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Memecylo7i.'\ lx. melastomace^. (C. B. Clarke.) * 565 



M. PYBiFOEME, Wall Cat 4106 is not Melastomaceous. 



M. PAUciFLOKUM, Wall, Cat, 4114 is Canthium glomeratum, Miq, 

 ■ M. ACUMINATUM, Wall, Cat, 4105 is not a Memedylon. 



M. suBTRiNBRviuM, i^f25'. VQ,T, graudlfoUa, Kurz in Journ, As. Soc, 1876, pt. ii. 

 131, from the Nicobars, with leaves 8-10 in., and obovoid-oblong berries | in. diam., 

 IS perhaps next to M, heteropleurum No, 19, but we have seen no specimen. 



Two branchlets with detached leaves and fruits collected by Dr. T. Anderson at 

 Singapore are referred by Triana to Pachyceniria tuberculosa, Korths, a Borneo 

 species. The identification appears correct ; but this very imperfect material is the 

 only ground for supposing that the species has been collected within the limits of the 

 present Flora. 



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.: ObbebLXI. XiYTKRA CSSS. (By C. B. Clarke, F.L.S.) 



-^ Trees shrubs or terbs ; branches often quadrangular. Leaves entire, oppo- 

 Bite, sometimes alternate or whorled ; stipules 0. In^orescence various, often in 

 c^es or panicles. Flowers hermaphrodite, regular, rarely oblique, unisexual in 

 Crypteronia, Calyx-tube free, persistent j lobes 3-6, valvate, accessory often 

 added. Petals as manj as the calyx-teeth, rarely 0, inserted near the top of the 

 calyx-tube. Stamens definite or very many, inserted on the calyx-tube. Ovary 

 fr^, in the bottom of .the calyx-tube (rarely inferior), 2-6-celled ; style long, 

 stigma capitate rarely 2-lobed ; ovules very many, placentas axile (rarely pa- 

 rietal). Fruit coriaceous or membranous, free or more or less adnate to the 

 oase of the calyx, 2-6-celled or by imperfection of the partitions 1-celled, 

 dehiacent or not. Seeds many, various in shape, angular round or winged, 

 albumen ; embryo straight, cotyledons convolute in Sonneratia and Punica, — 

 ■DisxEiB. Species 260 ; in the tropics of the whole world especially of America; 

 * lew species scattered over the temperate zones. 



, Nesgea triflora, Kunth, introduced into Wight and Arnott's Prodroynm (p. 307), 

 IS a jJauritian plant collected occasionally in India. 



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- Tribe I. AmmannieaD. Low or aquatic heros with small or minute 

 flowers. Calyx membranous. 



Herbs growing in moist places . !• Ammannia. 



ilerb growing in water the flower-spike exsert ...... 2. Hydeolythbxjm. 



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, Tribe II. Ziythrece. Trees ox shmhs. Calyx herbaceous or coriaceous. 

 ^^ds often large wrinkled. 



, Calyx curved, flowers seeund. 



Stamens declinate 3. Woodfobdia. 



V -1 Calt/x straight, Jloivers symmetric. 



flowers 6-fid. Capsule circumsciss 4. Pemphh. 



'lowers 4-fid. Capsule irregularlj breaking up 5. Lawsonia. 



fjowers minute subunisexual. Capsule 2-valved 6. CErPTEEONiA. 



£, overs 6-fid. Capsule 3-6-valved. Seeds winged .... 7. Lagerste(emia. 



'lowers 4-8-fid.' Capsule 4-8-valved. Seeds minute . . . 8. Duabanoa. 



°^^ subglobose, 10-15-ceIled, oo -seeded . 9- Sonneeatia. 



-^^omalous genera with inferior ovary. 



^^[yx-lobes' 5-7, thick. Stamens «. '. . '^ ^ V . iii'VlO. PnmcA. . 

 ^^Jx-lobesS, small, ^mamena 10 ..* . • • . ..,*.. .U- Axinawdba. 



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