542 Philippine Journal of Science 1919 



COMMELINACEAE 

 I 



ANEILEMA R. Brown 



ANEILEMA VITIENSE Seem. Fl. Vit. (1865) (73) 312, t. 96, var. PETIO- 

 LATA C. B. Clarke in DC. Monog. Phan. 3 (1881) 220. 



Guam, back of Sinajana, Nelson 413, January 1, 1919, in damp 

 places at the base of limestone cliffs. The Philippines, Moluccas, 

 and Polynesia. 



LEGUMINOSAE 



SERIANTHES Bentham 

 SERIANTHES NELSONII sp. nov. 



Arbor alta, partibus junioribus et inflorescentiis et fructibus 

 f errugineo-pubescens ; foliis circiter 20 cm longis, pinnis 12- 

 ad 20-jugis, foliolis circiter 30-jugis, oblongis, obtusis, circiter 

 5 mm longis; floribus paucis, cylindraceis, breviter pedicellatis, 

 corollae tubo circiter 12 mm longo, lobis lanceolatis, 5 ad 6 mm 

 longis; leguminis circiter 12 cm longis, 2 ad 2.5 cm latis. 



A large tree reaching a height of over 20 meters and a trunk 

 diameter of nearly 2 meters, the younger parts, inflorescences, 

 and fruits ferruginous-pubescent. Branches terete, grayish or 

 brownish. Leaves up to 23 cm long, the petioles and rachis 

 ferruginous-pubescent, the latter usually with a prominent gland 

 between the bases of each pair of pinnae ; pinnae 12 to 20 pairs, 

 5 to 7 cm long; leaflets 25 to 30 pairs, oblong, obtuse, about 5 

 mm long and 2 mm wide, the upper surface glabrous, the lower 

 paler and sparingly pubescent. Flowers few, pink, their pedicels 

 pubescent, stout, 2 mm long or less. Calyx cylindric, pubescent, 

 about 7 mm long, the lobes ovate, acuminate, about 1.5 mm long. 

 Corolla pubescent, cylindric, the tube about 12 mm long, the lobes 

 lanceolate, acuminate, recurved, 5 to 6 mm long. Mature pods 

 about 12 cm long, 2 to 2.5 cm wide, densely ferruginous-pubes- 

 cent, the valves faintly constricted between the seeds, almost 

 woody; seeds hard, shining, smooth, brown, flattened, elliptic, 

 about 1 cm long, 8 mm wide. 



Guam, Upe District and hills back of Abu, Nelson s. n., 23, 

 3U, 2^0 (type), in flower in July and in fruit in December, local 

 name hayun lago. 



This very characteristic species is readily distinguishable in 

 the genus by its small leaflets and its relatively narrow pods. 

 It was originally collected in the Upe District, and regarding 

 its occurrence there Mr. Nelson writes as follows: 



The hnyxin lago is a very large and beautiful tree found at Upe 

 at the northern end of the Island, and from what I could ascertain is 



