1830 Leaflets op- Philippine Botany [Vol. V, Art. 93 



cup shaped, v;ilvate in the flattened or pantagonal bud state, 

 finely pubescent on the outside, the basal two thirds united, 

 the 5 teeth triangular, coriaceous especially the basal part; 

 petals deciduous, membranous, 5, alternating with the sepals 

 and inserted upon the calyx rim, 1 mm. long, clawed or 

 cuneate at base, the ovate expanded portion folded upon the 

 ventral side and widely emarginate, glabrous; stamens as 

 many and inserted upon the bisal portion of the petals; 

 filaments 0.75 cm. long, glabrous, outwardly curved; anther 

 apparently within corolla fold, 0,33 mm. long, subversatile, 

 broader than long; ovary with the 2 divergently curved 

 stigmas 1 mm. long and short woolly hairy around the base 

 only. 



Type specimen number 13224, A. D. E. Elmer, Puerto 

 Princesa (Mt. Pulgar), Palawan, May, 1911. 



This looping climber was discovered on large forest trees 

 on gravelly banks of a dry stream at about 500 feet alt- 

 itude. Its ultimate branches forming dense hanging masses 

 over the open creek bed. 



RHIZOPHORACEAE 

 Sagittipetalum palawanense Elm. n. sp. 



Slender and suberect tree; stem 1 dm. thick, 7 m. 

 high, subteretere, chiefly branched toward the top; wood 

 moderately hard, dingy white, odorless and without taste, 

 with conspicuous radial lines; bark dull brown, smoothish 

 or only minutely checked, latericius except the epidermis; 

 branches numerously rebranched, crooked and forming interlaced 

 masses; the nodose twigs suberect, green, glabrous, sub- 

 compressed, flexible and slender. Leaves opposite, glabrous, 

 drying unequally deep brown on the two sides, ascending or 

 horizontal, flat, each twig with one or two pairs, the lower 

 pairs smaller, the entire or very minutely serrate margins 

 curved upon the wider side at least in the dry state, usually 

 obovately rotund or frequently broadly elliptic, terminated 

 by a very short and blunt point, base very broadly cuneate, 

 the larger lamina 7 by 11 cm., coriaceous, the smaller ones 

 less than one half as large; midrib conspicuous on both 



