NATURAL ORDERS, lxxi 



XXIY. Peaflower tribe (of the Leguminous family). Flowers very irregular, 

 papilionaceous. Stamens 10, all, or 9 of them, combined. Ovary of one 

 carpel. 



XXV. Hose family. Flowers regular. Stamens indefinite. Ovary (at least 

 when young) apocarpous. 



XXVI. (Enothera family. Perianth in twos or fours. Stamens definite. 

 Ovary inferior. One style. 



XXVII. Ly thrum family. Stamens usually definite, inserted with the 

 petals at the top of the calyx-tube. Ovary syncarpous within the base of the 

 tube. One style. Lower leaves opposite. 



XXVIII. Grourd family. Climbers with tendrils. Flowers unisexual. 

 Ovary inferior. 



XXIX. Crassula family. Leaves succulent. Sepals, petals, stamens of one 

 or two rows, and free carpels, all isomerous. 



XXX. Kibes genus or family. Shrubs. Flowers regular. Stamens definite. 

 Ovary inferior. Placentas parietal. One style. 



XXXI. Saxifrage family. Flowers regular. Stamens definite. Ovary syn- 

 carpous at the base, but a separate style for each carpel. 



* # Petals and stamens epigynous (round an epigynous disF), 



XXXII. Umbellate family. Leaves alternate. Fruit dry, separating from 

 the axis into seed-like carpels. 



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

 more than two, and not separating. 



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

 petals. Leaves usually opposite. Ovary one-celled. 



XXXV. Cornel family. Leaves usually opposite. Stamens alternate with 

 the petals. Style one. 



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

 corolla. 



§ 1. Corolla epigynous, bearing the stamens. 



XXXVI. Honeysuckle family. Leaves opposite. No stipules. Ovary 2- 

 or more celled. 



XXXVII. 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. 



XXXVIII. Valerian family. Stamens fewer than the lobes of the corolla. 

 Ovary and fruit one-seeded. 



XXXIX. Teasel family. Florets in compact heads or spikes. Stamens iso- 

 merous. Anthers free. Ovary and fruit 1-seeded. 



XL. 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. 



XLI. (Vol. II.) Campanula family. Herbs. Stamens as many as the corolla- 

 lobes. Anthers opening longitudinally. 



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

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



§ 3. Corolla hypogynous, bearing the stamens. 



* Placenta free central. 



XLIII. Primrose family. Stamens isomerous and opposite the corolla- 

 lobes. 



