DICHOTOMOUS ANALYSIS. 193 



20. Herbaceous plants < 21 



Trees or shrubs Calycanthacece, 45. Magnoliacea, 2 



21 Leaves peltate M 



Leaves not peltate Ranuneulacece, 1 



22. Ovaries imbedded in a fleshy disk Nelumhiaceas, 8 



Ovaries not imbedded in a fleshy disk Cabombacece, 7 



23. Fruit 1-celled Cistacea, IS. HypericacecB, 19. Papavcracece, 11 



Fruit more than 1-celled Nympho&ace<», 9 24 



24. Herbaceous plants Hypericacece, 19. Sarraceniacece, 10 



Trees or shrubs Ternstrwmiacece, 82 



25. Ovary more or less inferior 28 



Ovary superior 88 



26. Leaves with stipules 27 



Leaves without stipules 29 



27. Leaves opposite Rhizophoraceoe, 48 



Leaves alternate 28 



28. Fruit 3-celled, or drupaceous Rhamnacece, 42 



- Fruit a ligneous, 2-celled capsule Bamamelacece, 60 



29. Placenta? parietal 80 



Placentae central 81 



80. Flowers monoecious Loranthacece, 64. Cticurbitacece, 54 



Flowers perfect Grossulacece, 55 



81. Flowers in umbels Umbelliferw, 61 



Flowers not in umbels 32 



82. Carpels separating at the apex Saxifragacem, 59 



Carpels wholly united 83 



83. Cal vx 5-cleft, or 5-leaved 84 



Calyx 4-cleft, or 4-Ieaved 36 



34. Leaves compound Araliacece, 62 



Leaves simple 35 



35. Stamens opposite the petals Rhamnacece, 42 



Stamens alternate with the petals Saxi/ragacece, 59 



36. Stems herbaceous 87 



Stems woody, stamens 4 Comacem, 63 



Stems woody, stamens 5—12 Stytacece, 73 



37. Pollen triangular Onagracece, 50 



Pollen not triangular 3felattomacece, 46 



88. Leaves with stipules 89 



Leaves without stipules 56 



39. Carpels distinct or solitary 40 



Carpels united 42 



40. Stamens diadelphous or monadelphous Leguminosa, 43 



Stamens not united Leguminosw, 43. 41 



41. S'amens opposite the petals Berbe'-idaceou, 6 



Stamens alternate with the petals, or numerous Romcece, 44 



42. Placentas parietal 43 



Placenta central 45 



43. Flowers with a filamentous crown Passifloracem, 53 



Flowers without a filamentous crown 44 



44. Flowers regular Droseracece, 17 



Flowers irregular Violacece, 16 



45. Styles distinct at the base 46 



Styles more or less united 49 



46. Flowers monoecious Euphorbiaceac, 108 



Flowers perfect , 47 



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



Carpels an ited Oxalidacem, 26. 1 48 



48. Leaves aJternate, with ochrese Polygonacea, 102 



Leaves opposite, connected by stipular membrane iiiecebnicea, 20 



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