ANALYTICAL KEY. xlvii 



E. Regular syncarpom Poli/petaU, with definite perigynous or superior stamens. 

 Leaves alternate. 



CUmbera, with tendrils. 



Mowers hermaphrodite. Ovary stalked Passieioea, p. 123. 



Flowers unisexual. Ovary inferior Cuoubbitaceje, p. 123. 



Trees, shrubs, or herbs, without tendrils. 



Ovary 1-oeUed, at least at the base, with parietal pla- 

 centas, and more or less free at the top. 

 Flowers separate. Petals calyx-like or none . . . Samydace^, p. 121. 

 Flowers in compact heads resembling a single flower, 



the coloured petals all outside Ehodoleia, p. 131. 



Ovary 2- or more celled, whoUy inferior. 



Calyx-lobes conspicuous, valvate, 4 or rarely 5. 



Ovules numerous OlTAaKAOE^, p. 108. 



Ovules 1 in each cell Haloba&is, p. 139. 



Calyx-teeth minute or none. Ovules 1 in each cell. 



Petals 5, small. Ovary 2-celled. Fruit dry . . . UM:BELLn?i;E.a3, p. 133. 

 Petals 4 or 5; small. Ovary 2- or more celled. Fruit 



a berry Aealiaoe.e, p. 135. 



Petals 6 to 10, linear. Ovary 2-celled. Fruit a 1- 



seeded drupe Maelea, p. 138. 



Leaves opposite. 



Petals imbricate or contorted in the bud. 

 Ovules several. 

 Anthers small, opening longitudinally. 



Herb of 4 or 5 inches. Flowers 4-merou8 . . . Ammaniha, p. 111. 

 Shrub with heath-like dotted leaves. Flowers 5- 



merouB Ba;CKEA, p. 118. 



Anthers opening by 1 or 2 pores at the top . . . MELASTOMAOEiE, p. 112. 

 Ovules 2 in each cell. Beriy 1-seeded. Shrub or tree . Caeallia, p. 110. 



Ovules 1 in each cell. Herb Haioeaghs, p. 139. 



Petals valvate in the bud. 



Stamens alternate with the petals CoBNACEiE, p. 137. 



Stamens opposite or on the petals LoBANiHACEiE, p. 140. 



F. Irregular Foh/petaU. 



Flowers spurred. Anthers 5, united round the pistil. 



Sepals 5, herbaceous. Petals 5, spreading, one of them 



spurred Viola, p. 20. 



Sepals 2 outer ones, 1 larger inner one hooded and spurred. 



Petals 1 outer entire, 2 inner ones lobed iMPATlBlfS, p. 55. 



- Flowers not spurred. Stamens 10 or few ; anthers free, the 

 filaments often united. 

 Petals 3, small, erect. Stamens 8, in 2 clusters. Ovary 



1- or 2-ceUed, with 1 ovule in each cell ...... POLTaALAOEJi:, p. 43. 



Petals papiUonaceous or spreading. Stamens usually 10. 



Ovary 1-ceUed, with 2 or more ovules ...... LEeuMiNOSiB, p. 71. 



G-. Monopetals with an inferior ovary. 



Anthers united in a ring, round the style. 



Flowers compound, i.e. florets in compact heads, with a 



common involucre, without separate calyxes .... Composite;, p. 165. 

 Flowers distinct, irregular. 



Stamens 2, connate with the style Stthdium:, p. 195. 



Stamens 5, the filaments free CAMPAHtriACEiE, p. 195. 



