KEY TO PHANEIKXJAMS. 



Flowers not in anients, both calyx and 

 corolla wanting. 

 Flowers monoecious, in globose heads, trees . 55. 

 Flowers perfect, in slender spikes, herbs . 20. 



Flowers not in ainents ; calyx present, some- 

 times petaluid. 

 Trees or shriib.s. 



Ovary inferior 90. 



Ovary superior. 

 Style single, entire, fruit a samara . [)[). 



Style single, entire, fruit a drupe. 

 Anthers opening by valves . . . . 44. 

 Anthers opening lengthwise . . 85. 



Styles 2 or 2-cleft, fruit 1-celled ... 20. 

 Styles 2 or 2-cleft, fruit 2-celled . . . To. 

 Woody twining vines ; ovaries 3 . . . . 42. 

 Herbs. 



Ovary inferior, 4-celle(l 87. 



Ovary inferior, 6-celled oO. 



Ovary superior, 1-celled. 

 Stipules none. 



Stamens numerous 40. 



Stamens few ; Howers with scarious bract.s .■>•">. 

 Stamens few ; flowers without bracts o2. 



Stipules sheathing the joints .... ol. 

 Stipules not siieathing. 



Style single 28. 



Styles 2 27. 



Ovary superior, 3-celled (;8. 



Ovary superior, 5-celled ; fruit a capsule 5]_ 



Ovary sui»('rior,5-10-celled ; fruit a berry ;}4 



roi.VI'KT.VLOl'S DIVISION. Caly.xaud corolla iioth present, 



A. Stamens more than 10. 

 Trees, shrubs, or woody vines, 

 leafless, or nearly so ; stem fleshy . 84. 



Leaves alternate. 

 Ovary one, simple. 



Fruit a drupe •'"^• 



Fruit a Ifguino •>5>. 



PlatanacesB. 



Saururaceai. 



Cornacese. 



Oleacete. 



Lauracese. 



Tliymeleacess. 



Ulmaceie. 



Aceraceaj. 



Menispermaceie. 



Onagracea. 

 Aristolochiaceae. 



Kanunt'ulacea'. 

 Amaraiithacea'. 

 Chenopcxliacca'. 

 Polygonaceie. 



UrticacefB. 



Moraceaj. 



Eupliorbiaceaj. 



CrassulaoeiB. 



I'liytolaccacea'. 



the jtetals not united 



ractaceie. 



Drupaccic. 

 Miniosacejc. 



