87] Allgemeine Systematik. 325 



Styles distinct. 



Calyx or calyx and corolla present: 

 ovule solitary in each carpel 

 suspended. Fam. 10. Hamamelidaceae. 



Calyx and corolla wanting: 

 ovules several or numerous in 

 each carpel, horizontal. 



Fam. 11. AlUvgiaceae. 

 Fruit a 1-celled berrj. 



Hypanthium not produced beyond the 

 top of the ovary, flower-clusters 

 borne on the leafblades. 



Fam. 12. Pliyllonomaceae. 

 Hypanthium pi'od'uced beyond the top 

 of the ovary; flowers axillary. 



Fam. 13. Grossulariaceae. 

 2. Endosperm wanting of scant: stipules mostly present. 

 Flowers monoecious, in dense capitate Clusters. 



Fam. 14. Plafanaceae. 

 Flowers perfect, or if monoecious or dioecioas, not 

 in capitate Clusters. 

 Seed with a fimbriate or rugose aril. 



Oarpels bearing several or many ovules: le- 



aves with simple blades. Fam. 16, Crossosomataceae. 

 Carpels bearing 1 or 2 ovules: leaves with 



Compound blades. Fam. 16. Connaraceae. 



Seed without an aril. 



Carpels several or numerous, or if solitary 

 becoming an achene. 

 Carpels distinct, rarely adnate to the hypan- 

 thium: fruit achenes, follicles or dru- 

 l^elets. 

 Sepals and petals nuinerous: leaves oppo- 



site. Fam. 17. Calycanthaceae. 



Sepals and petals 6 or fewer' or petals 

 rarely wanting: leaves mostly alter- 

 nate. Fam. 18. Rnsaceae. 



Carpels united, enclosed by the hypanthium 



and adnate to it: fruit a pome. Fam. 19. Malaceae- 

 Carpel solitary, not becoming an achene. 



Ovary bearing 2 ovules: leaf-blades sim- 

 ple: fruit a drupe. Fam. 20. Ämygdalaceae. 

 Ovary bearing several ovules: leaf-blades 

 2 — 3 pinnate: fruit a legume. 

 Petals valvate in the bud. Fam. 21. Mimosaceae. 

 Pepals imbricate in the bud. Genera in 



Fam. 23. Caesalpiniaceae. 

 Flowers irregulär (mainly zygomorphic). 



Upper petal enclosed by the lateral ones in the bud: 

 corolla not papilionaceous. 



