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SYNOPSIS OF THE GENERA. 



Order III. Polygynia. — Many Pisiils. 

 Calyx five to ten-cleft, the segments equal. 



8. Ro'SA, [Page 699.] Calyx urn-shaped, limb of five seg- 



ments, tube fleshy, the apex constricted into a ring or 

 glandular disk. Petals five, and with the stamens inserted 

 before the disk. Carpels numerous, bristly, inclosed in 

 the calyx tube. 



9. Ru'bus, [Page 719.] Calyx five-cleft, persistent. Petals 



five. Carpels numerous, drupacous, single seeded, in- 

 • serted in a bemisphoarical or conical fleshy receptacle. 



10. Dry'as, [Page 732.] Calyx eight to ten-cleft, persistent. 



Petals five to eight. Carpels numerous, persistent, in- 

 serted into a dry cellular receptacle. Styles lateral, simple, 

 with feathery stigmas, 

 *^ Calyx eight to ten-cleft, the segments alternately smaller. 



11. Ge'um, [Page 733.] Calyx ten-cleft, five outer alternate 



segments smaller, patent. Petals five. Carpels nume- 

 rous, smooth or hairy, inserted into a dry elongated 

 receptacle, and terminated by the elongated style, hooked 

 at the extremity, and jointed about the middle. 



12. Fraga'ria, [Page 735.] Calyx ten-cleft, five outer alter- 



nate segments smaller, patent. Petals five. Carpels 

 numerous, small, inserted into a fleshy succulent recep- 

 tacle. Styles lateral, deciduous. 



13. Co'marum, [Page 737.] Calyx ten-cleft, five outer alter- 



nate segments smaller, patent. Petals five. Carpels 

 numerous, small, inserted into a large dry spongy recep- 

 tacle. Styles lateral, deciduous. 



14. Potentil'la, [Page 738.] Calyx eight or ten-cleft, the 



four or five outer alternate segments smaller. Petals four 

 or five. Carpels numerous, small, inserted into a small 

 dry receptacle. 



Class 13. Polyandria. — Many Stamens, inserted 

 upon the receptacle. 



Order I. MoNOorNiA. — 1 Pistil. 

 * Corolla of four petals. 

 1. Papa'ver, [Page 747.] Ca/yx of two caducous pieces. Petals 

 four. Sligvia sessile, radiated, with from four to twenty 



