DICOTYLEDONES— CALYCIFLOR.E 



863 



Carpels each with one hypogyuous scale Crassulacece. 



Carpels without hypogyuous scales . SaxifragacecB 

 Styles more or less combined. {j^art). 



Calyx imbricate. Ovules suspended . Bruniacece. 

 Calyx valvate. 



Leaves simple. Calyx tubular . . Lijthracece. 



b. Leaves ivith stipules. 



1. Carpels distinct, or solitary. 



Fruit leguminous ; odd lobe of the calyx in- 

 ferior ....... 



Fruit not leguminous : odd lobe of the calyx 

 superior ....... 



2. Carpels more or less combined {at least hy 



their ovaries). 

 Placentas parietal. 



Flowers with a ring of appendages . 

 Placentas in the axis. 



Styles distinct to the base. 

 Petals consiDicuous. 



Leaves opposite ..... 

 Leaves alternate ..... 



Legiiminosce. 

 Bosacece. 



PassifloracecB. 



Cunomacecp. 

 SaxifragacecB 

 {part). 



B, Ovary inferior, or partially so. 



a. Leaves tvithout stipules, or with cirrlwse ap- 

 pendages. 



Placentas parietal. 



Flowers completely unisexual. Gamopeta- 



lous Cucurhitacece. 



Flowers hermaplu'odite or poh'gamous. 



Petals distinct ..... Ribesiacece. 



Placentas in the axis. 



Flowers in umbels, or capitula. 



Styles two TJmbelliferce. 



Styles three or more ..... Araliacece. 

 Flowerslnot in vimbels. 

 Carpel solitary. 

 Petals strap-shaped, reflexed . . . Alangiacecp. 

 Petals oblong. 



Cotyledons convolute .... Combretacece. 

 Cotyledons flat ..... Saloragacec^. 

 Carpels two or more, divaricating at the 

 apex. 

 Leaves alternate. Herbs . . . Saxifragacece 



[part). 

 Leaves opposite. Shrubs . . . Hy drangeacecB 



