436 Flora of the Malayan Peninsula. 



glabrous without ; leaves 5 to 12 in. long ; main nerves 20 to 

 24 pairs ; seeds rounded at one end, bifid and acute at the 

 other .. .. .. .. ..5. A. macrophylla. 



Stamens inserted near the middle of the corolla-tube, which 

 is pubescent without ; leaves usually 4 to 6 in. long ; main 

 nerves 12 to 16 pairs ; seeds rounded at one end, long-acumi- 

 nate at the other .. .. .. ..6. A. angustifolia. 



Imperfectly Known. 

 7. a. grandifolia. 8. a. pangkoeensis. 



1. Alstonia scholaris, Br. in Mem. Wern. Soc. Edinb. I. 76 

 (1811). A large evergreen tree, reaching 60 feet or more in height 

 and 6 feet or more in girth ; stem buttressed ; branches verticillate ; 

 branchlets smooth, swollen at the nodes ; juice milky, bitter as is also 

 the wood ; glabrous except the inflorescence. Leaves coriaceous, verti- 

 cillate, 4 to 7 in a whorl ; oblong-obovate, oblong or elliptic-oblong, 

 obtuse or sometimes shortly and bluntly acute, occasionally emarginate 

 at apex, cuneate at base ; bright green and shining above, white or grey 

 glaucous beneath, 3 to 7 in. long, 1-5 to 2-5 in. broad ; midrib thick ; 

 main nerves parallel, 30 to 40 pairs, at first almost at right angles to 

 the m.idrib, slightly curving upwards to an intramarginal nerve close to 

 the edge ; secondary nerves many, similar but more slender ; reticula- 

 tions few ; petiole stout, -25 to '75 in. long, with a hooked process on 

 the upper side near the base. Inflorescence pseudo-terminal. Cymes 

 umbellately branched ; main peduncles stout, 3 to 5, variable in length, 

 usually 2 to 3 in. ; secondary peduncles slender, 5 to 7, supported often 

 by a spathulate leafy bract ; pedicels short ; terminal flowers subcapitate ; 

 bracteoles oblong or ovate ; flowers greenish-white ; buds obovoid ; 

 whole inflorescence more or less tawny pubescent. Calyx-tube very 

 short ; lobes ovate, obtuse, ciliate, sometimes unequal in size. Corolla- 

 tube cylindric, slightly enlarged below, much dilated at the top, hairy 

 on both sides, '25 to *35 in. long, annulate within at the mouth ; lobes 

 ovate, obtuse, "15 in. long, cordate at base, rounded at top. Disk none. 

 Anthers lanceolate, acute, rounded below ; pollen-grains spherical, with 

 small prominences. Ovary densely pale-villous ; style slender ; stigma 

 cylindric, bifid at apex. Fruit of 2 follicles, 1 to 2 feet long and -10 to 

 •15 in. broad, pendulous, terete. Seeds oblong, peltate, on a narrow 

 placenta, flattened, -3 in. long, -075 in. broad, scabrous-papillose on both 

 surfaces, reddish-brown, furnished at each end with tufts of slender 

 tawny hairs up to '5 in. long ; albumen very thin ; cotyledons oblong, 

 about •! in. long ; radicle slender, as long as cotyledons. A. DC. 

 Prodr. VIII. 408 ; Wall. Cat. 1644 ; Wight Ic. t. 422 ; Hook. f. Fl. 



