1398 Leaflets of Philij-pine Botany [V^ol. V, Art. i^-i 



vestiture; the 2 circular anther cells apparently opening upon 

 the ventral side; the alternating 3 pairs quite similar, the 

 outer ones are introrse and without glands while the inner 

 ones are extrorse and with conspicuous baldery glands on 

 the sides toward the base; between these gland bearing stamens 

 are 3 rudiments of puberulent stamens; pi.stil glabrous, black 

 in the dry state, ovoidly compressed, gradually coming to 

 the short style and minute stigma. 



Type specimen number 12884, A. D. E. Elmer, Puerto 

 Princesa (Mt. Pulgar), Palawan, March, 191K 



Discovered on sand gravelly Iwahig river banks fronting 

 dense woods at about 1000 feet altitude. 



Related to but not at all B. cairocan Vid. 



LEGUMINOSAE 

 Derris atro-violacea Elm. n. sp. 



A scandent tree climbing shrub; stem 7 cm. thickj sub- 

 terete or twistingly fluted, more or less crooked, looping and 

 hanging; wood soft, porous, the outer portion whitish, nearly 

 roseus in the center, colors gradually blending, odorless and 

 tasteless; bark thick, brown on the stem and gray on the 

 branchlets, CDvered with yellowis^h brown transversely set len- 

 ticels, latericius except the epidermis, with an abundance of 

 deep molassas colored sap; main branches freely rebranched, 

 slender, the ultimate ones drooping and with aseendingly 

 carved and densely fulvus tomentose tips. Old leaves char- 

 taceous, younger ones coriaceous, subpendant, flat or very 

 shallowly concave on the fulvus tomentose nether side, deeper, 

 and slightly shining green above and in the young state 

 grayish pubescent, the very old leaves becoming nearly 

 glabrous beneath, the abruptly acute to acuminate apex 

 recurved, base rounded or subtruncate except the apical 

 leaflet, which is more often obtuse or gul)cuneate, entire 

 margins slightly involute in the dull i)rown dry state, alter- 

 nately scattered toward the ends of short branches, varying 

 from 1 to 3 dm. long, 7 to 9-foliate; leaflets oblong or the 

 slightly smaller and basal ones ovately oblong, the average 

 ones 8 cm. long, 2.5 to 3 cm. wide either above the mid- 



