PHILIPPINE PLANTS, IX. 273 



in whorls of threes, not opposite as in most species of the genus; it differs 

 from Polyosma philippinensis also in its considerably shorter and less 

 pubescent flowers, as well as in its usually more prominently dentate leaves. 



LEGUMINOSAE. 



DESMODIUM Desv. 



DESMODIUM TRIFOLIASTRUM Miq. Fl. Ind. Bat. 1' (1855) 248. 



Mindanao, Province of Surigao, Hinatuan, C. V. Piper 5^9, May 16, 1911. 



This species has not been reported from the Philippines previously, and, 

 in fact, is definitely recorded only from Java. The species has been deter- 

 mined through the kindness of Sir D. Prain, director of the Royal Gardens, 

 Kew, to whom a specimen was sent for comparison with the material in the 

 Kew Herbarium. 



DERRIS Lour. 



DERRIS CEBUENSIS sp. nov. § Dipteroderris. 



Frutex scandens, glaber; foliis 13 ad 20 cm longis, foliolis 7, 

 nitidis, oblongis vel oblongo-ellipticis, in siccitate pallidis, utrin- 

 que concoloribus, 4 ad 8 cm longis, breviter obtuse acuminatis; 

 floribus ignotis; leguminibus oblongis vel oblongo-lanceolatis, 

 6 ad 10 cm longis, planis, 2.5 ad 3 cm latis; seminibus 2 vel 3. 



A scandent vine, glabrous throughout (flowers unknown), the 

 stems brownish-olivaceous, prominently lenticellate, terete, the 

 young branchlets smooth. Leaves odd-pinnate, 13 to 20 cm long, 

 the common petiole and rachis 7 to 11 cm long. Leaflets 7, 

 coriaceous or subcoriaceous, pale, shining and of the same color 

 on both surfaces when dry, oblong to oblong-elliptic, 4 to 8 cm 

 long, 2.5 to 3.5 cm wide, the base obtuse or rounded, apex 

 shortly and obscurely blunt-acuminate, or sometimes obtuse; 

 nerves slender, obscure, anastomosing, 7 to 10 on each side of 

 the midrib; petiolules 3 to 8 mm long. Flowers unknown. In- 

 frutescence axillary, paniculate, up to 25 cm long, entirely 

 glabrous, the lower branches up to 8 cm long, the upper ones 

 shorter. Persistent calyces shallowly cup-shaped, truncate, 5 

 mm in diameter. Pods thin, flat, oblong to oblong-lanceolate, 

 pale when dry, 6 to 10 cm long, 2.5 to 3 cm wide, the base 

 acute or acuminate, apex shortly and slightly falcately apiculate- 

 acuminate, the wings thin, 3 to 7 mm wide, of the same width 

 on both sides of the pod. Seeds 2 or 3, rarely only 1, thin, 

 flat, 2 mm long. 



Cebu, Bucacao, Bur. Sci. llOlJf Ramos, March 19, 1912, on dry hills. 



A species apparently most closely allied to Derris mindorensis Perk., 

 and to D. urticans Perk., but distinguishable by being entirely glabrous 

 throughout. 



