DICOTYLEDONES 227 



Order 51. Menispermaceae. 



52. Berberidaceee. 



53. Nymphaeacese. 



Cohort 2. — Parietales. 



Character s.— Flowers with calyx and corolla, sepals free, 

 petals free, stamens definite or x , pistil syncarpons ; ovary with 

 parietal placentation. 



Order 54. Sarraceniaceae. 



5d. Papaveracese. 



56. Fumariacese. 



57. Cruciferse. 



58. Capparidaceae. 



59. Eesedaceae. 



60. Cistaceae. 



61. Violaceae. 



62. Sauvagesiaceae. 



63. Canellaceae. 



64. Bixaceae. 



Cohort 3. — Pohjgales. 



Character s. — Gynoeciiim syncarpous ; ovary usually 2 — 3- 

 celled ; placentation generally axile, or very rarely parietal. 

 Order 65. Pittosporaceae. 



66. Treniandraceae. 



67. Polygalaceae. 



68. Vochysiacese. 



Cohort 4:.— Caryojyhijllales. 



Characters. — G^Ticeciuni s^-ncarpous ; ovary ultimately 

 1-celled, with fi^ee-central placentation, or very rarely parietal. 

 Order 69. Caryophyllaceae, 



70. Paronychiaceae. 



71. Portulacaceae. 



72. Tamaricaceae. 



73. Reaumuriaceae. 



Cohort 5. — Giittiferales. 



Character s. — Gynoecium syncarpous ; ovary 1 — many, 

 celled, placentation usually axile. 



Order 74. Elatinaceae. 

 75. Hypericaceae. 



q2 



