Victorian Plants. 



33. Petals rarely absent. 



Petals four to five; stamens numerous, generally disconnec- 

 ted ; seeds mostly pendent, fixed to the axils of the fruit. 

 Figure 22. Tiliaceae. 163 



Petals usually absent. 



Petals five, when present; stamens disconnected or united; 

 seeds mostly ascendent, fixed to the axils of the fruit. 

 Figures 20 and 21. Sterculiaceae. 164 



34. Ovulary nearly always with more than one cell ... 35 

 Ovulary with one cell only ... ... ... 36 



35. Fruit only with its base fixed to the calyx. 



Fruit-cells frequently opening by bivalvular dehiscence ; 

 seeds fixed to the inner angles of the fruit ; albument 

 often large. Figure 23. Euphorbiaceae. 167 



Fruit, when provided with a calyx, adnate to it. 



Fruit involucrated ; indehiscent ; seed one ; albument none. 



Cupuliferae. 178 



36. Leaves very conspicuous, mostly scattered. 



Fruits indehiscent, dispersed or crowded or connate into a 

 succulent mass ; seed one, often with scanty or without 

 albument. Figure 24. TJrticaceae. 179 



Leaves rudimentary, whorled. 



Fruits seed-like, their enlarged and hardened bracts and 

 bracteoles connate into an almost strobilaceous mass ; 

 leaves cylindrically connate ; fruits terminated by a 

 membranous appendage, the whole fruiting mass resem- 

 bling small pine-cones (strobiles) ; seeds without albument. 

 Figure 25. Casuarineae. 182 



37. Albument usually inside the curvature of the embryo ... 38 

 Albument quite outside the embryo ... ... ... 45 



38. Fruit consisting of a single or of two or more separate or 



connate fruitlets, or the fruit two- or more-celled ... 39 



Fruit one-celled 40 



