APOCYNACE^ 

 42. CERBERA ODALLAM, Gaertn. 



Koh Samui (banks of mountain stream on granite) Koli 

 Pennan. Tree 25 feet tall. Distrib. — Tropical Asia. 



V.i. LOCHNKRA ROSEA, Rcnu. fil. 



Koh Samui. No. 5704. 



Now established all along the Malay Coasts. Native of South 

 America. 



«. TRACHELOSPERMUM ( § Axillares) LAURIFOLIUM, sp. nov. 



Erect shrub. Leaves opposite, coriaceous, lanceolate acuminate, 

 base shortly cuneate, 14 cm. long, 3 cm. wide, nerves 9 pairs, 

 prominent beneath, midrib depressed above, elevate beneath, petiole 

 thick, 3 mm. long. Cymes axillary, peduncle thick 1-2 mm. long. 

 Flowers 5-7, subumbellate, pedicels thick, 7 mm. long, glabrous. 

 Bracts very small ovate rounded. Calyx 5-lobed, lobes rounded 

 quite obtuse fleshy pubescent 2 mm. long, scales alternating with 

 them short narrow lanceolate obtuse. Corolla tube 6-9 mm. long, 

 cylindric glabrous, yellowish, lobes 5 contori, 6-9 mm. long, oblong 

 obtuse broad pubescent on the upper face with stellate hairs. 

 Stamens adnate to corolla mouth, exsert forming a cone, anthers 

 lanceolate, outside pubescent with a terminal hair tuft, inside 

 glabrous with a swollen boss at the back and a tuft of hairs on the 

 connective, base of anther cells slightly divaricate. Ovary bilobed 

 and four grooved at the top, which is pubescent. Style slender, 

 stigma conic, coronal scales round the ovaiy in two series, the outer 

 ones lobed and notched (5) alternate, the inner ones (10) sim])le 

 obtuse and fleshy. 



Koh Pennan. No. 5764. 



This species differs from T. axillaris. Hooker til. in its lanceolate 

 coriaceous leaves and larger flowers with hairy petals. 



ASCLEPIADACE^. 

 45. TYLOPHORA FLAVESCENS, sp. nov. 



A climbing hei-b with tomentose stems and leaves. Leaves 

 herbaceous, ovate to ovate lanceolate, shortly cuspidate, base rounded 

 slightly cordate 7 cm. long, 3 cm. wide, nerves 3 pairs inarching, 

 slender petiole 5 mm. long, tomentose. Raceme axillary, peduncle 

 7-8 mm. long. Bracts linear very nai-row. Pedicels slender 1 cm. 

 long, all hairy. Sepals very narrow, linear acuminate hairy. 

 Corolla glabrous, greenish yellow, lobes ovate acute, many nerved 

 8 mm. across. Corona lobes broad fleshy obovate with a strong 

 keel on the inner face and a long obtuse tooth. Stamens carinate, 

 anthers cordate, lobes rounded with a short free central filament. 

 Pollinia 2 elliptic pale yellow, hardly waxy. Carrier very minute. 

 Stigma capitate, flat at the top stellate. 



Koh Pennan. No. 5751. 

 Mar., 1916. 



