43. SAXIFRAGAOEiE. 1 



43. Saxifragaceae. 



Conspectus of tJie Formosan Genera. 



( 1 ) Herbs (Sasif ragese). (2) 

 Shrubs or trees. (4) 



leaves compound Astilbe. 1 



(2) Ovary 2-celled ^ 



leaves simple Saxifraga. 1* 



Ovary 1-celled. (3) 



( 3 ) Placentas parietal, alternate to the stigmas. (3*) 



Placentas parietal, opposite to the stigmas, scapes 1 -flowered, petals 



5, staminodes prominent Parnassia. 3 



(3*) Petals 5, pinnatifid, capsules not rostrate MiteUa. 2 



Petals 0. Capsules rostrate Chrysos^fienium. 2* 



( 4 ) Leaves opposite, exstipulate, simple. Stamens double the number 

 of petals or more numerous. Ovary inferior or half-superior. 

 (Hydrangese). (5) 



Leaves alternate. Stamens equalling the petals in number. Ovary 



inferior or half-superior (Escalloniese) Itea.. 9 



Leaves alternate, sim'ple. Ovary inferior, 1-celled. Seeds immersed 



in pulp (Kibesiese) Bihes. 10 



( 5 ) Filaments linear. (6) 



Filaments winged Deutzia. 7 



( 6 ) Stamens 8, 10 or 12. (7j 



Stamens indefinite. Petals 5, valvate. Styles 3, short. Leaves 



alternate Gardiandra. 8 



( 7 ) Petals coherent to a calyptra ; leaves persistent Pileostegia. 6 



Petals free, not connate. Leaves deciduous. (8) 



( 8 ) Styles 2-4, free or slightly connate at the base Hydrangea. 4 



Styles 1, stigma 4-9-lobed ScMzophragma. 5 



