50 NATURAL OEDfiES. 



XXXV. Aralia family. Leaves alternate. Fruit succulent. Carpels often 

 more than two, and not separating. 



XXXVI. Mistletoe family. Parasites. Stamens on, or opposite to the 

 petals. Leaves usually opposite. Ovary one-celled. 



XXXVIL Cornel family. Leaves usually opposite. Stamens alternate 

 with the petals. Style one. 



Subclass 3. Monopetals. — Petals united (at least at the base) into a 

 single corolla. 



§ 1. Corolla epigynows, hearing the stamens. 



XXXVIII. Honeysuckle family. Leaves opposite. No stipules. Ovary 

 2- or more celled. 



XXXIX. Stellate tribe (of the Madder family). Stipules like the leaves 

 in appearance, and forming whorls with them round the stem. Ovary 2- 

 celled, with one seed in each cell. 



XL. Valerian family. Stamens fewer than the lobes of the corolla. Ovary 

 and fruit one-seeded. 



XLI. Teasel family. Florets in compact heads or spikes. Stamens ' 

 isomerous. Af.thers free. Ovary and fruit one-seeded. 



XLII. Composite family. Florets in compact heads. Stamens isomerous. 

 Anthers united in a ring round the style. Ovary and fruit one-seeded. 



§ 2. Stamens free from the corolla. 



XLIII. Campanula family. Herbs. Stamens as many as the coroUa- 

 k>bes. Anthers opening longitudinally. 



XLIV. Heath family. Shrubs. Stamens usually twice as many as the 

 coroUa-lobes. Anthers opening in pores or cross valves. 



§ 3. Corolla hypogynous, hearing the stamens. 

 * Placenta free central. 

 XLV. Primrose fiimily. Stamens isomerous and opposite the coroUa- 

 lobes. 



XLVI. Pinguicula family. Corolla very irregular. Stamens fewer than 

 he lobes a nd alternate with them. 



** Placentas parietal, or in the axial angle of the cells, 

 a. Corolla regular, or nearly so. 



XLVII. Holly family. Trees or shrubs, flowers small. Ovary 4- or 

 more celled, with one orule in each cell. 



XLVIII. Jessamine family. Trees or shrubs. Stamens 2, alternating 

 i th the 2 ovary-ceUs, and having no constant relation to the corolla- 

 wbes. 



XLIX. Periwinkle family. Corolla contorted. Stamens isomerous. Ovary 

 of 2 carpels, usually distinct, whilst the styles are united at the top. 



L. Gentian family. Bitter plants. Corolla contorted. Stamens isome- 

 rous. Placentas parietal, rarely meeting in the axis. 



LI. Polemonium family. Corolla contorted. Stamens isomerous. Ovary 

 3-celled, with several seeds. 



LI I. Convolvulus family. Corolla plaited. Stamens isomerous. Ovary 

 2- or 3-celled, with 2 (rarely 1) ovule in each, often separated by an ad- 

 ditional false partition. 



LIII. Borage family. Stamens isomerous. Ovary 2- or 4-lobed, with 

 one ovule in each lobe. 



