Calyx divided nearly to the base, rarely only to the middle, but then corolla with oblong, elliptical, or ovate segments. Corolla usually salver-shaped, with spreading segments. Stigmas obliquely truncate.--Species 45. Tropical and South Africa. Some yield an aromatic resin or are used in medicine. (Plate 59.) =Kalanchoë= Adans. 8. Stamens twice as many as the sepals or petals, 10, rarely 12.--Species 40. Some of them are used as ornamental or medicinal plants. (Including _Echeveria_ DC., _Mucizonia_ DC., _Pistorinia_ DC., and _Umbilicus_ DC.) =Cotyledon= L. Stamens as many as the sepals or petals, 5, rarely 6. Leaves opposite. 9 9. Calyx as long as the corolla-tube, bell-shaped, divided to about the middle. Corolla bell-shaped, yellow. Small, stiff, glaucous herbs.--Species 1. South Africa. =Grammanthes= DC. Calyx shorter than the corolla-tube, divided nearly or quite to the base. Corolla funnel-shaped. Thick, succulent herbs or undershrubs.--Species 4. South Africa. Used as ornamental plants. =Rochea= DC. FAMILY 96. SAXIFRAGACEAE Petals 4-5, free or united below. Stamens as many or twice as many as the petals, perigynous or epigynous. Anthers opening by two longitudinal slits. Ovary 1-7-celled. Ovules numerous, inverted. Seeds with copious albumen, rarely (Montinia) without albumen. Genera 11, species 25. (Including _GROSSULARIACEAE_.) (Plate 60.) 1. Stem herbaceous. Styles 2-5, free. [Subfamily =SAXIFRAGOIDEAE=.] 2 Stem woody, rarely (_Berenice_) herbaceous above, but then style simple. Leaves without stipules. Placentas parietal or septal. 3 2. Calyx with valvate aestivation. Stamens 5. Ovary inferior, 1-celled, with 2-3 placentas suspended from the apex of the cell. Leaves opposite, entire.--Species 4. Tropical and South Africa and Egypt. =Vahlia= Thunb. Calyx with imbricate aestivation. Stamens 8-10. Ovary 2-5-celled, with the placentas attached to the dissepiments.--Species 9. North Africa and Abyssinia. Some species are used as ornamental or medicinal plants. =Saxifraga= L. 3. Stamens 8-10. Ovary inferior or half-inferior, completely or incompletely 2-5-celled. Styles 2-5, free or united at the base. Corolla with valvate aestivation. Outer flowers of the inflorescence often barren with enlarged sepals. Leaves opposite.--Species 1 (_H. Hortensia_ DC.) Naturalized in several islands (Madeira, St. Helena, Réunion). An ornamental plant. [Subfamily =HYDRANGEOIDEAE=.] =Hydrangea= L. Stamens 4-5. Styles 1-2. 4 4. Ovary 1-celled, inferior. Style simple with 2 stigmas, or styles 2. Fruit a berry. Leaves alternate. Flowers hermaphrodite.--Species 2. North-west Africa (Algeria). One of them (_R. Grossularia_ L., gooseberry) yields edible fruit, from which also a drink is prepared. (Including _Grossularia_ A. Rich.) [Subfamily =RIBESOIDEAE=.] =Ribes= L. Ovary 2-7-celled, rarely 1-celled, but then leaves opposite and flowers unisexual. [Subfamily =ESCALLONIOIDEAE=.] 5