DICOTYLEDONES 227 



Order 51. Menispermacese. 



52. Berberidaoeae. 



53. Nymphaeacese. 



Cohort 2. — Parietales. 

 Characters. — Mowers with calyx and corolla, sepals free, 

 petals free, stamens definite or oo , pistil syncarpous ; ovary with 

 parietal placentation. 



Order 54. Sarraceniaceae. 



55. PapaveracesB. 



56. Fumariaceic. 



57. Cruciferse. 



58. Capparidacese. 



59. Besedaceae. 



60. Cistaoese. 



61. Violacese. 



62. Sauvagesiaceae. 



63. Canellaceee. 



64. Bixacese. 



Cohort 3. — Polygales. 

 Characters. — Gynoecium syncarpous; ovary usually 2 — -'S- 

 celled ; placentation generally axile, or very rarely parietal. 

 Order 65. Pittosporaceae. 



66. Tremandraceae. 



67. Polygalaceae. 



68. Vochysiacese. 



Cohort 4.— Caryophyllales. 

 Characters. — Gyncecium syncarpous; ovary ultimately 

 1-oelled, with free-central placentation, or very rarely parietal. 

 Order 69. Caryophyllacese. 



70. Paronychiaceae. 



71. Portulacaceae. 



72. Tamaricaceae. 



73. Beaumuriaceae. 



Cohort 5. — Outtiferales. 

 Characters. — Gynoecium syncarpous; ovary 1 — many, 

 celled, placentation usually axile. 



Order 74. Elatinaceae. 

 75. Hyperioaceae. 



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