386 
(1) Lophatherum gracile ]>rongii. in Dupeiiy Voy. Coqu. liot. (1829) 50. 
t. 8; Kunth Enmn. 1 (18.33) 391; Stem]. Syn. 1 (1855) 300; F.-Vill. Kov. 
App. (1883) 323; Hook. f. FI. Brit. Ind. 7 (1897) 331; Eendle in Forbes & Heinsl. 
Journ. Linn. Soc. Bot. 36 (1904) 420; Pilger in Perk. Frag. FI. Pliilip. (1904) 
148. 
Luzon, Province of Nueva Ecija, Caraballo Snr Mountains (210 Sterrill) 
May, 1902. 
Briti.sli India to sontbern China and Japan and Malaya. 
(64) POA Linn. 
Spikelets 2 to 6-flowered in open panicles. Ehacliilla and callus as 
well as the marginal nerves of the flowering glumes often clothed with 
long soft hairs ; all the glumes awnless. 
Species about 140, chiefly of temperate and cold countries, a few on the high 
mountains in the Tropics; two in the Philippines. 
1. First and second glumes distinctly shorter than the flowering 
glumes ; keel and nerves sllky-ciliate below (1) P. annua 
1. Second glume equaling the flowering glumes ; keel silky-hairy below, 
the nerves glabrous - - (2) P. luzoniensis 
(1) Poa annua Linn. Sp. PI. (1753) 08; Stem!. Syn. 1 (1855) 250; F.-Vill. 
Xov. App. (1883) 322; Llanos Frag. PI. Filip. (1851) 47; Hook. f. FI. Brit. 
Ind. 7 (1897) 345; Eendle in Forbes & Hemsl. Journ. Linn. Soc. Bot. 36 (1904) 
422; Merr. in Philip. Journ. Sci. 1 (1900) Suppl. 181. 
Luzon, Province of Benguet, Bued Elver (4288 Merrill) November, 1905. 
Introduced. 
Widely distributed, chiefly in temperate and subtropical regions. 
(2) Poa luzoniensis Merr. in Philip. Journ. Sci. T (1900) Suppl. 180. 
Luzon, Province of Benguet, Pauai (4712 Merrill) November, 1900. 
Endemic. 
(05) BROMUS Linn. 
Spikelets paniculate, usually large. Flowering glumes 5 to 9-nerved, 
usually 2-toothed, awned or awnless, the awm never geniculate. Ovary 
with a hairy cushion-like appendage on the summit. 
Species about 00, most abundant in the north teinj^erate zone, a few in tem- 
perate South America and a few in the Tropics; one or two in the Philippines. 
(1) Bromus pauciflorus (Thunb.) Hack, in Bull. Herb. Boiss. 7 (1899) 713 
et II, 3 (1903) 506; Eendle in Forbes & Hemsl. Journ. Linn. Soc. Bot. 36 (1904) 
430. Festuca pauciflora Thunb. FI. Jap. (1784) 52. 
Luzon, Province of Benguet, Pauai (4714 Merrill) November, 1900. 
China, and Japan. 
The form here referred to Bromus pauciflora may prove to be a distinct species 
when more material is available for study and comparison. 
DOUBTFUL .SPECIES. 
Bkomus fallens Cav. Icon. 6 (1801) 00. t. 5!)1. f. 1; Kunth Enum. 1 (1833) 
418; Miq. FI. Ind Bat. 3 ( 1859) 398; F.-Vill. Nov. App. (1883) 322 
“Habitat in Manilae viciniis, ibique Acanthus ilicifoHus, Nee legit.” Cavanilles. 
I have seen no specimens that agree with Cavanilles’s description and fignre. 
Possibly described from an introduced plant, or from one erroneously localized. 
