ANALYSIS OF THE ORDERS 133 
6. Stamens on the torus or on the hypogynous (§ 83) petals... 63. 
6. Stamens and petals on the calyx tube (perigynous, § 83).. .68, 
7. Ovaries simple, distinct or one only. Vines or erect shrubs....69. 
7. Ovary compound....8.- 
8. Ovary inferior,—wholly adherent to the calyx....70. 
S$. Ovary superior,—free from the calyx, or nearly free....9. 
9. Stamens opposite to the petals, and of the same number....72. 
9. Stamens alternate with the petals, or of a different number....10 
10. Leaves opposite on the stem... .73. 
10. Leaves alternate, compound....76- 
10. Leaves alternate, simple ...78. 
11, Stamens 3 times as many as the petals, or more... .47. 
11, Stamens 1 or 2 times as many as the petals, or fewer....12 
12. Pistils distinct and simple, few or one only....48. 
12. Pistils united into a compound ovary....13. 
13. Ovary free from the calyx. ..14. 
18. Ovary adherent to the calyx. ..49. 
14, Stameus opposite to the petals, and of the same number....51. 
14, Stamens alternate with the petals, or of a greater number... .52. 
15. Flowers regular or nearly so. Fruit never a legume....17. 
15, Flowers irregular (rarely regular), aud the fruit alegume.. 16 
16. Stamens 3 or more times as many as the petals... .42. 
16. Stamens few and definite, 5-12....48. 
17. Stamens numerous, 3 or more times as many as the petals....21, 
17. Stamens few and definite....18. 
18. Ovary free from the calyx,—superior... 19. 
18. Ovary adherent to the calyx,—inferior....39. 
19. Pistils one or indefinite (1-15), distinct, simple.. .80. 
19. Pistils definite in namber, as follows, viz.....20. : 
20. Carpels (or pistils) 2, united, the short styles combined into 1....81 
20. Carpels 3 or +, united, the styles or stigmas 3, or 4, or 6....32. 
20. Carpels 5, distinct or united, with 5 distinct styles... .37. 
20. Carpels 5, united, and the styles combined intol. .38. 
21, Stamens on the torus (hypogynons)....22. 
21, Stamens situated on the corolla at base....27. 
21. Stamens situated on the calyx at the base....28. 
22. Pistils few or many, distinct (at least as to the stvies)... 23. 
22. Pistils (and styles also, if any) completely united... .24. 
23. Petals 5 or more, deciduous. Leaves not peltate. Order of the * Crowfoots. 1 
93. Petals 3, persistent and withering. Floating leaves peltate, Wuter-shields. 7 
23. Petals many, deciduous. Leaves all peltate. * [Fater-beans. 8 
94, Sepals 2 only....26. 
24, Sepals 4, 5, or 6, mostiy 5 ...25 
