36!) 



App. (1883) 313; Ho<»k. f. Fl. Brit. In.l. 7 (1897) 62 5 Rendle in Forbea & 

 Hemsl. Journ. Linn. Soc. JJot. 36 (1904) 339. 



Luzon, Manila (375 Merrill) August. 1902: Province of Nueva Ecija, San 

 Isidro (4194 Merrill) September, 1905. 



British India to southern China, Malaya, and Australia. 



[Btenotaphrwrn com plana hint. Schrank — *V. glabrum Trin., has been reported 

 from the Philippines by F.-Villar, Nov. App. (1883) 313, but his record lias 

 never been verified. The species is widely distributed in the Tropics and is to 

 he expected in the Philippines.) 



(37) THUAREA Pers. 



Spikes surrounded by ;i sheathing loaf, at maturity the dilated base of 

 the axis enveloping the one to two perfect spikelets, forming a beak 

 which bores into the ground. A creeping maritime grass. 



A monotypic genus extending from Ceylon to New Caledonia. 



(1) Thuarea involuta (Foist.) K. Br. Prodr. (1810) 1!»7. Isohaemum 

 involutum Forst. Prodr. (1786) 7:5. Thuarea sarmentosa Pers. Syn. 1 (1805) 

 110; Kunth Rev. Cram. 1 (1829) 247. /. 85; Fnum. 1 (1883) 174; F.-Vill. 

 Nov. App. (1883) 313j Qsteri Beitr. Kenn. Philip. Veg. (1905) 133; Merr. 

 Philip. Journ. Sci. 1 (1906) Suppl. 28 ; Hook. f. Fl. Brit. Ind. 7 (1897) 91. 



Mindobo, Baco (882 Merrill) April, 1903. Cajoagan (5244 Merrill) Octo- 

 ber, 1900. Mindanao, Province of Zamboanga (Scribner) June, 1903; (Hallicr) 

 February, 1904: District of Davao (564 Vopeland) March, 1904. 1'amas (5356 

 Merrill) October, 1906. 



Seacoast from Ceylon to Madagascar, Malaya, Australia, and Polynesia. 



(38) SPINIFEX Linn. 



Coarse prostrate maritime grasses, the staminate spikelets in rigid 



peduncled spikes which are umbellately disposed. Pistillate spikelets in 



large globose beads of stellatelv spreading very long rod-like rbacbides. 



Species 4, 3 Australian, 1 widely distributed in tropical Asia, Malaya, Aus- 

 tralia, and the Philippines. 



(1) Spinifex squarrosus Linn. Mint. 2 (1771) 163; Blanco, Fl. Filip. ed. 1 



(1837) 40; ed. 2 (1845) 31; ed. 3, 1 (1877) 57: Miq. Fl. Ind. Pat. 3 (1859) 

 474; F.-Vill. Nov. App. (1883) 313; Vidal Phan. Cuming. Philip. (1885) 157; 

 Kev. PI. Vase. Filip. (1886) 288; Mez in Perk. Frag. Fl. Philip. (1904) 145; 

 Hook. f. Fl. Brit. Ind. 7 (1897) 63. Slipa sinnifex Linn. .Mant. 1 (1867) 84; 

 Blanco II. cc. 



Luzon, Province of Union. Bauang (5651 Elmer) February, 1904: Province 

 of Zambales, Iba (333 Merrill) June, 1902: Province of Mataan, Lamao (Whit- 

 f<yrd) April, 1904. Aro (Mindoro Straits) (419 Merrill) December, 1902. 

 Mindanao, Davao (511 Vopeland) March, 1904; (154 DcYorc d Hoover) April, 

 1903. 



Tropical seashores from British India to southern China and Malaya. 



Tribe VI. ORYZE^l. 



Spikelets perfect or unisexual, one-flowered, the flower enclosed by a 

 flowering glume and palea which is usually 1-nerved. Empty glumes 

 two or none. Stamens frequently 6. 



