. long, slender, grooved on the 

 upper surface ; leaves alternate, entire, or somewhat wavy on the 

 margins, olivaceous on the upper surface, green beneath, lanceo- 

 late or oblong-lanceolate, acute at the base, acute or acuminate 

 and usually mucronate at the apex, primary veins on each side ot 

 the midrib about 12, arched-anastomosing, secondary and tertiary 

 venation also conspicuous especially beneath, one or two submar- 

 ginal veins present. 



Type collected near Baguio, Province of Benguet, northern 

 Luzon, by R. S. Williams, 710. 144^, with young flowers and 

 fruit, November 8, 1904. 



