DICHOTOMOUS ANALYSIS. 193 



20. Herbaceous plants 21 



Trees or shrubs Jfiignoliacece, 2 



21. Leaves peltate 22 



Leaves not peltate Ranunculacece, 1 



32. Ovaries imbedded in a fleshy disk 'cece, 8 



Ovaries not imbedded in a fleshy di.sk Cdbomb<ice<jc,, 7 



23. Fruit 1 -celled Papaceracew, 11 



Fruit more than 1-celled .' 24 



24. Herbaceous plants Sarraceniacece, 10 



Trees or shrubs Ternslranniacem, 32 



25. Ovary more or less inferior 26 



Ovary superior 38 



26. Leaves with stipules 27 



Leaves without stipules 29 



27. Leaves opposite Rhizophoracece,, 4S 



Leaves alternate 28 



25. Fruit 3-celled, or drupaceous Rhamn<icecc, 42 



Fruit a ligneous, 2-celled capsule Humamelacece, 60 



29. Placenta? parietal 30 



Placentas central 31 



30. Flowers monoecious Cucurbitacece, 54 



Flowers perfect Gro&sulacece, 55 



31. Flowers in umbels Umbelliferce, 61 



Flowers not in umbels 32 



82. Carpels separating at tbe apex Saxifragacece, 59 



Carpels wholly united 33 



33. Calvx 5-cleft, or 5-leaved 84 



Calyx 4-cleft, or 4-leaved 36 



34. Leaves compound Araliaeece, 62 



Leaves simple 35 



35. Stamens opposite the petals Rhamnacea, 42 



Stamens alternate with the petals Saxifragaceoc, 59 



36. Stems herbaceous 37 



Stems woody, stamens 4 Cornacce, 63 



Stems woody, stamens 5 — 12 Styracece, 73 



37. Pollen triangular OnagracecR, 50 



Pollen not triangular Jfelaxtvmncece, 46 



3S. Leaves with stipules 39 



Leaves without stipules 56 



39. Carpels distinct or solitary 40 



Carpels united 42 



40. Stamens diadelphous or monadelphous LeguminosCB, 43 



Stamens not united 41 



41. Stamens opposite the petals Be.rberidncece, 6 



Btamens alternate with the petals, or numerous RotacecB, 44 



42. Placental parietal 43 



Piacentaj central 45 



43. Flowers with a filamentous crown Passijloracece, 53 



Flowers without a filamentous crown 44 



44. Flowers regular Droseracecc, 17 



Flowers irregular Violacece, 16 



4o. Styles distinct at the base 46 



Styles more or less united 49 



46. Flowers moncecious Euphorbiacecv, 1 06 



Flowers perfect 47 



47. Carpels 2. separating at the apex Suxifragacece, 59 



Carpels united 43 



43. Leaves alternate, with ochrcie Polygonacece, 102 



Leaves opposite, connected by stipular membrane lUeesbraci 



U 



