1898.] G. King — Materials for a Flora of the Malayan Peninsula. 43 



1. Aralia. 



2. Aralidium. 



petioled, large, simple or compound; stipules adnate to the petiole, 

 sometimes inconspicuous or 0. Flowers regular, small, often polygamous, 

 in umbels racemes or umbellate panicles ; bracts and bracteoles small 

 or conspicuous ; pedicels continuous with the base of the calyx or 

 jointed. Calyx-tube adnate to the ovary ; limb truncate, obsolete or 

 with small teeth. Petals 5, rarely 6-7 or many, valvate or sub-imbricate, 

 expanding or calyptrate. Stamens as many as and alternate with the 

 petals (very many in Tupidanthus) , inserted round an epigynous disc. 

 Ovary inferior, 2-celled, or cells as many as the stamens, or 1 -celled ; 

 styles as many as the cells, distinct or united ; ovules solitary and 

 pendulous in each cell. Fruit coriaceous or drupaceous, usually small, 

 one or more cells sometimes suppressed. Seed pendulous, albumen 

 uniform or ruminate ; embryo minute, radicle next the hilum. Distrib. 

 Species 400, chiefly tropical and subtropical, a few in the cool temperate 

 zones. 

 Petals imbricate (slightly) ; pedicels of flowers 

 jointed : — 



Styles 2-5, free ; leaves compound 

 Styles 3 or 4, free ; leaves simple, entire, lobed or 

 pinnatifid ; ovary 1-celled 

 Petals valvate ; stamens not exceeding 12 :— 



Albumen uniform, ovary 4-12-celled, pedicels continu- 

 ous with the flower, leaves simple or digitately com- 

 pound : — 



Fruit boldly ridged, never more than '3 in. long ; 



leaves usually compound ... 

 Fruit succulent, ovoid-rotund, *5 in. in diam. ; leaves 



simple, large, rotund-reniform, lobed 

 Fruit succulent, *3 in. in diam., obscurely ridged ; 

 leaves simple, entire (palmately lobed in young 

 shoots) 

 Albumen ruminate : — 

 Ovary 1-celled : — 

 Ovary 1-ovulate, leaves compound ... 

 Ovary with 2 ovules ; fruit 2-celled, 2-seeded, 

 leaves simple 

 Ovary 2-celled, pedicels continuous : — 



Style distinct ; leaves pinnately decompound ... 

 Styles combined ; leaves digitate, palmate or 

 angled 

 Ovary 4- or 5-celled, pedicels jointed 

 Petals valvate ; stamens 30-50 



1. Aralta, Linn. 



Herbs, shrubs or small trees, glabrous, hairy or prickly. Leaves 

 alternate or whorled, digitate, pinnate or compound-pinnate; leaflets 



3. 



Heptapleurum. 



4. 



Trevesia. 



5. 



Dendropanax. 



6. 



Arthrophyllum. 



7. 



Wardenia. 



8. 



Heteropanax. 



9. 



Brassaiopsis. 



10. 



Heteropsis. 



11. 



Tupidanthus. 



