26 ENUMERATION OF PHILIPPINE PLANTS 1906 
Local names: Katabang (Tag.); katiban (Tag.); katibang (Tag.); ola- 
yan (Tag.); palonapoi (Sbl.); pangnan (Tag.); pangnan-lalaki (Tag.) ; 
pagnan (Tag.); ratiban (Tag.); ulayan (Bag., Tag.). 
QUERCUS BICOLORATA Elm. Leafl, Philip. Bot. 6 (1913) 1985. 
Mindanao (Agusan), Elmer 13810. In forests, altitude about 900 m. 
Endemic. 
Local name: Lipdkon (Mbo.). 
QUERCUS CAGAYANENSIS Merr. in Philip. Journ. Sci. 13 (1918) Bot: 6. 
Luzon (Cagayan, Ilocos Sur, ? Rizal), F. B. 26973 Velasco, 6665 Klemme, 
25486 Paraiso, 23958 Maneja. In forests, 60 to 400 m. altitude. Endemic. 
Local names: Kakana (Tag.); olayan (Ibn.). 
QUERCUS CASTELLARNAUIANA Vidal Rev. Pl. Vasc. Filip. (1886) 264; 
’ Merr. in Philip. Journ. Sci. 3 (1908) Bot. 326. 
Synaedrys castellarnauana Koidz. in Bot. Mag. Tokyo 30 (1916) 190. 
Marinduque, Vidal 1806. Endemic. 
Local name: Puso-ptiso (Tag.). 
QUERCUS CAUDATIFOLIA Merr. in Philip. Journ. Sci. 3 (1908) Bot. 
324; Elm. Leafl. Philip. Bot. 3 (1910) 939. 
2 Quercus celebica Vidal Sinopsis Atlas (1883) 41, t. 92, f. A; 
F.-Vill. Novis. App. (1880) 207, non Migq. 
Synaedrys caudatifolia Koidz. in Bot. Mag. Tokyo 30 (1916) 190. 
Lithocarpus caudatifolia Rehd. in Journ. Arnold Arb. 1 (1919) 123. 
Luzon to Mindanao, Whitford 276, Merrill 2702, 2979, Elmer 11884, F. B. 
17401 Curran, 806 Borden. In forests at medium altitudes. Endemic. 
Local names: Bayukan (Tag.); dalutan (Ilk.); dirdan (Ilk.); katabang 
(Tag.); kerkersdéng (Ilk.); makabingau (Tag.); puso-piso (Tag.); ula- 
yan (Bag.). 
QUERCUS CELEBICA Miq. Ann. Mus. Bot. Lugd.-Bat. 1. (1863-64) 110; 
Elm. Leafl. Philip. Bot. 3 (1910) 988. 
Synaedrys celebica Koidz. in Bot. Mag. Tokyo 30 (1916) 194. 
Lithocarpus celebica Rehd. in Journ. Arnold Arb. 1 (1919) 123. 
Mindanao (Davao), Elmer 11928. In forests, altitude about 700 m. 
Celebes, Buru. The identity of the Philippine form with Miquel’s species 
is doubtful. 
QUERCUS CLEMENTIS Merr. in Philip. Journ. Sci. 3 (1908) Bot. 321. 
Pasania clementis Schky. ex Winkler in Engl. Bot. Jahrb. 49 (1913) 
358. 
Synaedrys clementis Koidz. in Bot. Mag. Tokyo 30 (1916) 194, 
Mindanao (Lanao), Basilan, Clemens 1138, 906, B. S. 16122 Reillo, F. B. 
18909 Miranda. In forests at medium altitudes. Endemic. 
QUERCUS COOPERTA Blanco FI. Filip. ed. 2 (1845) 503, ed. 3, 3 (1879) 
130; A. DC. Prodr. 16* (1864) 105; Merr. in Philip. Journ. Sci. 3 
(1908) Bot. 329, Sp. Blancoanae (1918) 129. 
Castanea cooperta Oerst. in Vidensk. Selskr. Skr. 9 (1873) 379. 
Castanopsis costata F.-Vill. Novis. App. (1880) 209, non A. DC. 
? Quercus fernandezii Vidal Sinopsis Atlas (1883) 41, t. 92, f. EB, 
Rev. Pl. Vasc. Filip. (1886) 260. 
