821 
Jiinuai'v, I!I03: I’roviiice of liizal, Bosolioso (1853 Menill) April, lilOll: I’rov- 
i]ice of Bataiigas, Lipa (112 Marave) December, ISlto: Province of Tayabas, 
(Infanta) Binangonan (832 Wttilford) iSeptember, Mindoro, Baco River 
(263 McGregor) April, P305. Pat.awan. Tanabag (323 liermejos) January, H)06. 
Balabac (437 Mdiiguhat) Jrarcb, 1!)()6. Mindanao, J)avao (0.‘)3 Copeland) 
March, 1904: Lake Lanao, Camp Keitliley (52 Clemens) January, 1906. 
Widely distributed in the Philippines; warmer parts of the world. T., Tighi, 
Cndlasan ; V., Adlag ; B.. Ciieldasan ; Ig., Agda. 
Var. ma-yuen (Roman.) Stapf. in Hook. f. FI. Brit. tnd. 7 (1897) 100. 
Coix ma-yuen Roman, in Bull. Soc. Aceliin. Paris 111. 8 (1881) 442. 
Luzon, Province of Rizal, Montalban (3394 Ahern’s collector) Noveinlier, 1905. 
JOLO, Mount Da jo (5326 Merrill) October, 1906. 
British India to Cochin China and Borneo. T., L/n-s. 
Trihe II. ANDEOPOGONE^. 
Sjiikolets in spike-like raeenies, two, rarely only oiu‘, at eaeli joint of 
the Uvsnally articulate rhachis, one sessile and one pedicellate. Spikelets 
generally 1-flowered, with three enpity glumes, the lirst empty glume 
always more indurated tlian the flowering glume, the latter usually 
hyaline and hearing a hent or twisted awn. 
(5) DIMERIA R. Br. 
Spikelets 1-tlowered, linear, laterally com])ressed; first empty glume 
keeled. Flowering glumes owned. Spikes digitate. \"ery slender 
grasses. 
Species P2, British India to South China, Malaya and north Australia; one in 
the Philipi)ines. 
(1) Dimeria orinthopoda Trim Fund. Agrost. (1820) 167. 1. I'l, var. tenera 
(Trim) Hack, in DC. Monog. Pham 6 (1889) 81. Dimeria tenera Trim in Mem. 
Acad. St-Petersb. VI. 2 (1833) 335. F.-Vill. Nov. App. (1883) 315. D. orin- 
thopoda. Merr. Philip. .Tourn. Sci. 1 (1906) Suppl. 25. 
Luzon, Province of Bataan, Ijamao River (3283, 3773 Merrill) October, 1903, 
January, 1904: Province of Rizal, Caloocan (3676 Merrill) November, 1903; 
Antipolo (15 Fowiporthy) .January, 1906. 
Britisb India to Japan, Malaya, other varieties extending to tropical Australia. 
(F.-Villar enumerates Haplachne pilosissima Presl. and Andropogon chloridi- 
formis Gaudich., as distinct sjiecies, but without really crediting them to the 
Philip])ines. Both are synonyms of Dimeria pilosissima Trim, a Marianne island 
species.) 
(6) IMPERATA Cyr. 
Spikelets 1-tlowered, densely clothed with long silky hairs. Empty 
glumes memhranous, narrow, the two outer writh long hairs. Flowering 
glume small. Stamens 1 to 2. .Panicles narrow, usually spike-like. 
Species 5, tropical and subtroj)ical regions of the World; two in the Philippines. 
1. Panicle narrow, .spiciform, the branches short, appressed ; first glume 
5 to 9 nerved: stamens 2 (1)/. cylindrica 
1. Panicle thyrsiform, branches usually elongated, sometimes spreading ; 
first glume 3 to 5 nerved: stamens 1 (2) I. exaltata 
