9 



in number to that of tlie carpels. Herbs or undershrubs, rarely shrubs, with 

 alternate or opposite leaves and no stipules. 



Polyyonaveae. Perianth often coloured or variously swollen on the back. Stamens op- 

 posite to or alternating with the perianth-segments. Ovary (of 2 or 3 carpels) 1-celled, 

 with 2 or 3 styles or style-branches and only a single ovule. Embryo little curved, 

 lateral. Herbs and shrubs with alternate leaves, the stipules usually thin and 

 conspicuous, forming a sheath or ring rouud the stem. 



Nt/ctagineae. Lower portion of the perianth persistent and enclosing the ovary and fruit, 

 the upper portion deciduous and withering. Stamens inserted on the torus. Ovary 

 1-celled with a single ovule and a single style. Trees, shrubs, or herbs, with usually 

 opposite leaves. Stipules none. 



* * Embryo straight. 



Moniminceae. Perianth-lobes in 2 or more rows. Stamens opposite the . perianth-lobes 

 or indefinite. Carpels usually several. Embryo very small, in a fleshy albumen. 

 Trees or shrubs with opposite leaves. 



Laurineae. Flowers hermaphrodite. Perianth-segments usually in 2 rows. Stamens 

 opposite the perianth-segments ; anther-cells opening in deciduous valves. Carpel 

 solitary. Fruit succulent. Albumen none. Radicle superior. Trees or shrubs 

 with alternate or rarely opposite leaves or (in Cuscuta) a leafless parasitic twiner. 



Protenceae. Flowers hermaphrodite ; perianth-segments 4, valvate. Stamens opposite 

 the perianth-segments and inserted on them. Carpel solitary. Albumen none. 

 Radicle inferior. Trees or shrubs with alternate or rarely opposite leaves. 



Loranthaceae. Flowers hermaphrodite. Perianth often brightly coloured, of 4 to 6 or 

 rarely more valvate segments. Stamens as many as perianth-segments and opposite 

 and adnate to the same. Carpel solitary with a single erect or suspended ovule. 

 Albumen green, fleshy. Parasitical shrubs. 



Santalaccae. Flowers hermaphrodite. Perianth wholly or partially superior, the lobes 

 valvate. Stamens opposite the lobes. Ovary 1-celled, with 1 to 5 ovules suspended 

 from a central placenta. Albumen fleshy. Trees, shrubs, or herbs, often parasitic, 

 with alternate or opposite leaves. 



Elaeagnaceae. Flowers hermaphrodite. Perianth 2-or 4-lobed, contracted beyond the 

 otherwise free ovary. Style 1 ; ovule 1, erect. Albumen fleshy. Trees or shrubs, 

 often scandent, and covered with silvery or rusty scales. 



Thymelacaccae. Flowers hermaphrodite. Perianth-lobes imbricate. Stamens as many 

 or twice as many, inserted in the tube. Ovary 1-or 2-celled, with a solitary pendu- 

 lous ovule in each cell. Style 1 or 2. Albumen none. Trees or shrubs with a peculiar 

 strino-y bark and alternate or opposite leaves. 



Ar-istolochieae. Flowers hermaphrodite. Perianth superior, valvate. Ovary 3-celled 

 with several ovules in each cell. Herbs or shrubs, often climbing, with alternate 

 leaves. 



Myridicaceae. Flowers dioecious. Perianth-lobes in a single series, valvate in bud. 

 Stamens united in a central column. Carpel solitary. Embryo very small, at the 

 base of a ruminate albumen. Trees or rarely shrubs with alternate leaves. 



Cyliruiceac. Flowers hermaphrodite or dioecious. Perianth o-parted, valvate. Anthers 

 opening by pores. Ovules numerous, on parietal placentas. Stemless sessile fleshy 

 flowers, parasitic. 



Bdlaiiophoreae. Flowers dioecious, rarely monoecious. Perianth valvate. Stamens 

 in a column or more or less free. Ovules solitary, suspended. Fruit one-seeded. Fun- 

 gus-like fleshy parasites, the peduncles scaly, the flowers in spikes or heads. 



Nepentliaceae. Flowers dioecious. Perianth 4-parted, imbricate in bud. Stamens 

 in a column. Ovary 4-celled, with numerous ascseuding ovules along tiie 

 sides of the dissepiments. Stigma sessile, simple. Fruit capsular, with numerous 

 scobiform minute seeds. Undershrubs, more or less twining, with alternate leaves, 

 the dilated foliaceous petiole terminating in a pitcher-like expansion furnished with 

 an articulate lid-like lamina. 



Eiiplwrhiaceae. Flowers unisexual. Perianth calyx-like or often consisting of true 

 corolla and calyx. Ovary of 3, rarely 2 or more than 3, united carpels, with 1 or 2 

 suspended ovules, and usually separating into cocci. Seeds usually albuminous. 

 Naturally allied to none of the monochlamydeous orders. Trees shrtibs or herbs with 

 alternate or opposite leaves. 



Piperaceae. Flowers hermaphrodite or unisexual, in spikes or racemes. Perianth none. 

 Stamens 1 to 3, free from the ovary. Ovule 1, erect. Jointed herbs or shrubs, 

 often climbing or scrambling, with alternate or opposite leaves. 



Chloranf/taceac.^As former, but stamens epigynous and the ovule suspended. Erect 

 undershrubs or herbs with opposite or alternate leaves. 



