326 MERRILL AND MERRITT. 
ROTTBOELLIA L. f. 
1. R. ophiuroides (R. Br.) Benth. Fl. Austral? 7 (1878) 514. 
On steep, grass-covered slopes in the pine region, 0. M. Z. 16184, 16213. 
Ig., catalon. 
Not widely distributed in the Philippines, chiefly known from the Benguet- 
Lepanto region; New Guinea and tropical and subtropical Australia. 
ANTHRAXON Beauv. 
1. A. ciliaris Beauv. Agrost. (1812) 111, ¢. 11, f. 6, subsp. quartinianus 
(A. Rich.) Hack. in DC. Monog. Phan. 6 (1889) 365. 
Upper pine region, extending to the lower border of the mossy forest, Merrill 
6514. 
Known in the Philippines only ‘from high altitudes in the Benguet-Lepanto 
region; mountains of India. 
2. A. microphyllus (Trin.) Hochst. in Flora 39 (1856) 189. 
Upper pine region, C. M. Z. 16157 
Known in the Philippines only from the Benguet-Lepanto region; mountains 
of India to Ceylon and Tonkin. 
THEMEDA Forsk. 
‘1. T. triandra Forsk. Fl. Aeg.-Arab. (1775) 178. 
The most common grass in the entire district, abundant on open slopes in 
the pine region, C. M. Z. 18154. 
Common and widely distributed in the Philippines, from sea level to medium 
and higher altitudes in the open country; widely distributed in the warmer parts 
of the Old World. 
2. T. gigantea (Cav.) Hack. var. genuina Hack. in DC. Monog. Phan. 6 
(1889) 670. . 
In stream depressions, pine region, C. M. Z. 16207. Ig., talnag. 
Widely distributed in the Philippines at low and medium altitudes ; other 
varieties extending from India to China, and Malaya. 
APLUDA Linn. 
1. A. mutica Linn. Sp. Pl. (1753) 82. 
In the pine region, altitude about 1,500 m, C. M. Z. 16032. 
Widely distributed in the Philippines at low and medium altitudes; India to 
China, Malaya, Australia, and Polynesia. 
ARUNDINELLA Raddi. 
1. A. setosa Trin. Diss. 2 (1824) 63. 
Widely distributed in the pine region, extending to the lower limits of the 
mossy forest, O. M. Z. 16154, 16209, 16212. 
At low, medium, and high altitudes in Luzon; India and Ceylon to China and 
Formosa. 
DIGITARIA Scop. 
1. D. longiflora (Gmel.) Pers. Syn. 1 (1805) 85. * 
Upper pine region, Merrill 6518. 
Widely distributed in the Philippines, from sea level to medium and high 
altitudes; India to Japan and Malaya. 
