328 



(12) ROTTBOELLIA L. f. 



False spikes cylindrical or slightly compressed; firsl glume coriaceous. 

 covering the excavation in the rhachis-joint. Spikelets awnless. Coarse 

 ereel grasses. 



Species about .'>)). tropics of both hemispheres; three in the Philippines. 

 l. Pedicel of the first splkelet connate with the joini of the rhachla; 



sheaths tuberculate- hispid (1) B. e.ralluhi 



L. Pedicels I'ree ; sheaths glabrous. 



2. First glume coriaceous, the margins below with 5 to 7 



upturned mucrofl or tubercles (2) R. glandulosa 



2, h'irst glume chartaceous, the margins beiow BmOOth (•'■) R. OpMufOideS 



Subgenus COELOBHACHIS. 



(1) Rottboellia exaltata Linn. f. Suppl. (1790) 114; Nees. in Nov. Act. 

 Niit. Cur. 19 (1843) Suppl. 1: 17:!: Miq. Fl. I ml. Bat. 3 (1869) 4(»7 ; Hack, in 

 DC. Monog. Phan. 6 (1889) 293; Vidal Phan. Cuming. Philip. (1886) 168; 

 Rev. PI. Vase, l-'ilip. (1886) 290; F.-Vill. Nov. App. (1883) 314; Hook. f. Fl. 

 Brit, link 7 (1897) L56; Rendle in Forbes & Hem si. Journ. Linn. Sec Bot. 36 

 (1906) 362; Pilger in Perk. Frag. Fl. Philip. (1904) 138. Rottboellia tetosa 

 Presl Rel. Haenk. 1 (1830) :52!) ; Kunth Enum. 1 (1833) 4iiti. Aegilops fluviatilU 

 Blanco, Fl. Filip. ed. 1 (1837) 47; ed. 2 (1845) 32; ed. 3, 1 (1877) 59. 

 Rottboellia denudala Stem!. Syu. 1 (IS.-).-)) :{(i2 : M i<i . Fl. hid. Bat. 3 (1869) 

 408; F.-Vill. Nov. App. (1883) :*14. A', ooelorhachis F.-Vill. Nov. App. (1883) 

 314, probabiliter ! non Forst. Manisuris exaltata )>. Kuntze Rev. Gen. PI. (lS'.)li 

 77!». 



I'nii.ii'i'iNKs (562 Cuming) is;«i 40. Luzon, Province of Nueva Vizcaya, 

 Dupax (212 Merrill) May. 1902: Province of Union Hi Fenix) October. 1905; 

 (5688 Elmer) February, 1904: Province of Pampanga (4234 Merrill) September, 

 1905. Mindobo, Calapan (989 Merrill) April. 1003. Mindanao, Lake Lanao 

 (ti:s:i Clemens) July, 1906. 



Tropica] Asia. Africa. Malaya, Australia, and America. 



(2) Rottboellia glandulosa It in. in Mem. Acad. St. Petersb. VI. 2 (1833) 

 250; Pilger in Perk. Frag. Fl. Philip. (11)04) 138; Hook. f. Fl. Brit. End 7 

 (1897) 157; Miq. Fl. Ind. Bat. 3 (1859) 4i)S ; Hack, in DC. Monog. Phan. 6 

 (1889) •'HI2. Ophiurus murioatulus Stetid. in Zoll. Vera. Ind. Archip. (1864) 

 .">7 el Synopsis 1 iIN.kh 360. Goelorhachis muricata Brongn. in Voy. Coqu. 

 Hot. 1 (1829) 65. /. /'/. Rottboellia muricata Vidal, Phan. Cuming. Philip. 

 (1885) 158; Rev. PI. Vase. Filip. (1886) 290; Ceron, Cat. PI. Eerb. (1892) 

 (83; F.-Vill. Nov. App. (1883) 314, non Pet/.. Manisuris glandulosa I). Ktuit/.e 

 Rev. Cen. PI. | 1891 ) 780. 



Cti. ion (505 Merrill) December, 1902. Paxay (CopeUmd) January, 1904. 



BurmB to Java and I he Philippines. 



(3) Rottboellia ophiuroides Benth. Fl. Austral. 7 (1878) 514; Hack, in DC 

 Monog. Phan. 6 (1889) 303; K . Schum. und Lauterb. Fl, Deutsch. Schutzgeb. 

 Stidsee (1901) lii ( .». Isohaemum rottboelloide* P. Br. Prodr. (1810) 207). And <> 

 pogon rottboelloidea Steud. Synopsis 1 (is.').')) 382. Manisuris rottboelloides 

 0. Kniitze Rev. Gen. PI. ( 1891 | 77!>. 



Luzon, Province of Benguet, Baguio (5823 Elmer) March. F>04: Pauai to 

 Baguio (4691 Merrill) November, 1905: Province of Nueva Vizcaya, Bagabag 

 (121 Merrill) June, 1902: Province of Tarlac, Concepcion ( :i(i2!i Memll) No- 

 vember, 1903. 



Ansl ralia and New Guinea. 



