98 Materials for a Flora of the Malayan Pemnsitla. ] 



Sub-Tribe VI. — Erythropalese. Flowers 

 dichlamydeous, ^. Petals 6, perigy- 

 nous, the stamens as many as and 

 inserted opposite to them. Ovary 

 half-immersed in the perigynons disk, 

 ] -celled, with 1 to 3 ovules. Fruit in- 

 ferior, crowned by the persistent calyx- 

 lobes and by the disc, pericarp split- 

 ting vertically into 3 to 5 pieces. 

 Scandent tendril-bearing shrubs ... 20. Erytliropalum. 



FrDIT SAMAllOID ; StIGMAS 2. 



Sub-Tribe VII. — Cardiopteridese. Flow- 

 ers dichlamydeous, ^ : corolla gamo- 

 petalous, the stamens equal to and 

 alternate with its segments ; ovules 

 pendulous ; stigmas 2, one at least of 

 them persistent at the apex of the 

 samaroid fruit. 



Trees; ovary 2-celled, with 1 

 ovule in each cell, fruit 2- 

 celled ... ... 21. Fteleocarpa. 



Herbs ; ovary 1-celled, ovules 

 2 (I usually abortive), fruit 

 1-celled, juice milky ... 22. Gardiopteris. 



1. Olax, Linn. 



Trees or shrubs, often scandent, sometimes armed. Leaves alter- 

 nate, petioled, simple. 'Racemes axillary, simple, or branched. Bracts 

 minute. Calyx minute, cup-shaped, truncate or obscurely toothed, ac- 

 crescent. Petals 4 or 5, hypogynous, valvate, free or more or less 

 coherent. Fertile stamens usually 3, generally opposite the edges of 

 the petals and attached to their bases, rarely opposite their centres ; an- 

 thers adnate to the filaments, oblong, 2-celled, dehiscing longitudinally. 

 Staminodes 5-6, bifid, usually opposite the petals. Ovary free, usually 

 surrounded by a shallow, cup-shaped, hypogynous disk, more or less 

 3-celled below, 1-celled above ; style simple, terminal, stigma 3-lobed ; 

 ovules 3, linear, pendulous from the apex of a central placenta. Friiit 

 more or less covered by the accrescent fleshy calyx ; stone crustaceous, 

 1-celled, 1-seeded. 8eed inverse, albuminous; embryo minute, in the 

 apex of albumen; radicle superior. — DiSTKiB. 25-30 species, natives 

 of the tropics of the Old World. 



1. Olax imbricata, Roxb. Fl, lud. I, 164. A scandent unarmed 



586 



