THE PHILIPPINE. JOURNAL OF SCIENCE, C. BOTANY. 
Vol. XII, No. 3, May, 1917. 
NEW PHILIPPINE MYRSINACEAE 
By E. D. MERRILL * 
(From the Botanical Section of the Biological Labrie: 3 Bureau of 
Science, Manila, P. I.) 
_In the present paper eighteen apparently new species of Philip- 
pine Myrsinaceae are described in the genera Ardisia, Discocalyx, 
and Maesa. Perhaps the most interesting fact brought out by 
the present contribution is the great increase in the number of 
known species of the genus Discocalyx. When Mez proposed 
this genus in 1902, he described eight species, of which six were 
from the Philippines, one from the Marianne Islands, and one 
from the Tonga Islands. Since that date numerous new forms 
have been detected in our current Philippine collections, and the 
number of species now known from the Philippines, including the 
nine described in the present paper, approximates, twenty-seven. 
DISCOCALYX Mez 
~ 
- DISCOCALYX ANGUSTISSIMA sp. nov. 
Frutex glaber, circiter 1 m altus; foliis numerosis, linearis, 
usque ad 25 cm longis et 1 cm latis, olivaceis, nitidis, tenuiter 
acuminatis, basi attenuatis, margine distanter acute serratis; in- 
florescentiis axillaribus, tenuibus, longissime pedunculatis, foliis 
subaequantibus; floribus paucis, 5-meris; fructibus ovoideis, cir- 
citer 6 mm diametro. 
A glabrous shrub about 1 m high, simple or sparingly branch- 
ed, the branches terete, reddish-brown, 3 to 6 mm in diameter. 
Leaves numerous, linear, 20 to 25 cm long, 6 to 10 mm wide, 
chartaceous, olivaceous, shining, slenderly acuminate, base at- 
tenuate, margins rather distantly but conspicuously and acutely 
serrate; lateral nerves numerous, not prominent. Inflorescences 
few, very slender, axillary, about as long as the leaves, simple, 
the greately elongated peduncles supplied with few, scattered, 
linear-lanceolate, slenderly acuminate, leaf-like, 1 to 2 cm long 
2 Professor of botany, University of the Philippines. 
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