26 



2. IMPERATA Cyr. 



1. I. cylindrica (Linn.) Beauv., vai koenigii (Retz.) Benth. /. arundinacea 

 Cyr.; Hack. 1. c. 94. 



(Merrill) In open grass lands common and widely distributed in the Pliilip- 

 pines. Southern Asia to Japan, Malaya, and Australia. 



2. I. exaltata Brongii.; Hack. 1. c. 98. 



(Whitford) Gregarious, frequently completely occupying open lands up to 

 900 m. Malaya to New Hebrides, varieties in tropical America. T., Cogon. 



3. MISCANTHUS An.derss. 



1. M. japonicus Anderss.; Hack. 1. e. 107. 



(3198 Merrill) October; (1341 Whitford) September. On exposed ridges at 

 1,200 m. Japan to southern China, Malaya, and Polynesia. 



4. SACCHARUM Linn. 



1. S. spontaneum Linn., subsp. indicum Hack. 1. c. 114. 



(1935 Horddi) October. In open lands below 100 m., widely distributed in 

 tiie Pliilipppines. Southern Asia to Malaya and New Guinea. T., Talahib. 



5. POGONATHERUM Beauv. 



1. P. saccharoideum Beauv., var. monandrum (Roxb.) Hack. 1. c. 193. 



(10 Whitford); (621 Borden); (CG9G Elmer). Abundant on mossy ledges 

 along streams, widely distributed in the Philippines. Southern Asia to Japan 

 and Malaya. 



6. MANISURIS Sw. 



L M. granularis Linn, f . ; Hack. 1. c. 314. Hackelochloa gramilaris 0. Kuntze. 

 (3094 Merrill) October. In open grass lands below 100 m. Tropical and sub- 

 trdpical regions of tlie world. 



7. ANDROPOGON Linn. 



1. A. brevifolius Sw.; Hack. 1. e. 383. 



(3300 Merrill) October; (0785 Elmer) November. In open grass lands below 

 100 m. Tropics of the w^orld. 



2. A. aciculatus Retz. Hack 1. c. 5f)2. 



(801 Borden); (385 Whitford). In open grass lands below 100 m. Tropical 

 Asia to Malaya and Polynesia. 



8. ZOYSIA Wilid. 



1. Z. pungens Willd.; Hook. f. Fl. Brit. Ind. 7 (1897) 99. 



(1303 Willi ford) . Open places near tlu! seashore. Tropical Asia, to Malaya 

 and Australia. 



9. THYSANOLAENA Nees. 



1. T. maxima (Roxb.) 0. Kuntzo. T. agroalis Nees; Hook. f. 1. c. Gl. 

 (112(1 Whitford) October. Open grass lands and thickets. Tropics of the 

 worhi. 



10. PASPALUM Linn. 



1. P. scrobiculatum Linn.; Hook. f. 1. c. 1(». 



(3208 Merrill). In open grass lands, widely distributed in (lie Pliilippines. 

 Tropics of the world. 



