Vol. 2 OPILIACEAE 115 
Local names: Agotagot (Mbo.); kamiin (Sbl.); sigbut (Bag.); taka 
<(Ig-). 
HENSLOWIA PALAWANENSIS Elm. Leafl. Philip. Bot. 5 (1913) 1834. 
Palawan, Elmer 12752. In thickets at low altitudes. Endemic. 
DOUBTFUL AND EXCLUDED SPECIES 
HENSLOWIA BUXIFOLIA Blume; Usteri Beitr. Ken. Philip. Veg. (1905) 125. 
To this species Usteri refers a specimen from Cebu; I have seen no 
Philippine material that I consider referable to Blume’s species. 
HENSLOWIA PHILIPPINENSIS A. DC. Prodr. 14 (1857) 631; Rolfe in Journ. 
Bot. 21 (1884) 287. 
Dendrotrophe philippinensis Mig. Fl. Ind, Bat. 1* (1858) 1096. 
The type of this is Cuming 2255, from Malacca, not from the Philippines. 
3. THESIUM Linnaeus 
THESIUM PSILOTOIDES Hance in Journ. Bot. 6 (1868) 48; C. B. Rob. 
in Bull. Torr. Bot. Club. 35 (1908) 65. 
Luzon (Bontoc, Benguet), Williams 1310, Merrill 4347, Phil. Pl. 870, 
Vanoverbergh 408. On open grassy slopes, altitude 1,200 to 1,500 m. 
Southern China. 
EXCLUDED GENUS 
SANTALUM ALBUM Linn.; Vidal Sinopsis Atlas (1883) t. 81, f. C. 
Vidal’s figure was drawn from Beddome; however, he states that he had 
received specimens of sandalwood from Balabac. No botanical material 
representing the genus has ever been collected in the Philippines. 
OPILIACEAE 
1. OPILIA Roxburgh 
OPILIA AMENTACEA Roxb. Pl. Coromandel 2 (1798) 31, t. 158; Laws. 
in Hook. f. Fl. Brit. Ind. 1 (1875) 5838; F.-Vill. Novis. App. (1880) 
45; Vidal Sinopsis Atlas (18838) 20, t. 30, f. B, Rev. Pl. Vase. Filip. 
(1886) 86; Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 50. 
Opilia fragrans Elm. Leafl. Philip. Bot. 5 (1918) 1824, 
Luzon (Lepanto, Pangasinan, Rizal, Bataan, Camarines), Polillo, Culion, 
Palawan, Merrill 596, Elmer 12691, B. S. 17826 Otanes, 19294 Reillo, 
F. B, 23513 Alvarez. In dry thickets and open forests at low and medium 
altitudes, especially near the sea. India, through Malaya to northeastern 
Australia. 
Local names: Agaroiroi (P. Bis.) ; aratig (Tagb.). 
2. CANSJERA Jussieu 
CANSJERA RHEEDI!I Gmel. Syst. 1 (1791) 280; Mast. in Hook. f. FI. Brit. 
Ind. 1 (1875) 582; Merr. in Philip. Journ. Sci. 7 (1912) Bot. 265. 
Cansjera scandens Roxb. Pl. Coromandel 2 (1798) 2, t. 103. 
Cansjera malabarica Lam. Encycl. 3 (1791) 433. 
Cebu, Basilan, Sulu Archipelago (Sibutu), Merrill 5291, B. S. 11092, 
F., B. 18999 Miranda. In thickets chiefly near the seashore, rare. India to 
southern China through Malaya to Australia. 
