324 
]5ritisli India to soutlieni Cliiiia, STalaya, east Australia to Polynesia. Abun- 
dant and widely distributed in the Philippines. T.. Taluhih. 
Var. luzonicum Hack, in DC. Monog. Phan. 6 (1889) IIC. 
Luzon, {Chamisso) in herb, berol., tide Hackel. 
Endemic. 
(3) Saccharum arundinaceum Eetz. Obs. 6: 14; Hack, in DC. Jlonog. Phan. 
8 (1889) 117; Hook. f. El. Brit. Ind. 7 (1897) 119; Eendle in Forbes & Heinsl. 
Journ. Linn. Soe. Bot. 36 (1904) 349. Erianllius sp. Pilger in Perk. Frag. FI. 
Philip. (1904) 137. 
Mindoro, Baeo Eiver (1794 Merrill) April, 1903. Mindanao, Province of 
Surigao, Catel (5448 Merrill) October, 190(i; Lake Lanao, Camp Keithley (97a 
Clemens) January, 190(5. 
India and Ceylon to soiithein China. 
(9) POLLINIA Trill. 
Kaceines usually digitate, seldom arranged in panicles. First and 
second empty glumes cliartaceous or memliranous, the third hyaline. 
Flowering glumes awned from the apex or from the cleft ; awns twisted 
or geniculate, rarely wanting. 
Speeie.s about 30, tropical and subtropical regions of the C)ld World; 9 in the 
Philippines. 
1. Spikelets clothed with silky hairs. (Subgenus Eul.4lia. ) 
2. Second glume awned. 
3. Awn 1 to 2 cm. long, short ciliate or nearly glabrous 
on the twisted portion (1) P. articulata 
3. Awn 3 to 5 cm. long, long ciliate-barbate on the 
twisted portion (2) P. irritans 
2. Second glume muticous or raucronulate, not awned. 
3. Hairs of the inflorescence white. 
4. First glume of the sessile spikelet 4-nerved.. (3) P. quadrinervis 
4. First glume nerveless (4) P. argentea 
3. Hairs of the inflorescence ferruginous. 
4. Culms pubescent below the Inflorescence ; 
spikelets 4—5 mm. long : awn of the fourth 
glume 12-15 mm. long ; hairs of the inflo- 
rescence ferruginous (5) P. cumingii 
4. Culms glabrous below the inflorescence ; 
spikelets 3.5 mm. long ; awn of the fourth 
glume 6 mm. long ; hairs of the inflores- 
cence cinereous-fulvous (6) P. maritima 
1. Spikelets usually hairy only on the callus, rarely also on the 
keels. (Subgenus Lbptathekdm. ) 
2. Racemes exceeding 3 cm. in length ; stamens 3. 
3. Third glume wanting, the fourth minute.. (10) P. sp. 
3. Third glume present. 
4. Articulations of the racemes pilose (7) P. imherhis 
4. Articulations of the racemes glabrous or 
obscurely ciliate (8) P. nuda 
2. Racemes less than 3 cm. long; stamens 1 (9) P. tenuis 
(1) Pollinia articulata Tvin. in Mein. Acad. St. Petersb. IV. 4 (1836) 90, 
subsp. fragilis var. setifolia Hack, in DC. Monog. Plian. 6 (1889) 154; Pilger 
in Perk. Frag. FI. Pliilip. (1904) 138. Pollinia setifolia Nees in Hook. Kew 
Card. Mise. 2 (1850) 88; Miq. FI. Ind. Bat. 3 (1859) 531; F.-Vill. Nov. App. 
(1883) 315; Vidal Eev. PI. Vase. Filip. (1886) 290; Phan. Cuming. Philip. 
(1885) 158; Ceron, Cat. PI. Herb. (1892) 182. Pollinia. a.riiculata. F.-Vill. 1. c. 
315, non Trin. Amlropogon koretrostuchys Trim Mem. Acad. St. Petersb. VI. 2 
