56. Ovary one celled. Fruit not winged. Shrubs. KRAMERIACEA:. 

 Ovary with two cells or more. 



Herbs or shrubs. Carpels two. Flowers very irregular, having 

 a papilionaceous aspect. Filaments usually cohering into a tube. 

 Leaves simple, entire, opposite. Anthers opening by pores at 

 the apex. POLYGALACE^E. p. 92. 



Trees or shrubs. Carpels two. Fruit a samara. Anthers opening 

 lengthwise. Disc fleshy. Stigma two cleft. Petals without 

 appendages at base. Leaves opposite. ACERACE.*;. p. 91. 



Trees or shrubs, rarely herbs. Ovary formed of two to four car- 

 pels. Petals with appendages at base. Disc fleshy. Leaves 

 mostly compound and alternate. SAPINDACE^E. p. 88. 



57. Carpels attached to a gynophore, an enlargement or prolongation 



of the axis beyond the insertion of the perianth. 61 

 Carpels inserted on the ordinary receptacle. 



Calyx imbricate in the bud. 59 

 Calyx valvate in the bud. 



Anthers opening by pores. 58 

 Anthers opening by slits lengthwise. 



Calyx enlarging in fruit. Stamens opposite the petals. Fruit a 



one-seeded drupe. OLACACEJC. 

 Calyx continuing small. Stamens alternate with the petals.. 



58. Ovary five or six celled, with many ovules in each cell. Leaves 



evergreen. PYROLACE.K. p 212. 



Ovary one or two celled, with one or two ovules in each cell. Slen- 

 der Australian shrubs. TREMANDRACEJB. 



59. Stamens distinct. 60 



Filaments united at base. 



Styles two to four, distinct. Seeds hairy or downy. Leaves small, 



somewhat fleshy, alternate, sessile. TAMARICACE.T-:. p. 63. 

 Styles united into one. 



