370 American Midland Naturalist Monograph No. 7 



Order hyperigales 



Families : 

 19. Hypericaceae 20. Elatinaceae 



Order sarraceni.\les 



Family 2 1 . Sarraceniaceae 



Order malvales 

 Families: 

 22. Tiliaceae 23. Malvaceae 



Order carvophyllales 

 Families: 



24. Caryophyllaceae 26. Aizoaceae 



25. Portulacaceae 



Order chenopodiales 

 Families : 



27. Chenopodiaceae 30. Phytolaccaceae 



28. Amaranthaceae 31. Nyctaginaceae 



29. Illecebraceae 



Order polygonales 



Family 32. Polygonaceae 



Order piperales 



Family 33. Saururaceae 



Order geraniales 

 Families: 



34. Rutaceae 39. Limnanthaceae 



35. Simariibaceae 40. Zygophyllaceae 



36. Geraniaceae 41. Balsaminaceae 



37. Linaceae 42. Polygalaceae 



38. Oxalidaceae 



Order euphorbiales 



Family 43. Euphorbiaceae 



Order sapindales 

 Families: 



44. Celastraceae 48. Aquifoliaceae 



45. Sapindaceae 49. Anacardiaceae 



46. Staphyleaceae 50. Aceraceae 



47. Hippocastanaceae 



Order rhamnales 

 Families: 

 51. Rhamnaceae 52. Vitaceae 



Order rosales 



Family 53. Rosaceae 



