1897.] Q. King -^Materials for a Flora of the Mai aijan Peninsula. 169 
2. DiAtitJM PATENS Bak. in Flor. Brit. Ind. II, A tree 60-80 
feet high with a father slender stem 10-20 in. thick ; braiichleta slender 
smooth pale-brown glabrous. Leaves alternate, odd-piunate, 5-6 ia. 
long', leafleta 3-5, opposite or suboppostte, oblong to elliptic, rather 
abraptly cuspidately narrowed to an obtuse entire apex, baB© rounded, 
3-5 in. long, 1*d-2-25 in. wide, aubcoriaceous, bright-green and shin- 
ing above, paler and dull beneath, glabrous on both smrfacea ; 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. Faniclm terminal and axillary, 6-8 in. long, 4-5 in, wide, 
racbis and branches slender and flexuous^ glabrous ; pedicels gkbrona 
spreading or cernuous, '2-*25 in, long, Galyia '15 in. long, ovoid-oblong 
m bad, tube obsolete, sef^ments 5, white and almost petaloid, sabequal^ 
much imbricated, ovate-obloiig obtuse, finely grey-pubescent on both 
surfaces, the two upper segments sometimes faintly connate. Petals 
0, Stamem 2, filaments short slender, connective puberialous, anthers 
oblong basitixed. Ovarij silky, narrowly-ovate, sessile, tapering ap wards 
to the slender incurved style ; ovules 2, Pod ovoid, slightly compressed, 
apex not apiculate, fragile, black,' thinly grey-pubescent, '5 in. long 
'35 in. across, ,'3 in, thick. Seed solitary, nearly regularly oblong in 
shnpe with rounded angles, "3 in. long, '23 in. across, "IS in. tliiok. dark- 
maroon in colonr, only slij^htly shining, neither striate nor reticulate. 
Perak ; Larut, at low elevatiotiy, Kunsfitr 5551 ! 5577 ! Maj-ACCA ; 
Ori0h 1846 (K. D.) i Maingay 537 ! Distbib. Borneo. 
*' Maingay 537" forms, with Griffith 1846," the basis of this species. The 
dfiRcription hero given of pod and mod is drawn tip entirely ftom an eiample of 
"Iffiifijay 537,'* Tlio diacropjiiipy between the deecrJptioti la the F. B. I. and the 
a<;tuftl fniit of the BpeoiuB tke writer is unnble to explain. 
3, DiALiUM TNDUM Linn. Mantiss. 24 A tree 60-70 feet high 
with spreading branches ; branch lets slender, rngose, gi'ey-puberuloiis. 
Leaves alternate^ odd*piimate, 6-S in. long; leaflets 5-9, alternafco or 
Bubopposite ovate-oblmig to ovate-lanceolate, narrowly acuminate apex 
entire, base cuneate, 3-4 in, long, 1-15 in. wide, chartaceous, dark- 
gi-een slightly glossy above, dull and rather paler beneath, glabrous on 
both BurfacQs ; lateral nerves 8-10 pairs, faint above more pronounced 
beneath and with there a distinct reticulate intermedial e secondary 
venation; petielales gliihroug "2 in. long, Panicies terminal and axillary, 
4 in. long, 3 in. wide; brancheB from '25-2 in. long, faintly silky- 
puberulous as are the pedicels '1 in. long, usually in cliastei-a of 3, with 
caducous basal bracts. Calyx 15 in. loiig, obtuse-oblong in bud, tube 
obsolete, segments 5 subequal much imbricate ovate-oblong obtuse, grey- 
puberulous on both surfaces. Peiah 0. Stamens 2, opposite the two 
J. IL 22 
