364 
(1) Opiismenus burmannii (Retz.) Beauv. Agrost. (1812) 54; Kimth 
Euum. 1 (1833) 139; Hook. f. FI. Brit. Iml. 7 (1897) 08; F.-Vill. Nov. App. 
(1883) ; Merr. Philip. Jouni. Sci. 1 (1906) Suppl. 28. Panictim bunnnnnii Retz. 
Obs. 3 ( 1779-91 ). 10. Orthopogon Imrmannii R. Br. Prodr. (1810) 194; Miq. 
FI. Hid. Bat. 3 (1859) 442. 
Luzon, Province of Bataan, Lainao River (3290 Merrill) October, 1903; (0045 
Elmer) November, 1904. Mindanao, Province of Zamboanga (5483 Merrill) 
October, 1900. 
Tropical Africa, Asia to Japan and Malaya. 
(2) Opiismenus compositus (Linn.) Beauv. Agrost. (1812) 54; Kunth 
Ennm. 1 (1833) 141; F.-Vill. Nov. App. (1883) 312; Mez in Perk. Frag. FI. 
Philip. (1904) 144; Hook. f. FI. Brit. Ind. 7 (1897) 06; Rendle in Forbes & 
Heinsl. Jonrn. Linn. Soc. Bot. 36 (1904) 337; Ceron Cat. PI. Herb. (1892) 
180. 0. indievs Roem. et Sclmlt. (Syst. 2: 484; Vidal Phan. Cnming. Philip. (1885) 
157; Rev. PI. Vase. Filip. (1880) 288; Ceron Cat. PI. Herb. (1892) 180. 0. sgl- 
vaticus Beanv. ; F.-Vill. Nov. App. (1883) 312. 0. loliacetis Beanv. ; Knnth 
Ennm. 1 (1833) 140; F.-Vill. Nov. App. (1883) 312. Orthopdgon hirtellus 
Llanos Frag. PI. Filip. (1851) 37. Or. setarius? Llanos 1. c. 35. Or. sglvaticus 
Miq. FI. Ind. Bat 3 (1859) 443. Panicum conipositum Linn. Sp. PI. (1753) 57. 
P. lanceoJatum, Retz.; F.-Vill. Nov. App. (1883) 311. 
Philippines (531 Cuming). Luzon, Province of Rizal, Montalban (5072 
Merrill) March, 1900; Antipolo (2 Foxioorthy) January, 1906: Province of Ben- 
guet, Bned River (4309 Merrill) November, 1905: Province of Zambales, Snbic 
(Hallier) December, 1903: Province of Nneva Viscaya, Quiangan (125 Merrill) 
June, 1902. Province of Bataan, Lainao (1021 Whitford) December, 1904. 
CuLiON (480, 489 Merrill) December, 1902. Panay, Iloilo (Copeland) January, 
1904. Palawan, Puerto Princesa (208 Bennejos) December, 1905. Mindanao, 
Lake Lanao, Camp Keithley (150, 031 Clemens) February, July, 1900. Palmas 
(5304 Merrill) October, 1900. 
Tropical regions of both hemispheres. 
Var. lasiorhachis Hack, in Govt. Lab. Publ. 35 (1905) 81. Opiismenus 
hurmannii Mez in Perk. Frag. FI. Philip. (1904) 144, non Beauv. 
Palawan (Paragua) Point Separation (820 Merrill) February, 1903. 
Endemic. 
(3) Opiismenus undulatifolius (Aid.) Beanv. Agrost. (1812) 54; Kunth 
Ennm. 1 (1833) 139; Hook. f. FI. Brit. Ind. 7 (1897) 00; Rendle in Forbes & 
Henisl. .Jonrn. Linn. Soc. Bot. 36 (1904) 338; Merr. in Philip. .Jonrn. Sci. 1 
(1900) Suppl. 28. Panicum undulalifolium Arduin. Aniinad. Bot. Spec. Alter. 
(1704) 14. t. 
Luzon, Province of Bataan, Mount Mariveles (2547 Borden) February, 1905; 
(0987 Elmer) November, 1904. Mindanao, Province of Zamboanga (5485 Merrill) 
October, 1900. 
Southern Europe to tropical Africa, India, China and Japan. 
Var. imbecillis (R. Br.) Hack, in Govt. Lab. Publ. 25 (1905) 82; Merr. 
in Philip. Jonrn. Sci. 1 (1900) Suppl. 28; Panicum imbecillis Trin. Ic. 
(1828-36) 10. i. 191. Orthopogon imbecillis R. Br. Prodr. (1810) 194. Opiis- 
menus minus Merr. Govt. Lab. Publ. 17 (1904) 9. 
Luzon, Piovince of Bataan, Mount Mariveles (3203 Merrill) October, 1903: 
District of Lepanto, Mount Data (4511 Merrill) November, 1905. Mindanao, 
Mount Apo (1130 Copeland) April, 1904. 
Malaya and Australia. 
