3 ^ CLVi. PALMACE^ \Metroxyloii. 
{2) M. Rumphii Hist. Nat. Palm. iii. 213, pi. 102, 159. 
Sagus Rumphii Willd. Sp. pi. iv. 404. 
Stems rather shorter than in M. sagus and leaves smaller. 
Leaf-sheaths armed with strong slender spines 6 in. long or less 
arranged on transverse curved ridges; midrib with similar spiny 
crests; pinnae shorter than in M. sagus. Sheaths of inflorescence 
spiny. Spikes less woolly; sepals short, rounded. Petals elliptic. 
Pistillode of 3 terete pink processes. Styles in female connate in 
a beak. Hab. Less commonly cultivated in the Malay Peninsula 
than the smooth sago, but more commonly in the islands further 
east and probably a native of Papua. It is used in the same way 
as the smooth sago. 
20. ZALACCA, Bl. 
Stemless or short-stemmed bushy palms. Leaves pinnate long 
thorny, leaflets linear or lanceolate. Spadix from among leaves 
usually short, unisexual. Male spikes many, short, stout, cylindric, 
usually woolly. Calyx tubular, 3-lobed, or sepals free to base. 
Corolla longer. Stamens 6, free. Female spikes larger. Stami- 
nodes 3 to 6 or o. Drupe large, ovoid, with brown scales. Seeds 
I to 3, in acid pulp. Species 9 or 10, Assam, Malaya. 
The Salak, Zalacca editlis BL, is cultivated in Java and the 
edible fruits are sold in Singapore. 
Leaflets linear acuminate; spadix bisexual, very- 
dense; fruit yellow; scales flat . . . . (i) Z. conierta 
Leaflets oblong falcate; spadices unisexual; spadix 
compact; fruit brown; scales flat . . • (2} Z. afl&nis 
Spadix elongate, trailing; fruit brown, scales with 
upcurved points; spathes shorter than glabrous 
spadices.. . . (3) Z. glabrescens 
Spathes longer than woolly spadices . . ■ (4) Z. Wallichiana 
(1) Z. conferta Griff. Calc. Journ. Nat. Hist, v, 16; Palms of 
Brit. Ind. 19, t. 180 a, b, c; Mart. Hist. Nat. Palm. iii. 201, t. 137, 
174; Ridl. Mat. ii. 169. 
Stemless plant. Leaves 15 ft. tall; rachis spiny; leaflets linear 
acuminate. Spadix much-branched, dense; spikes 4 to 5 in. long. 
Flowers in pairs, one male, one female, -25 in. long. Calyx lobes 
linear, free to base. Petals twice as long. Drupe obovoid yellow, 
over I in. long, tip mammillate, scales smooth, flat, grooved, pulpy, 
very acid. Hab. Very common in low, wet woods forming im¬ 
penetrable thickets, in water. Singapore, Tanglin ; Bukit Timah; 
Changi, Malacca. Selangor, Kwala Lumpur. Dindings, Lumut. 
Perak. Distrih. Borneo. Native names: Asam Paya; Kelubi. 
Use : The acid fruit-pulp is eaten by Malays. 
(2) Z. afBnis Griff, l.c. 9; Palms of Brit. Ind. 12, t. 176; Ridl. 
Mat. ii. 169. 
Stem short stout. Leaves 12 ft. long; leaflets oblong falcate, 
12 in. long, 3 in. wide. Spadix 13 in. long, dense. Male spikes 
