Pterospcrmum.] xxiv. sterculiace.e. 283 



Stipules small, linear. Flowers white, 6 to 7 in. long, solitary or 

 in 3- or 4-flowered axillary cymes; pedicels "2 in. long. Sepals 

 coriaceous, linear blunt. Petals membranous, linear glabrous, 

 little longer. Staminal tube 2 in. long; fertile anthers 10, 

 Staminodes 5, pubescent. Ovary fusiform, tomentose ; style less 

 than 2 in. long. Stigma fusiform. Capsule woody oblong, acutely 

 5-angled, 4 to 5 in. long, 1-5 to 2 in. through. Seeds flattened, 

 1*5 to 2 in. long. Hab. Forests, not very common. Singapore, 

 Pulau Ubin. Malacca; Batu Tiga; Panchur. Negri Sembilan, 

 Bukit Kandang. Selangor, Kwala Lumpur. Perak, Goping 

 (Kunstler). Distrib. Java, Philippines, Cochin-China. Native 

 name : Bayur jantan. 



(2) P. Blumeanum /Cor/A. Ned. Kruidk. Arch. ii. 311; King, 

 I.e. 84.' 



A tall but not stout tree 40 to 50 ft. high. Branches covered 

 with red hairs, eventually blackish. Leaves thinly coriaceous, 

 inequilateral, oblong-ovate or lanceolate-oblong acuminate, base 

 broad unequally cordate, above light green, shining beneath tawny- 

 tomentose, with stellate hairs inter-mixed; nerves 7 to 9 pairs, 

 3 to 5*5 in. long, 135 to 2 in. wide; petioles "l$ in. long. Stipules 

 subulate-lanceolate. Flowers 2 in. long, solitary or in 2- or 3- 

 fiowered cymes, axillary or pseudoterminal ; pedicels '5 in. long. 

 Sepals coriaceous linear acute, stellate-pubescent outside, pubescent 

 inside. Petals obliquely oblong-lanceolate or sub-spathulate, 

 shorter, white. Staminal-tube '5 in. long ; anthers 10 ; staminodes 

 5. Ovary ovoid, villous; style shorter than tube. Capsule 

 oblong woody, 5-angled, narrowed at base, glabrous when ripe, 

 3 to 4 in. long, i"5 in. through. Seeds 1*5 in. long. Hab. Com- 

 mon in forests. Singapore, Bukit Timah, etc. Johor, Sungei Biku 

 (Down). Selangor, Sungei Buluh (Burkill). Perak, Larut Hills. 

 Penang, Balik Pulau. Lankawi at Kwah. Distrib. Burma, 

 Assam, Java, Sumatra, Borneo. Native name : Bayur. 



(3) P. Jackianum Wall. Cat. 1164; Masters, I.e. i. 367. 



A tree. Branches covered with white tomentum, with rufous 

 stellate hairs. Leaves sub-coriaceous, oblong or elliptic-oblong, 

 slightly inequilateral, edge entire or sinuate towards the tip, base 

 sub-acute or truncate, minutely cordate, not auricled, glabrous 

 above except midrib and nerves, below pale buff minutely tomentose 

 with rusty stellate hairs; nerves 10 to 12 pairs, 4 to 5*5 in. long, 1*5 

 to 2*2 in. wide; petioles '25 in. long. Flower 2 in. long, solitary 

 axillary; pedicels "i in. long, tomentose. Sepals linear-lanceolate, 

 tomentose outside. Petals shorter, white, oblanceolate, scaly 

 puberulous outside. Staminal-tube "25 in. long; anthers 12; 

 staminodes 5. Ovary fusiform; style longer than the stamens. 

 Capsule shortly stalked, ovoid terete, acute, i'5 in. long, i in. 

 through, covered with flat, scaly hairs. Hab. Hill forests. Penang, 

 Bukit Erskine (Curtis, Phillips), Distrib. Tenasserim, S. Siam. 



