NATURAL ORDERS. Ixxvli 
XXXIJ. Ribesiaceze. -Shrubs. Flowers regular. Stamens: definite. 
Ovary inferior. Placentas parietal. One style. 
XXXII. Saxifragacee. Flowers regular, Stamens definite. Ovary 
syncarpous at the base, but a separate style for each carpel. 
XXXIII. Droseracezee, Herbs with radical leaves covered with long, 
glandular hairs. Flowers regular. Stamens definite. Placentas parietal. 
Styles distinct. 
XXXIV. Halorages. Aquatic herts with very small flowers, Calyx- 
lobes and petals 4, 2 or none. Stamens definite. Ovary inferior, Styles 
or stigmas distinct. 
** Petals and stamens epigynous (round an epigynous disk). 
XXXV. Umbelliferee. Leaves alternate. Fruit dry, separating from 
the axis into seed-like carpels. 
XXXVI. Araliacezee. Leaves alternate. Fruit succulent. Carpels often 
more than two, and not separating. 
XXXVIJ. Loranthacez, Parasites. Stamens on, or opposite to the 
petals. Leaves usually opposite. Ovary one-celled. 
XXXVIII. Cornaceze. Leaves usually opposite. Stamens alternate 
with the petals. Style one. 
Subclass 3. MonoprtTate.—Petals united (at least at the base) into a 
single corolla, 3 
§ 1. Corolla epigynous, bearing the stamens. 
XXXIX. Caprifoliaceze. Leaves opposite. No stipules. Ovary 2- or 
more-celled. i 
XL. Stellate (a tribe of Rubiacez). Stipules like the leaves in appear- 
ance, and forming whorls with them round the stem. Ovary 2-celled with 
one seed in each cell. | 
XLI. Valerianeee. Stamens fewer than the lobes of the corolla. Ovary 
and fruit one-seeded. 
XLII. Dipsacez. Florets in compact heads or spikes. Stamens iso- 
merous. Anthers free. Ovary and fruit one-seeded. 
XLIII. Composite. 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. 
XLIV. Campanulacee. Herbs. Stamens as many as the corolla-lobes. 
Anthers opening longitudinally. 
XLV. Ericacezee. 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. 
XLVI. Primulacee. Stamens isomerous and opposite the corolla- 
lobes, J 
