Vol. 1 GRAMINEAE 75 



The Philippine form has been confused with C. echinatus Linn. 

 Local names: Agingai (Tag.); sagisi (Ilk.). 



34. PENNISETUM Persoon 



PENNISETUM ALOPECUROIDEUM (Linn.) Spreng. Syst. 1 (1825) 303. 

 Panicum alopecuroideum Linn. Sp. PL (1753) 55. 

 Alopecurus hordeiformis Lour. Fl. Cochinch. (1790) 48, non ? Linn. 

 Pennisetum compressum R. Br. Prodr. (1810) 195; Merr. in Philip. 



Journ. Sci. 1 (1906) Suppl. 368. 

 Gymnothrix nig(ricans Presl Rel. Haenk. 1 (1830) 315. 

 Pennisetum nigricans Trin. ex Steud. Nomencl. ed. 2, 2 (1841) 297; 

 Miq. Fl. Ind. Bat. 3 (1857) 470; F.-Vill. Novis. App. (1882) 312. 

 Pennisetum cenchroides F.-Vill. Novis. App. (1882) 313, non Spreng. 

 Luzon (Ilocos Norte, Bontoc, Benguet), Merrill 770k, MS 5, Williams 

 1201, Elmer 5756, B. S. 31898 Santos, 5932, 5365, 27^22 Ramos, 12708 

 Fenix, 8763 McGregor. On open slopes at medium altitudes, chiefly in 

 the pine region, ascending to 2,000 m. India to Indo-China, China, Japan, 

 and Australia. 



Local name: Kaibuan (Ig.). 



PENNISETUM MACROSTACHYUM Trin. in Mem. Acad. St. Petersb. VI 

 3' (1835) 177; Ceron Cat. PI. Herb. Manila (1892) 121; Merr. in 

 Philip. Journ. Sci. 1 (1906) Suppl. 368. 

 Sericura elegans Hassk. in Flora 25 (1842) Beibl. 2: 2. 

 Luzon (Laguna, Batangas, Rizal, Tayabas, Sorsogon), Mindoro, Mas- 

 bate, Panay, Cebu, Negros, Mindanao, Basilan, Merrill 3381, Williams 

 2622, Elmer 967Jf, 8132k, 15327, B. S. 31306 Ramos & Edano, 2k939 Fenix, 

 1U7U9, 11079, 5217 Ramos, 15k9k Reillo. In old clearings at low and me- 

 dium altitudes. Malay Peninsula and Archipelago to Polynesia. 



Local names: Daraui (C. Bis.); gulalai (Sub.); handalaui (C. Bis.); 

 lagoli (Bag.). 



35. CHAMAERAPHIS R. Brown 



CHAMAERAPHIS MURICATA (Linn, f.) comb. nov. 



Andropogon muricatus Linn. f. Suppl. (1781) 433; Stapf in Kew 



Bull. (1906) 348 in nota. 

 Panicum asperum Koen. in Naturf. 23 (1788) 209. 

 Panicum spinescens R. Br. Prodr. (1810) 193. 



Chamaeraphis spinescens Poir. in Lam. Encycl. Suppl. 2 (1811) 189; 

 F.-Vill. Novis. App. (1882) 313; Hook. f. Fl. Brit. Ind. 7 (1897) 

 62. 

 Chamaeraphis aspera Nees in Wall Cat. (1849) No. 8679; Mez in 

 Perk. Frag. Fl. Philip. (1904) 145; Merr. in Philip. Journ. Sci. 1 

 (1906) 368, Fl. Manila (1912) 96. 

 Central Luzon to Palawan and Mindanao, Merrill 375, kl9k, 7060, 9^67, 

 B. S. 29500 Ramos & Edano. In shallow stagnant water at low altitudes. 

 India to China through Malaya to tropical Australia. 



36. THUAREA Persoon 



THUAREA INVOLUTA (Forst.) R. & S. Syst. 2 (1817) 782; Merr. in 

 Philip. Journ. Sci. 1 (1906) Suppl. 369, Fl. Manila (1912) 97. 

 Ischaemum involutum Forst. Prodr. (1786) 73. 



