16 



petals, 

 on the 



the 



or very 



without 



ovary 



91. Stamens attached to the base of 



the petals 

 Stamens free from the 

 inserted with them 

 calyx ... 



92. Ovary inferior 

 Ovary free, but enclosed in 



calyx tube 



93. Calyx segments linear, valvate 



petals cut 

 Calyx lobes imbricate 

 small ; petals entire 



94. Leaves alternate ... 

 Leaves opposite ... 



95. Climber, with tendrils 

 Tree, shrub, or herb, 



tendrils 



96. Flowers hermaphrodite 



stalked 

 Flowers unisexual ; ovary inferior 



97. Ovary 1-celled at least at the base 

 Ovary 2- or more-celled ... 



98. Ovary wholly inferior 



Ovary more or less free at top . . . 



99. Flowers separate, not in compact 



heads ... 

 Flowers in compact heads 

 sembling a single flower, 

 colour petals all outside 



100. Petals calyx-like or none 

 Petals strap-shaped 



101. Ovary inferior 

 Ovary superior or semi-superior 



102. Ovary 2-celled ... 

 Ovary 5-celled 



103. Calyx lobes conspicuous, valvate, 



4 or rarely 5 ... 

 Calyx teeth minute or none 

 ovules 1 in each cell... 



104. Ovules numerous ... 

 Ovules 1 or 2 in each cell 



104a.Ovules 2 in each cell 

 Ovule 1 in each cell 



105. Herb 



Shrub 



106. Petals 4 or 5, small 



Petals 6 to 10, linear ; ovary 

 2-celled ; fruit a 1-seeded 

 drupe ... 



107. Petals 5, small ; ovary 2-celled ; 



fruit dry 

 Petals 4 or 5, small ; ovary 2 

 more-celled ; fruit a berry 



re- 

 the 



or 



Styracaceae (p. 162). 



Rosaceae (p. 92). 

 93. 



Lythraceae (p. 108). 



Rhizophoraceae (p. 102). 



Myrtaceae (p. 104). 

 95. 

 108. 

 96. 



97. 



Passiftoraceae (p. 110). 



Cucurhitaceae (p. 111). 



98. 



101. 



Combretaceae (p. 103). 



99. 



100. 



Hamamelidaceae (p. 100) 

 Samydaceae (p. 110). 

 Cornaceae (p. 120). 



103. 



102. 

 Saxifragaceae (p. 98). 

 Linaceae (p. 53). 



104. 



106. 

 Onagraceae (p. 109). 



104a. 



222 (p. 23). 



105. 

 Haloraginaceae (p. 102). 

 Hamamelidaceae (p. 100). 



107. 



Cornaceae (p. 120). 

 Umbelliferae (p. 115). 

 Araliaceae (p. 118). 



