492 ROBINSON. 
transverse veins numerous, and together with the reticulations and cys- 
toliths conspicuous on both surfaces; stipules about 0.5 mm long. 
Luzon, Province of Nueva Vizcaya, Mount Dalemdim, at 1500 m elevation, 
Bur. Sci. 8181 Ramos. Allied to P. lugonensis Merr., but distinguished by its 
shorter internodes, and smaller, shorter-petioled, more rigid leaves. 
8. Pilea luzonensis Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 48. 
Luzon, Province of Bataan, Mount Mariveles, Whitford 279, 1129, s. n.: Prov- 
ince of Nueva Vizcaya, Caraballo Sur, Merrill 227; possibly also Province of 
Benguet, Baguio, Elmer 8753; Mount Tonglon, For. Bur, 11101 Whitford. 
This species has great general similarity to P. seripta Wedd., but has very 
short peduncles, and the leaf-serration extends to the acumen; comparison with 
Indian material shows the following ‘distinct difference in the venation. The 
veins from the midrib in P. scripta are interruptedly thickened, and at about two- 
thirds of the distance to the nerves are united by a somewhat definite though 
rather faint vein nearly parallel to the nerves: in P. luzonensis, the veins are of 
equal thickness or gradually fainter distally, there is no such connecting vein on 
any of the sheets cited except the very doubtful one from Mount Tonglon. 
Endemie. 
9, Pilea apoensis Elmer Leafl. Philip. Bot. 3 (1910) 882. 
Planta succulenta, basi sublignosa, ramosa, glabra: inflorescentiis sub- 
centimetralibus vel staminiferis admodum longioribus, his quam petioli 
admodum longioribus, pistilliferis brevioribus ; floris pistilliferi perianthii 
lobis 3, valde inaequalibus; achenio gibboso, sparse puncticulato: foliis 
membranaceis paris saepius inaequimagnis, petiolis inaequilongis, usque 
ad 3.5 em sed saepius, praesertim in ramis, multo brevioribus, laminis 
membvanaceis, ellipticis vel elliptico-lanceolatis, usque ad 8 cm longis et 
3 cm latis, basi acutis, trinerviis vel triplinerviis, margine serrulatis, apice 
breviter acuteque acuminatis; stipulis parvis. 
MinpANnao, District of Davao, Mount Apo, Todaya, at 1725 m elevation, Elmer 
11551. 
Of our other species, probably most nearly related to those of the P. melasto- 
moides alliance, but not at all closely. 
Local name: sogalum. 
10. Pilea intumescens sp. nov, 
-Subherbacea: inflorescentiis staminiferis brevibus, quam petioli bre- 
vioribus, femineis adhuc ignotis: foliis decussatim distichis, petiolis 
laminisque admodum inaequilongis, his lanceolatis vel elliptico-lanceo- 
latis, basi acutis, apice sensim angustatis vel acuminatis, interdum fal- 
catis, marginibus distanter serratis. 
Staminate inflorescences not exceeding 2 cm in length, shorter than the 
corresponding petioles, the peduncles 1 cm or less, the flowers loosely 
glomerulate, shortly pedicellate; perianth-segments 4, elliptic or lanceo- 
late, 1.5 to 2 mm long; filaments 2 mm long, anthers cordate, suborbicular, 
1 mm long; rudiment of ovary minute. 
Probably about 1 m high, the stem, in a dried state, very conspicuously 
