302 



MANUAL OF BOTANY 



Flowers perfect. 



Embryo with endosperm and peri- 

 sperni ....... 



Embryo without perisperm. 

 Albumen homogeneous. 



Sepals 2 ..... . 



Sepals more than 2 . 

 Albumen ruminated. Slu'ubs .. 

 Albumen in small quantity, or alto- 

 gether wanting. 

 Flowers unisexual . . . . 



Flowers perfect . . . . 



NijmphcsacecB 

 (CabomhecB). 



FianariacecF. 



Banunculacece. 



AnonacecE. 



Menisjjermacece . 

 Calycanthacece. 



b. Carpels ivhoUy comhined (at least as to the 

 ovaries). 



Placenta jiarietal. 



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, 

 Saj) watery .... 



Albumen in small quantity, or wanting. 

 Calyx tubular, furrowed 



Placentas covering the dissepiments 



Placentas axile or free central. 

 Styles distinct to the base. 

 Calyx imbricate. 



Seeds smooth. Petals unequal-sided, 



without apj)endages .... 



Seeds shaggy. Petals unequal-sided, 



usually with appendages at the base 



Calyx slightly imbricate. 



Petals not twisted in aestivation. 

 Ovary with a free central placenta 

 Styles more or less combined. 



Calyx imbricate, in an irregular broken 

 whorl. 

 Flowers symmetrical .... 

 Flowers unsymmetrical, papilionaceous 



Cruciferce. 



Capparidacece. 

 Besedacece. 



Fumariacecp. 



Pap)averacece. 



Bixacece. 



Fra n ke n iacecp. 

 NymphcBacecB 

 {Ny?nphcece). 



Hypericacecp. 

 Reaiunuriacece. 



CaryophyllacecE. 



Guttiferce. 

 Polygalacece. 



