422 ARRANGEMENT OF THE GENERA. 



Stamens inserted with, the petals, and the same in number, or 

 twice as many. A scale at the base of each ovary. Ovaries equal 

 in number to the petals. One-celled, free, or slightly connected. 

 Fruit of several follicles opening along the inner side. 



1. Tillaea, 96, 109. 4. Sedum, 192, 205. 



2. Cotyledon, 192, 204. 5. Rhodiola, 367, 381. 



3. Sempervivum, 210, 212. 



Order XXXVI. GROSSULACE.E. 



Calyx four- or five-cleft, regular. Petals four or five, small, at- 

 tached to the mouth of the tube, and alternating with the stamens. 

 Ovary one-celled, with two opposite parietal placentas ; style two- 

 pr four-cleft. Berry one-celled, many-seeded. 



1. Ribes, 111,133. 



Order XXXVH. SAXIFRAGES. 



Calyx four- or five-cleft, superior or inferior. Petals four or five, 

 rarely none. Stamens from five to ten. Ovary of two coherent 

 carpels ; styles two, persistent. Capsule two-valved. Seeds 

 numerous. 



1. Saxifraga, 192, 195. 2. Chrysosplenium, 1 92, 195. 



Order XXXVIII. UMBELLIFER^;. 



Calyx adherent to the ovary, with five small teeth. Petals five, 

 usually inflexed at the point. Stamens five, inserted with the 

 petals on the mouth of the calyx. Ovary two-celled, crowned by 

 two fleshy disks ; styles two. Fruit of two carpels, adhering to a 

 common axis, from which they separate when ripe. Seeds soli- 

 tary, pendulous. 



HYDROCOTYLEJE. 19. Imperatoria, 113, 151. 



1. Hydrocotyle, 112, 141. 20. Pastinaca, 113, 156. 



SANICULE^E. PEUCEDANE.E. 



2. Sanicula, 112, 142. 21. Selinum, 112, 155. 



3. Eryngium, 112, 141. 22. Peucedanum, 112, 156. 



AMMINEJE. 23. Cnidium, 113, 154. 



4. Cicuta, 117,147. 24. Heracleum, 112, 156. 



5. Apium, 113, 150. 25. Pastinaca, 113, 156. 



6. Sison, 112, 147. 26. Tordylium, 113, 157. 



7. JGgopodium, 113, 151. DAUCINEJE. 



8. Carum, 114, 153. 27. Daucus, 112,. 145. 



9. Bunium, 112, 146. CAUCALINEJE. 



10. Pimpinella, 113, 154. 28. Caucalis, 112, 142. 



11. Sium, 112, 146. 29. Torilis, 113, 142. 



12. Bupleurum, 113, 155. SCANDICINEJE. 



SESELINE^. 30. Scandix, 113, 143. 



13. (Enanthe, 112, 149. 31. Anthriscus, 113, 143. 



14. ^thusa, 113, 148. 32. Chaerophyllum, 113,145. 



15. Ligusticum, 112, 152. 33. Myrrhis, 113, 144. 



16. Athamanta, 113, 153. SMYRNE/E. 



17. Crithmum, 113, 150. 34. Conium, 112, 148. 



ANGELICE*. 35. Smyrnium, 113, 150. 



-18. Angelica, 113, 151. 



