PLANTS OF KALIMANTAN 
Myristicaceae 
Horsf ieldia polvspherula ( Hk . f . ) 
J . Sinclair 
Headwaters of S. Kahayan, 5km S of 
Tumbangsian logging camp; Sikatan 
Wana Raya concession. Remnant of primary 
lowland forest. 0°50'S, 113°30'E. Alt.: 
150 m. 
Tree 15m x 18cm dbh. ; bark (8 mm) thick, 
light grey; outer bark brittle, flaking 
with longitudinal fissures; underbark 
reddish with red sap; flower yellow, 
fragrant; fruit dull red. 
Tukirin et al . (Burley) 
868 2 MAY, 1988 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF KALIMANTAN 
Urticaceae 
Poikilospermum scortechinii (King ex. 
Hk.f) Merr. 
Headwaters of S. Kahayan, 5km NW of 
Tumbangsian logging camp; Sikatan 
Wana Raya concession. Recently logged 
(1987/88) primary lowland forest. 0°35'S, 
113°25'E. Alt. : 150 M. 
Shrubby liana on Diospyros sp. to 25 m 
tall. Inflorescence greenish-white. 
J.S. Burley, Ismail et al . 
680 17 April, 1988 
HARVARD UNIVERSITY HERBARIA 
PLANTS OF KALIMANTAN 
Polypodiaceae 
Archvpteris irregularis (Presl.) Hollt. 
Headwaters of S. Kahayan, 5km NW of 
Tumbangsian logging camp; Sikatan 
Wana Raya concession. Shady river bank in 
primary lowland forest . 0°35'S, 113°25'E. 
Alt . : 150 m. 
Fern to 1.5 m tall. 
J.S. Burley, Argus et al . 
683 18 April, 1988 
HARVARD UNIVERSITY HERBARIA 
