VoL 3 ACANTHACEAE 485 



PERISTROPHE SI BULAN ENSIS (Elm.) comb. nov. 



Hypoestes sibulanensis Elm. Leafl. Philip. Bot. 7 (1915) 2546. 



Mindanao (Davao), Elmer 11152. In thickets in ravines along streams, 

 altitude about 500 m. Endemic. 

 Local name: Ras-ras (Bag.). 



DOUBTFUL AND EXCLUDED SPECIES 



Peristrophe acuminata Nees ; Lindau in Perk. Frag. Fl. Philip. (1904) 40. 



The reference is based on Warburg 15015 from Jolo. The species is 

 otherwise Indian; I have seen no specimens. 



Peristrophe bicalyculata Nees; F.-Vill. Novis. App. (1880) 156. 



Justicia bicalyculata Vahl; Llanos ex F.-Vill. & Naves in Blanco Fl. 

 Filip. ed. 3, 4 1 (1880) 100. 



Peristrophe fragilis Nees; F.-Vill. 1. c. 



19. RUNGIA Nees 



RUNGIA D1VERSIFORMIS Nees in DC. Prodr. 11 (1847) 472; Miq. Fl. 

 Ind. Bat. 2 (1858) 842; F.-Vill. Novis. App. (1880) 156; Vidal 

 Phan. Cuming. Philip. (1885) 133, Rev. PI. Vase. Filip. (1886) 207. 



Luzon (Pangasinan, Zambales, Bulacan, Rizal, Bataan, Laguna), Pa- 

 lawan, Cuming 1080, Merrill 5051, 9550, 9181, Phil. Pi. 1963, B. S. 29977 

 Fenix, 13025, 1763, 22287, 1762, 34149, 34074, 34027 Ramos. In thickets 

 and along streams in ravines at low and medium altitudes. Endemic. 



RUNGIA LEPIDA C. B. Clarke in Philip. Journ. Sci. 1 (1906) Suppl. 248. 



Luzon (Abra, Amburayan, Lepanto, Bontoc, Ilocos Sur, Pangasinan), 

 Merrill U450, Vanoverbergh 1798, 3817, B. S. 4842, 7228 Ramos. On banks 

 and in open grasslands at low and medium altitudes, ascending to 1,200 m. 

 Endemic. 



RUNGIA MEMBRANACEA Merr. in Philip. Journ. Sci. 11 (1916) Bot. 

 205. 

 Samar,, B. S. 24515 Ramos. In forests at low altitudes. Endemic. 



RUNGIA PARVI FLORA Nees in Wall. PI. As. Rar. 3 (1832) 110, DC. 

 Prodr. 11 (1847) 469; Merr. in Philip. Journ. Sci. 5 (1910) Bot. 



388. 



Luzon (Bontoc, Lepanto, Benguet), Merrill 4557, Vanoverbergh 836, F. B. 

 16080 Curran, Merritt f & Zschokke, B. S. 37916 Ramos & Edano. On open 

 grassy slopes, altitude 1,500 to 1,900 m. India to China and Malaya. 



RUNGIA PHILIPPINENSIS C. B. Clarke in Govt. Lab. Publ. (Philip.) 35 

 (1906) 92. 

 Rungia longifolia Nees in DC. Prodr. 11 (1847) 471, quoad Philip.; 

 Miq. Fl. Ind. Bat. 2 (1858) 841; F.-Vill. Novis. App. (1880) 156; 

 Vidal Phan. Cuming. Philip. (1885) 133, Rev. PL Vase. Filip. 

 (1886) 207, non Nees & Arn. 

 Luzon (Cagayan, Benguet, Nueva Vizcaya), Mindanao, (Lanao), Cuming 

 1276, Elmer 6000, Merrill 157, B. S. 5848, 8027 Ramos, 11293 McGregor. 

 In forests and thickets, chiefly at medium altitudes. Endemic. 



