369 
App. (1883) 313; Hook. f. FI. Brit. Ind. 7 (1897) 62; Reiulle in Forbe.s & 
Flenrsl. Journ. Linn. Soc. Bot. 3 6 (1904) 339. 
Luzon, Manila (375 Merrill) August, 1902: Province of Niieva Ecija, San 
Isidro (4194 Merrill) September, 1905. 
British India to southern China, Malaya, and Australia. 
[Stenotaphrum coniplanatum Schrank=8'. glahrvm Trim, has been reported 
from the Philippines by F.-Villar, Nov. App. (1883) 313, Init his record has 
never been verified. The species is widely distributed in the Tropics and is to 
be expected in the Philippines.) 
(37) THUAREA Pers. 
Spikes surrounded bjf a sheathing leaf, at maturity the dilated base of 
the axis enveloping the one to two perfect spikelets, forming a Iteak 
which bores into the ground. A creeping maritime grass. 
A monotypic genus extending from Ceylon to New Caledonia. 
(1) Thuarea involuta (Forst.) R. Br. Prodr. (1810) 197. Ischacinuiii 
involution Forst. Prodr. (1786) 73. Thuarea sarmeiitosa Pers. Syn. 1 (1805) 
110; Kunth Rev. Gram. 1 (1829) 247. t. 35; Ennm. 1 (1833) 174; F.-Vill. 
Nov. App. (1883) 313; Usteri Beitr. Kenn. Philip. Veg. (1905) 133; Merr. 
Philip. Jonrn. Sci. 1 (1906) Snppl. 28; Hook. f. FI. Brit. Ind. 7 (1897) 91. 
Mindoro, Baeo (882 Merrill) April, 1903. Ca,joagan (5244 Merrill) Octo- 
ber, 1906. Mindanao, Province of Zamboanga {Scribner) June, 1903; (Hallier) 
February, 1904: District of Davao (664 Gopeland) March, 1904. Pamas (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 ninliellately disposed. Pistillate spikelets in 
large globose heads of stellately spreading very long rod-like rhachides. 
Species 4, 3 Australian, 1 widely distributed in tropical Asia, Malaya, Aus- 
tralia, and the Philippines. 
(1) Spinifex squarrosus Linn. Mant. 2 (1771) 163; Blanco, FI. Filip, ed. 1 
(1837) 46; ed. 2 (1845) 31; ed. 3, ^ (1877) 57; Mi:p FI. Ind. Bat. 3 (1859) 
474; F.-Vill. Nov. App. (1883) 313; Vidal Phan. Cuming. Philip. (1885) 157; 
Rev. PL Vase. Filip. (1886) 288; Mez in Perk. Frag. FI. Philip. (1904) 145; 
Hook. f. FI. Brit. Ind. 7 (1897) 63. Stipa spinifex Linn. Mant. 1 (1867) 84; 
Blanco 11. cc. 
Luzon, Province of Union, Bauang (5651 Elmer) February, 1904: Province 
of Zambales, Iba (333 Merrill) June, 1902: Province of Bataan, Lamao {Whit- 
ford) April, 1904. Apo (Mindoro Straits) (419 Merrill) December, 1902. 
Mindanao, Davao (511 Copeland) March, 1904; (154 DeVore iG Hoover) April, 
1903. 
Tropical seashores from British India to southern China and Malaya. 
Tribe VI. ORYZE,®. 
Sjiikelets perfect or unisexual, one-flowered, the flower enclosed liy a 
flowering glume and palea which is usually 1-nerved. Empty glumes 
two or none. Stamens frequently 6. 
