3( 302 



MANUAL OF BOTANY 



Flowers perfect. 



Embryo with endosperm and peri- 

 sperm ... 

 Embryo without perisperm. 

 Albumen homogeneous. 



Sepals 2 . . . 



Sepals more than 2 . 

 Albumen ruminated. Shrubs . 

 Albumen in small quantity, or alto- 

 gether wanting. 

 Flowers unisexual 

 Flowers perfect 



NymphceacetB 

 {CabomhecE). 



FutnariaceiP, 



Ranunculacecp. 



Anouaretp. 



jermacecp. 

 Galycanthace<E. 



b. Carpels wholly corribined [at least as to the 

 ovaries). 



Placenta parietal. 



Stamens tetradynamous 

 Stamens not tetradynamous. 

 Large hypogynous disc. 



Flowers tetramerous. Fruit closed at 



the apex . . 

 Flowers not tetramerous. Unripe fruit 

 usually open at the apex . 

 Small hypogynous disc, or none. 

 Albumen abundant. 

 Flowers irregular 



Flowers regular. Sap milky. Fruit 

 without central pulp . 

 Fruit with central pulp, or fleshy. 

 Sap watery 

 Albumen in small quantity, or wanting. 

 Calyx tubular, furrowed 



I 



Placentas covering the dissepiments 



Placentas axile or free central. 

 Styles distinct to the base. 

 Calyx imbricate. 



Seeds smooth. Petals unequal- sided, 

 without appendages . . , . 

 Seeds shaggy. Petals unequal-sided, 

 usually with appendages at the base 

 Calyx slightly imbricate. 

 Petals not twisted in Eestivation. 

 Ovary with a free central placenta 

 Styles more or less combined. 



Calyx imbricate, in an irregular broken 

 wliorl. 

 Flowers symmetrical 

 Flowers uusymmetrical, papilionaceous 



Crucifercp. 



Capparidarecp. 

 Resedaee(s. 



Fumariacetp. 



PapaveracecP'. 



Bixacecs. 



Franheniacece. 

 Nymphceacecp 

 [Nymphisa;). 



HypericacetB. 

 Beaumuriacece. 



Caryophyllacece. 



Guttiferce. 

 Polygalace(£. 



