THE FLORA OF MOUNT PULOG. 
325 
PINACE2E. 
PINUS L. 
1. P. insularis Endl. Syn. Conif. (1847) 157. 
Abundant and widely distributed -in the Benguet-Lepanto region, and the 
most characteristic tree of the entire area; common and forming thin forests on 
the steep slopes, altitude 1,200 to 2,200 m on Mount Pulog, G. M. Z. 18186, 18202, 
absent or very rare in the mossy forest but occurring again on the open, grass- 
covered summit, altitude about 2,800 m, but here very scattered, O. M. Z. 18065, 
McGregor 8899. It is found also on the mountains of Zambales Province, Luzon. 
Endemic, but manifestly closely allied to Pinus khasya Royle, of Khasia, 
Chittagong, and Burma. 
ANGIOSPERM2E. 
GRAMINE^E. 
CO IX Linn. 
1. C. lacryma-jobi Linn. Sp. PI. (1753) 972. 
In stream depressions, pine region, altitude about 1,400 m, O. M. Z. 16153. 
Widely distributed in the Philippines at low and medium altitudes, especially 
in populated districts'; warmer parts of the world. 
IMPERATA Cyr. 
1. I. cylindrica (L.) Beauv. var. koenigii (Retz.) Benth. ex Pilger in Perk. 
Frag. FI. Philip. (1904) 137. 
In the pine region, altitude about 1,400 m, G. M. Z. 16186, 16205. 
Common and widely distributed in the Philippines at low, medium, and 
occasional at high altitudes; Tropics of the world (species), the variety in 
tropical Africa and Asia to Polynesia. 
Ml SCANT HUS Anders. 
1. M. sinensis Anders. Oefv. Yet. Akad. Forhandl. Stoclch. (1855) 166. 
In the pine region, altitude about 1,200 m, G. M. Z. 16128, a form with a very 
lax panicle, and in the open grass lands of the summit above the mossy forest, 
G. M. Z. 16152, McGregor 8838, Merrill 6613, depauperate forms, with short, 
dense panicles. Ig., biidu. 
Widely distributed at medium and high altitudes in the Philippines, very 
abundant in the Benguet-Lepanto region; Japan and China to Tonkin, Borneo 
and Celebes. 
S ACC H ARUM Linn. 
1. S. spontaneum Linn. Mant. (1771) 183, subsp. indicum Hack, in DC, 
Monog. Phan. 6 (1889) 113. 
Stream depressions in the lower pine region, O. M. Z. 16190. 
Abundant and widely distributed in the Philippines at low and medium alti- 
tudes; India to southern China, Malaya, Australia, and Polynesia. 
POLLINIA Trin. 
1. P. quadrinervis Hack, in DC. Monog. Phan. 6 (1889) 158. 
Stream depressions and on steep slopes in the pine region, G. M. Z. 16183, 
16208, Merrill 6519. 
Known in the Philippines only from the Benguet-Lepanto region; northern 
India to southern China and the Riu Kiu Archipelago. 
