276 Flora of the Malayan Peninsula. 
1. ScteRopyRuM Matneayl, Hook. f. in Fl. Br. Ind. V. 235 
(1886). A medium-sized tree reaching 12—15 m. in height, the stem 
armed with stout spines (Curtis); branchlets smooth, pale brown. 
Leaves ovate or ovate-oblong, obtuse or acuminate at apex, acute or 
rounded, usually unequally, at base; both surfaces glabrous, olive- 
brown when dry; 15—30 cm. long, 8—13 cm. broad; midrib strong, 
impressed above; main nerves 4—5 pairs, prominent, irregular, 
keeled above, curving to anastomose in loops near the margin, joined 
by irregular widely-netted nervules; petiole stout, 1—1°5 cm long. 
Spikes of 3 flowers about 5 cm. long, the rhachis pubescent; bracts 
ovate acuminate ‘5—1 mm. long recurved; perianth-tube thick, lobes 
2 mm. long, acuminate, glabrous within; of ¢ flowers elongated, 
much enlarged in fruit and then reaching 20 cm. or more. Stamens 
short, filaments thick, glabrous, anther-cells rather large. Disk 5- 
lobed. Ovary pubescent; stylethick; stigma capitate, lobed. Drupe 
subglobose, pyriform, the peduncle contracted, the globose portion 
2—3 cm. in diam.; exocarp fleshy, glabrous, endocarp bony, deeply 
ribbed. Seed globose, conform to the endocarp; albumen fleshy. 
Koord. & Val. Bijdr. V. 375; Koord. Exkurs. Fl. Jav. IT. 169. 
Penane: at Puntie Achie, Curtis 3082!. Panane: at Sungei 
Tahan, Ridley 2651!. Matacca: Maingay K.D. 1438!; at Marlimo, 
Alwis 2156!. 
2. SCLEROPYRUM RIDLEYI, Gamble in Kew Bull. 202 (1912). A 
small tree, the trunk armed with sharp thick straight thorns 1—2°5 
em. long; branchlets thick, also spinous, the uppermost softly fer- 
ruginous-tomentose, as are the innovations, the inflorescence and the 
under surfaces of all but old leaves. Leaves submembranous, vari- 
able in shape; ovate obovate or oblong-lanceolate, acute or acumin- 
ate sometimes abruptly at apex, acute or rounded and often unequal 
at base; both surfaces pale when dry, the upper somewhat bullate ; 
10—25 cm. long, 5—10 cm. broad; midrib prominent, impressed 
above; main nerves 6—10, irregular, prominent beneath, curving to 
anastomose near the margin, joined by prominent irregular trans- 
verse nervules and reticulation ; petiole 3—10 mm. long, channelled 
above. Spikes of 3 flowers densely rufous-pubescent, 7—8 cm. long, 
the rhachis thick, the perianth-tube thick, 5 mm. long; of ¢ flowers 
15—25 em. long, the rhachis densely pubescent; perianth-tube 
cylindric, rufous-tomentose, 2—3 mm. long; perianth-lobes ovate, 
reflexed, 2—3 mm. long. Stamens very short, filaments thick, 
