Materials for a Tlora of the Malatjan Peninsula. 169 



2. DiALiUM PATENS Bak. in Flor. Brit. Ind. II, 270. A tree 60-80 

 feet high vvitli a rather slender stem 10-20 in. thick ; branchlets slender 

 smooth pale-brown glabrous. Leaves alternate, odd-pinnate, 5-6 in. 

 long; leaflets 3-5, opposite or subopposite, oblong to elliptic, rather 

 abruptly cuspidately narrowed tt) an obtuse entire apex, base rounded, 

 3-5 in. long, 1 ■5-2*25 in. wide, subcoriaceous, briglit-green and shin- 

 ing above, paler and dull beneath, glabrous on both surfaces; lateral 

 nerves 8-10 pairs spreading, fine but distinct on both surfaces as is the 

 reticulate intermediate secondary venation ; petiolules stout, glabrous, 

 '25 in. long. Panicles terminal and axillary, 6-8 in. long, 4-5 in. wide, 

 racbis and branches slender and flexuous, glabrous ; pedicels glabrous 

 spreading or cernuous, •2-"25 in. long. Calyx 15 in. long, ovoid-oblong 

 in bud, tube obsolete, segments 5, white and almost petaloid, subequal, 

 much imbricated, ovate-oblong obtuse, finely grey-pubescent on both 

 surfaces, the two upper segments sometimes faintly connate. Petals 

 0. Stamens 2, filaments short slender, connective puberulous, anthers 

 oblong basifixed. Ovary silky, narrowly-ovate, sessile, tapering upwards 

 to the slender incurved style ; ovules 2. Pud ovoid, slightly compressed, 

 apex not apiculate, fiagile, black, thinly grey- pubescent, '5 in. long 

 •35 in. across, "3 in. thick. Seed solitary, nearly regularly oblong in 

 shape with rounded angles, *3 in. long, '23 in. across, "15 in. thick, dark- 

 maroon in colour, only slightly shining, neither striate nor reticulate. 



Perak ; Larut, at low elevations, Kamtler 5551 ! 5577 ! Mai<acca ; 

 Griffith 1846 (K. D.) ! Maingay 537 ! Distrib. Borneo. 



" Mninguy 537"' forms, with '' Griffith 1846," the basis of this species. The 

 description here given of pod and seed is drawn np entirely from an example of 

 ^'Maingay 537." The discrepancy between the description in the F. B. I. and the 

 actaal fruit of the species the writer is unable to explain. 



3. DiALiuM INDUM Linn. Mantiss. 24. A tree 60-70 feet high 

 with spreading branches ; branchlets slender, rugose, grey- puberulous. 

 ieatJe^ alternate, odd-pinnate, 6-8 in. long; leaflets 5-9, alternate or 

 subopposite ovate-oblong to ovate-lanceolate, narrowly acuminate apex 

 entire, base cuneate, 3-4 in. long, 1-15 in. wide, chartaceous, dark- 

 green slightly glossy above, dull and rather paler beneath, glabrous on 

 both suifaces ; lateral nerves 8-10 pairs, faint above more pronounced 

 beneath and with there a distinct reticulate intermediate secondary 

 venation; petiolules glabrous '2 in. long. Panicles terminal and axillary, 

 4 in. long, 3 in. wide; branches from 25-2 in. long, faintly silky- 

 puberulous as are the pedicels '1 in. long, usually in cluster of 3, with 

 caducous basal bracts. Calyx "15 in. long, obtuse-oblong in bud, tube 

 obsolete, segments 5 subequal much imbricate ovate-oblong obtuse, grey- 

 puberulous on both surfaces. Petals 0. Stamens 2, opposite the two 



169 



