48 
UIITICACE.E. 
1. LAPORTEA Gaudicli. 
1. L. luzonensis (Wedd.) \Yarb. in Perk. Frag. FI. Philip. (1905) 108. 
Laportea cremilata Gaud. var. luzonensis Wedd. 
‘ (2031 Meyer) February; (Whitford) . In forests at 500 m. Endemic. 
2. L. crenulata (Eoxb.) Gaud.; Wedd. in DC. Prodr. 16 (1809) 1: 85. 
(2850 Meyer) March. In forests at 900 m. British India and Malaya. 
2. PI LEA Lindl. 
1. P. luzonensis sp. nov. 
Glabrous erect, 1 m. high or less, the steins slender. Leaves opposite, lan- 
ceolate, long petioled, in unequal pairs, the leaves of each pair similar in shape, 
but one about one-balf the size of the other, serrate throughout, the inflorescence 
not exceeding the petioles. Leaves glabrous, membranous, strongly 3-nerved, the 
apex long acuminate, narrowed below to the acute, slightly obtuse or even 
obscurely narrowly cordate base, the larger ones 11 to 14 cm. long, 3 to 4 cm. 
wide, the smaller ones of each pair about one half as large; petioles slender, 
3 to 4 cm. long; stipules very short; cross nervules many, curved, rather prom- 
inent beneath. Dioecious. Female inflorescence congested, axillary, less than 
I cm. long, sepals 3, vei'y unequal, one aboirt 1 mm. long, the other two very 
much smaller, scarcely embracing the- achene. Achene ovate,' slightly inequi- 
lateral, flattened, 1 mm. long. Male inflorescence short peduncled, the branches 
slender, 3 to 4 cm. long, the flowers in scattered fascicles 3 to 4 min. in diameter, 
each fascicle 10 to 20 flowered. Sepals 4, oblong-oblaneeolate, about 1.5 mm. long. 
Stamens 4; filaments slender; antbers about 0.5 mm. long. 
(279, 1129 Whitford) May, March. Common in the canon of the Lamao River 
on damp shaded banks, 800 to 1,000 m. 
3. ELATOSTEMA Foist. 
1. E. longifolium Wedd.; DC. Prodr. 16 (1869) 1: 184. 
{Whitford) May. Common on wet shaded banks along streams, 500 to 000 ni. 
Endemic. 
2. E. sessile Foist, var. brongniartianum Wedd. 1. c. 173. 
(174 Whitford) May; (288 Copeland) February. Common on wet shaded 
banks along tbe river, 250 to COO in. The species widely distributed in tropical 
Asia and Malaya, the variety endemic. 
3. E. whitfordii Merrill, n. sp. 
A succulent, erect, herbaceous or somewhat suffriitescent plant 1 to 2 m. high, 
with large alternate glabrous leaves, and very short pedimcled or sessile fleshy 
hemispherical receptacles 1 to 2 cm. in diameter. Branches glabrous, succulent, 
striate when dry, slightly zigzag. Leaves oblong 18 to 22 cm. long, 7 to 9 cm. 
wide, pale green, inequilateral, slightly falcate, the lamina on one side of the 
midi'ib about three-fifths as wide as the portion on the other side, the apex 
sharply acuminate, the base acute, inequilateral, glabrous, membranous, the upper 
surface with numerous small irregularly disposed cistoliths, the lower surface 
with cistoliths only on the reticulations and veins, margins rather strongly 
serrate-dentate throughout, except near the base which is subentire; lateral nerves 
II to 14 on each side of the midrib, prominent beneath, ascending, branched above 
but scarcely anastomosing; petioles glabrous, about 1 cm. long; stipules mem- 
branous, glabrous, deciduous, narrowly lanceolate, long acuminate, 3 cm. long. 
