24 ENUMERATION OF PHILIPPINE PLANTS 



1922 



2. RUPPIA Linnaeus 

 RUPPIA MARITIMA Linn. Sp. PI. (1753) 127; Naves Novis. App. (1882) 

 297; Aschers. & Graebn. in Engl. Pflanzenreich 31 (1907) 142; 

 Merr. in Philip. Journ. Sci. 7 (1912) Bot. 228, Fl. Manila (1912) 68. 

 Luzon (Manila Bay), Panay, Merrill Phil. PL 799, Loher 159b, B. S. 

 20660 Servinas. In shallow, brackish water. In salt or brackish water 

 in most warm and tropical regions; the Philippine form is referable to 

 the var. rostrata Agardh. (R. maritima Linn, subsp. rostellata Koch) . 

 Local names: Bungut-bungut (P. Bis.); damong-palai (Tag.). 



3. CYMODOCEA Koenig 

 CYMODOCEA ROTUNDATA (Ehrb. & Hempr.) Aschers. & Schweinf. in 

 Sitzber. Ges. Naturf. Freunde Berlin (1870) 84; Graebner in Engl. 

 Pflanzenreich 31 (1907) 147; Merr. in Philip. Journ. Sci. .10 (1915) 

 Bot. 2. 

 Phucagrostis rotundata Ehrb. & Hempr. ex Aschers. in Boiss. Fl. 

 Orient. 5 (1884) 21. 



Palawan, Cavilli, Mindanao, Merrill 7180a, Phil. Pl< 126b, B. S. 15559 

 Fenix. On sand about coral reefs in shallow water. In shallow seas 

 from the Eed Sea to Australia. 



CYMODOCEA SERRULATA (R. Br.) Aschers. & Magnus in Sitzber. Ges. 

 Naturf. Freunde Berlin (1870) 84; Aschers. & Graebn. in Engl. 

 Pflanzenreich 31 (1907) 147. 

 Caulinia serrulata R. Br. Prodr. (1810) 339. 



Mindanao, fide Ascherson & Graebner, 1. c. In shallow seas from the 

 Red Sea and western Africa to Australia. 



Cytnodocea aequorea Koenig = C. nodosa (Ucria) Aschers.! was erro- 

 neously credited to the Philippines by Naves Novis. App. (1882) 297. 



4. DIPLANTHERA Thouars 



DIPLANTHERA UNINERV1S (Forst.) Aschers. in Engl. & Prantl Nat. 

 Pflanzenfam. 2 1 (1897) 37; Graebn. in Engl. Pflanzenreich 31 

 (1907) 152; Merr. in Philip. Journ. Sea. 10 (1915) Bot. 3. 

 Zostera uninervis Forsk. Fl. Aeg.-Arab. (1775) 159. 

 Luzon (Manila Bay), Palawan, Cavilli, Merrill 7179, 9223, Phil. PI. 

 1263, Shaw llb-8. In sand about reefs. In shallow seas from the Red 

 Sea and western Africa to Australia and Polynesia. 



The family Aponogetonaceae has no known representatives in the Phil- 

 ippines; Aponogeton monostachyus Linn. f. and Ouvirandra fenestralis 

 Poir., credited to the Archipelago by Naves, Novis. App. (1882) 298, 299, 

 must be excluded. 



NAJADACEAE 



1. NAJAS Linnaeus 

 NAJAS GRAMINEA Delile Fl. Aegypt. (1812) 282, t. 50, f. 3; Naves Novis., 

 App. (1882) 298; Rendle in Trans. Linn. Soc. Bot. 5 (1899) 424, 

 443, t. 32, f. 192-201, Engl. Pflanzenreich 7 (1901) 18, /, 5, Q V; 

 Merr. Fl. Manila (1912) 68. 

 Northern Luzon to Mindanao. In shallow stagnant fresh water, at 

 low and medium altitudes; often common. Northern Africa to Japan 

 southward to New Caledonia and Australia. 



Local names: Aragan (Ilk.); bangbangi (Bon.); labui (Ig.).. 



