Materials for a Flora of the Malayan Peninsula. 117 



Ultimate branches of the inflorescence scor- 



poid cymules 1"5 in. or moi'e in length ... 1. L. secundiflora. 

 Ultiinsite branches of the inflox'esceuce about 

 •25 in. long. 

 Leaves cuneate-obovate ... ... 2. L. umhellata. 



Leaves elliptic-oblong or elliptic-acu- 

 minate ... ... ... 3. L. vialaccensis. 



1. Lasianthera secundiflora, Miq. Fl. Ind. Bat. I, Pt. I, 792 ; 

 Suppl. 342, t. 2, pp. 43 and 403. A glabrous tree 40 to 60 feet high ; 

 young branches stout, dark-coloured. Leaves coriaceous, elliptic or 

 ovate-elliptic, very shortly and bluntly acuminate or obtuse, the base 

 rounded or narrowed ; the midrib prominent on the lower surface, de- 

 pressed on the upper ; main nerves about 10 pairs, ascending, curving 

 slightly, not much more prominent when dry than the secondary nerves 

 and wide reticulations ; length 5 to 10 in., breadth 2'25 to 4 in. ; petiole 

 •5 to '75 in., stout. Peduncles solitary, longer than the petioles, woody, 

 each bearing at its apex an umbel of 6- to 9-flowei'ed secund sub- 

 scorpoid cymes. Floivers sessile, ebracteate, "25 in. long. Calyx short, 

 puberulous. Petals glabrous, four or five times as long as the calyx, 

 oblong, sub-acute, each bearing a fleshy conical inflected process slightly 

 below the apex. Filaments flattened, tapering to the base ; the con- 

 nective thick, bearing a dense tuft of white hairs as long as the stamen. 

 Ovary fui^rowed, shorter than the stamens but longer than the style. 

 Fruit narrowly ellipsoid, 2'5 in. long, and 1 in, in diam., tapering to 

 each end, glabrous, vertically grooved ; epicarp thin, mesocarp fibrous, 

 endocarp thin and bony ; embryo half as large as the albumen, cotyledons 

 foliaceous, cordate, radicle superior. Stemonurus secundiflorus, Blume 

 Bijdr. 649 ; Mus. Bot. Lugd. Bat. I, t. XLV ; Beccari, Malesia, Vol. I, 

 t. IV, figs. 16 and 17 ; Valeton, Olacinte 234. 



Singapore, Johore : Bidley. Perak : King's Collector, Wray. 

 DiSTRiB. — Java, Sumatra. 



2. Lasianthera umbellata. King. A glabrous tree 50 to 60 feet 

 high (or a shrub fide Beccari) ; young branches cinereous, terete. 

 Leaves coriaceous, cuneate-obovate, the apex rounded or slightly retuse, 

 much narrowed to the base, midrib prominent beneath ; main nerves 

 7 to 9 pairs, ascending, faint; length 25 to 3"5 in,, breadth 1'25 to 1*8 

 in., petiole "5 to '7 in. Cymes longer than the petioles, umbellulate ; 

 the 4 to 6 cymules each with 4 or 5 flowers. Flowers sessile, '15 in, 

 long, broad, truncate. Calyx nearly half as long as the petals, pube- 

 scent, coriaceous, the edge with 6 broad rounded teeth. Petals sub- 

 coriaceous, elliptic, obtuse at each end and with an inflexed process below 

 the apex, puberulous outside, glabrous inside. Filaments attenuated 



605 



