Leaves peltate, or centrally attached to tho petiole. Embryo 

 inclosed in a peculiar vitellus or say. Petals and sepals three or 

 four. Aquatic herbs. CABOHBACJLS. 



Leaves not peltate. Embryo minute, not in a vitellus. Plants 

 seldom aquatic. 



Anthers opening by pores. Seeds with a peculiar attachment, or 



aril. Tropical or Australian tr,ees or .shrubs. DILLESIACE.E. 

 Anthers opening lengthwise. Seeds without an aril. 



Herbs or climbing plants. Flowers perfect. 



RANUNCULACE.E. p. 33. 

 Trees or shrubs. 



Flowers imperfect; some staminate, some pistillate. Leaves often 



with pellucid dots. SCHIZANDRACE;E. 

 Flowers mostly perfect. Albumen of the seeds mottled. Sepals 



three. Petals six. Tropical. ANONAC:-:J-'. p. -i.'J. 



46. Placentae in the axis. 47 

 Placentae parietal. 



Aquatic herbs. Sepals four to six. Petals and stamens numer- 

 ous. Seeds many. Embryo contained in a vitellus or sa.c. 



NYMPH.TCACEJE. p. 46. 

 Not aquatic. Seeds without a vitellus. 



Sepals two, rarely three; falling off soon after the flower opens. 

 Herbs. Flowers perfect. Seeds with oily albumen. 



PAPAVEKACE.B. p. 48. 

 Sepals usually more than two. 



Seeds albuminous. Embryo straight. Trees or shrubs growing in 



warm countries. FLACOURTIACE.K 

 Seeds without albumen. Cotyledons curved, folded, or twisted. 



CAPPARIDACEJE. p. 56. 



47. Stigma petaloid, umbrella-like. Leaves pitcher-form. Herbs 



growing in wet places. SARRACENIACE.E. p. 4V. 

 Stigma simple, not peculiar. 



