308 LI. ROSACES. (J, D. Hooker.) 



Calyx bracteolate. Stamens many. Styles elongated after 



flowering . . ........ 9. GETJM. 



Calyx bracteolate. Stamens many. Styles not elongating. 



Ripe carpels seated on a fleshy receptacle .... 10. FBAGAUIA. 

 Calyx bracteolate. Stamens 4 or more. Styles not elongating. 



Ripe carpels seated on an elevated dry receptacle . . 11. POJKXTIIXA. 

 Calyx ebracteolate. Stamens 5. Styles not elongating. Ripe 



carpels seated on the base of the calyx . . . .12. CHAJLKRHODOS. 



B. Carpels adnate to the tube of the calyx, or, if free, included wholly 

 within it. 



TRIBE VI. Poterieae. Flmvers regular, sometimes apetalous. Calyxr 

 tube often urceolate. Stamens 1 or more. Carpels 1-3 : style terminal ; ovule 

 1. Achene sunk in the calyx-tube. Herbs or small shrubs. 



Calyx 4-6-bracteolate, or 8-10-1 2-fid. Petals 0. Carpel 1; 



ovule ascending ..... . . . .13. ALCHEMILLA. 



Calyx 5-lobed or spinous. Petals 5. Carpels 2-3 ; ovule pen 



dulous . , . c ...... 14. AORIMONIA. 



Calyx 5-lobed, ebracteolate. Petals 5. Carpels 1-3 ; ovule 



pendulous . ......... 15. POTERITJM. 



TRIBE VII. Roseae. Flowers regular. Calyx-tube urceolate. Petals 5. 

 f*tamens very numerous. Carpels many, free; ovule 1, pendulous. Achenes 

 included in the fleshy calyx-tube. Shrubs, leaves compound. 



16. ROSA. 



TRIBE VIII. Neuradeae. Flowers regular. Calyx-tube enlarged after 

 flowering and becoming confluent with the carpels. Stamens 10. Carpels 5-10 r 

 free, or connate into a 5-10-valved fruit ; ovule 1, pendulous. Herbs. 



17 



TRIBE IX. Flowers regular. Calyx-tube (or top of the peduncle) becoming 

 fleshy after flowering and enclosing the carpels. Stamens numerous. Ovules 2 or 

 more, ascending. Fruit a pome, berry, or a drupe, with the 2-5 bony or coria- 

 ceous 1-2-seeded stones. Shrubs or trees. 



* Ovary 5-celled ; cells 3- or more -ovuled. 



Cells of ovary many-ovuled . . ..... 17.*CYDONiA. 



Cells of ovary 3-ovuled ........ 18. DOCYNTA. 



* Ovary 2-5-celled : cells 2-ovuled. 



Flowers panioled. Ovary 5-celled . . ^ . .19. ERTOBOTRYA. 



Flowers corymbose or fascicled. 



Ovary 5-celled. Fruit a pome or berry . . . .20. PYRVS. 

 Ovary 2-3-celled. Fruit 2-3-celled, endocarp thin ; testa 



coriaceous ......... 21. PHOTINIA. 



Ovary 2-3-celled. Fruit 2-3-celled, endocarp thin; testa 



thick reticulately lacunose . . . . . .22. POTTRTHIJEA. 



Ovary 5-celled. Drupe with 5 dehiscent stones . . 23. STBAITVTESIA. 



Ovary 2-5-celled. Drupe with 1-5 bony stones. Leaves 



cut toothed or serrate ....... 24. CRAT^EGITS. 



Ovary 2-5-celled. Drupe with 2-5 bony stones. Leaves 



quite ^entire 25. COTONEASTEU. 



, Juss. 



Trees. Leaves simple, alternate, evergreen, quite entire. Flmvers herma- 

 phrodite, in corymbose racemes, 2- bracteolate, white or pink. Calyx-tube 

 oblong campauulate turbinate or funnel-shaped ; lobes 5, subequal, imbricate. 



