76 ENUMERATION OF PHILIPPINE PLANTS 1923 
4, PILEA Lindley 
PILEA APOENSIS Elm. Leafl. Philip. Bot. 3 (1910) 882; C. B. Rob. in 
Philip. Journ. Sci. 5 (1910) Bot. 492. 
Mindanao (Davao, Bukidnon), Elmer 11551, B.'S. 38697 Ramos & Edano. 
In forests, altitude about 1,700 m. Endemic. 
Local name: Sogalum (Bag.). 
PILEA BENGUETENSIS C. B. Rob. in Philip. Journ. Sci. 5 (1910) Bot. 488. 
Luzon (Benguet, Bontoc, Nueva Vizcaya), Merrill 9696, Phil. Pl. 801, 
Elmer 6304, B. S. 376738 Ramos & Edano. In damp shaded ravines, on 
cliffs, limestone bowlders, etc., altitude 1,300 to 2,000 m. Endemic. 
PILEA CALCICOLA C. B. Rob. in Philip. Journ. Sci. 5 (1910) Bot. 493, 6 
(1911) Bot. 30 
Luzon (Rizal, Bulacan), Loher 6902, B. S. 13596, 29763 Ramos, 9529 
Robinson, Merrill Phil. Pl. 51. On limestone cliffs in forests and gorges 
at low and medium altitudes. Endemic. 
PILEA DATAENSIS C. B. Rob. in Philip. Journ. Sci. 5 (1910) Bot. 494. 
Luzon (Lepanto, Ifugao), Merrill 4002, B. S. 19719 McGregor. In the 
mossy forest, altitude about 2,100 m. Endemic. 
PILEA HUMILIS C. B. Rob. in Philip. Journ. Sci. 5 (1910) Bot. 488. 
Luzon (Bontoc, Lepanto, Benguet), Negros (Canlaon Volcano), Merrill 
6912, 6510, 4457, Phil. Pl. 273, Vanoverbergh 761, 1361. In ravines, in 
the mossy forest, and on open peaks of the higher mountains, altitude 
1,200 to 2,800 m. Endemic. 
PILEA INTUMESCENS ©. B. Rob. in Philip. Journ. Sci. 5 (1910) Bot. 492. 
Panay, Mindanao, B. S. 31050 Ramos & Edano, Clemens 1223. In damp 
shaded ravines, altitude about 700 m. Endemic. 
PILEA LUZONENSIS Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 48; 
C. B. Rob. op. cit. 5 (1910) Bot. 492. 
Luzon (Benguet, Bataan, Rizal), Mindanao, Merrill 8262, Whitford 279, 
1129, Elmer 13707, B. S. 29718 Ramos & Edano. In damp shaded ravines 
along streams at medium altitudes, ascending to 1,400 m. Endemic. 
Local names: Momogasag (Mbo.); ngalui (Ig.). 
PILEA MELASTOMOIDES (Poir.) Wedd. in Ann. Sci. Nat. Bot. IV 1 
(1854) 186; Merr. in Philip. Journ. Sci. 5 (1910) Bot. 344; C. B. 
Rob. op. cit. 490. 
Urtica melastomoides Poir. in Lam. Encycl. Suppl. 4 (1816) 223. 
Luzon (Lepanto, Kalinga, Ifugao, Bontoc, Benguet, Laguna), Merrill 
9664, 7632, 4784, 4579, 4498, Elmer 6533, B. S. 19718 McGregor, 37539 
Ramos & Edano. In the mossy forest, altitude 1,800 to 2,300 m. India, 
Ceylon, Java. 
PILEA MICROPHYLLA (Linn.) Liebm. in Vidensk. Selsk. Skr. 5* (1851) 
302; C. B. Rob. in Philip Journ. Sci. 5 (1910) Bot. 487; Merr. Fl. 
Manila (1912) 182. 
Parietaria microphylla Linn. Syst. ed. 10 (1759) 1308. 
