328 
(12) ROTTBOELLIA L. f. 
False' spikes C3diudrical or compressed; first glume coriaceous, 
covering the excavation in the rhachis-joint. Spikelets awnless. Coarse 
erect grasses. 
Species aliout 30, tropics of both lieiiiis]iheres ; three in the Philippines. 
1. Pedicel of the first spikelet connate with the joint of the rhachis ; 
sheaths tuberculate-hispid (1) JR. cxaltata 
1. Pedicels free; sheaths glabrous. 
2. First glume coriaceous, the margins below with 5 to 7 
upturned mucros or tubercles (2) R. glandulosa 
2. First glume chartaceous, the margins below smooth (3)17. ophiuroidcs 
Snhgenns Coeloriiachis. 
(1) Rottboellia exaitata Linn. f. Snppl. (1790) 114; Nees. in Nov. Act. 
Nat. Cur. 19 (1843) Suppl. 1: 173; IMiq. FI. Ind. Bat. 3 (18,59) 407; Hack, in 
DC. Monog. Plian. 6 (1889) 293; Vidal Phan. Cuming. Philip. (1885) 158; 
Rev. PI. Vase. Filip. (1880) 290; F.-Vill. Nov. App. (1883) 314; Hook. f. FI. 
Bi'it. Ind. 7 (1897) 150; Rendle in Forbes &■ Fleiusl. Journ. Linn. Soe. Bot. 36 
(1900) 302; Pilger in I’ei'k. Frag. FI. Philip. (1904) 138. J’ottboelUa setosu 
Pre.sl Rel. llaenk. 1 (1830) 329; Kunth Enuni. 1 (1833) 400. Aegilops fluviaHUs 
Blanco. FI. Filip, ed. 1 (1837) 47; ed. 2 (1846) 32; ed. 3, 1 (1877) 59. 
lioltboeUia clcnudaia Steud. Syn. 1 (1855) 302; ]\liq. FI. Ind. Bat. 3 (1859) 
408; F.-Vill. Nov. App. (1883) 314. R. coeloriiachis F.-Vill. Nov. App. (1883) 
314, probahiliter ! non Forst. Manisui is exaitata O. Kuntze Rev. Gen. PI. (1891) 
779. 
PHiLiPi’fNES (502 Guming) 1836-40. Luzon, Province of Nueva Vizcaya, 
Dupax (212 Merrill) May, 1902: Pi'ovince of Union (0 Fenix) October, .1905; 
(5(i88 Elmer) February, 1904; Piovince of Panipanga (4234 Merrill) Septeinher, 
1905. Mindoro, Calapan (989 Merrill) Apidl, 1903. Mindanao, Lake Lanao 
(033 Clemens) July, 1900. 
Tropical Asia, Africa, Malaya, Australia, and America. 
(2) Rottboellia glandulosa Trin. iiv MOn. Acad. St. Petersh. VI. 2 (1833) 
250; Pilger in Perk. Frag. FI. Philip. (1904) 138; Hook. f. FI. Brit. Ind. 7 
( 1897) 157; Aliq. FI. Ind. Bat. 3 (1859) 408; Flack, in DC. Monog. Phan. 6 
(1889) 302. Ophiurns ‘imiricalulns Steud. in Zoll. Verz. Ind. Archip. (1854) 
57 et Synopsis 1 (1855) 300. Goelorhacliis muricata. Brongn. in Voy. Coqu. 
Bot. 1 (1829) 05. /. l-'i- Rottboellia ■muricata, Vidal, Phan. Cuming. Philip. 
(1885) 158; Rev. PI. Vase. Filip. (1880) 290; Ceron, Cat. PI. Herb. (1892) 
183; F.-Vill. Nov. A])p. (1883) 314, non Retz. Blo'iiisiiris glandulosa D. Kuntze 
Rev. Gen. PI. (1891) 780. 
CULION (505 Merrill) December, 1902. Panay (Gopclaiid) January, 1904. 
Burma to Java and the Philippines. 
(3) Rottboellia ophiuroides Benth. FI. Austral. 7 (1878) 514; Hack, in DC. 
Monog. Phan. 6 (1889) 303; K. Sebum, und Lauterh. FI. Deutsch. Schutzgel). 
Siidsee (1901) 109. Ischaemum ■roltboclloides W. Br. Prodr. (1810) 205. A-iidro- 
pogou roi Ihoelloides Steud. Synopsis 1 (1855) 382. Munisuris roll boelloidcs 
O. Kuntze Rev. Gen. PI. ( 1891) 779. 
Luzon, Province of Benguet, Baguio (5823 Elmer) (March, 1904; Pauai to 
Baguio (4091 Merrill) November. 1905: Province of Nueva Vizcaya, Bagahag 
(121 Merrill) ,Tune, 1902: Province of Tarlac, Concepcion (3029 Uterrill) No- 
vember, 1903. 
Australia and New Gtiinea. 
