DICIIOTOMOUS A^^ALYS1S. 193 



20. ricrbaceous plants 21 



Trees or shrubs Cctlycantkacece, 45. Mag noli acecB, 2 



21 Leaves peltate 22 



Leaves not peltate Jianunculacece, 1 



22. Ovaries imbedded in a fleshy disk NelumbiaceCB, 8 



Ovaries not imbedded in a fleshy disk Cabombacece, 7 



23. Fruit 1-celled Cistacece, 18. Hypericacece., 19. Papaveracece, 11 



Fruit more than 1-celled ^ymphceaceoi, 9 24 



24. Herbaceous plants Uypericaceoe, 19. Sarraceniacecz, 10 



Trees or shrubs Ternsiroamiacece, 32 



25. Ovary more or less inferior , 26 



Ovary superior 38 



26. Leaves with stipules 27 



Leaves without stipules 29 



27. Leaves opposite Rhizophoracece, 48 



Leaves alternate 28 



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



Fruit a ligneous, 2-cellod capsule IlamamelacecB^ 60 



29. PlacentfP parietal 30 



Placentae central 31 



30. Flowers monoecious Loranthacecv^ 64. Cucurhitacem, 54 



Flowers perfect Grossulucece, 55 



81. Flowers in umbels Umbelli/ercB, 61 



Flowers not in umbels 32 



82. Carpels separatintr at the apex Saxifragacece, 59 



Carpels wholly united 33 



83. Calvx 5-cleft, or 5-leaved 34 



Calyx 4-cleft, or 4-leaved 36 



34. Leaves compound Araliacece, 62 



Leaves simple 35 



35. Stamens opposite the petals RhamnacecB, 42 



Stamens alternate with the petals SaxifrogacecCy 59 



36. Stems herbaceous 37 



Stems woody, stamens 4 Cornaiiece., 63 



Stems woody, stamens 5—12 Styracece, 73 



37. Pollen triangular Onagrto'ece, 50 



Pollen not triangular Jlela-stonuiceiv, 46 



38. Leaves with stipules 39 



Leaves without stipules 56 



39. Carpels distinct or solitary 40 



Carpels united 42 



40. Stamens diadelphous or raonadelphons LeguminoscB. 43 



Stamens not united Leguyninosm, 43 41 



41. Stamens opposite the petals BerbeHihicea, 6 



Stamens alternate with the petals, or numerous Rosacece, 44 



42. I'lacentaj parietal 43 



Piacentie central 45 



43. Flowers with a filamentous crown Passijloracecp, bS 



Flowers without a filamentous crown 4t 



44. Flowers regular Dro-teracfia; 17 



Flowers irregular Violaceiv, 16 



45. Styles distinct at the base 46 



Styles more or less united 49 



46. Flowers monoecious XupJiorbiacece, 103 



Flowers perfect ■*' 



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



Carpels un ited Oxalidacecp, 26. ^ 



48. Leaves alternate, with ochrcfe Polygonacea, 102 



Leaves opposite, connected by siipiilar membrane Illfccbracea; 20 







