XXIV 



INTRODUCTION 



n. Stamens and petals entirely free 

 from the calyx 

 (y) Pistil 1 

 m. Stamens 5-12 



(m) Petals 6; shrubs 

 (n) Petals 5 ; herbs 

 n. Stamens many 

 (m) Woody plants 

 (n) Herbs 

 y. Pistil compound 

 (x) Woody plants 

 m. Vines with tendrils 

 n. Trees or shrubs 

 (m) Leaves simple 

 r. Style 1 

 s. Styles 2 



(r) Ovary superior 

 h. Ovary deeply 2-divided, 



winged 

 i. Fruit a 1-celled capsule 

 (s) Ovary inferior; woody 



plants 

 Styles 3-5 



(r) Flowers white or pink 

 (s) Flowers greenish 

 Leaves compound 

 Leaves opposite, pinnate 

 Leaves alternate 

 (r) Flowers greenish; plants 

 often poisonous to the 

 touch 

 (s) Flowers white or whitish 

 h. Leaflets 3 ; fruit winged 

 i. Leaflets many ; fruit fleshy 

 (y) Herbs 

 m. Plants fleshy 



(m) Plants leafless, spiny; petals 



many 

 (n) Stems leafy, not spiny; petals 

 4-5 



t. 



(n) 



r. 



s. 



Ranunculaceae 1 



Berberidaceae 8 



MlMOSACEAE 167 



Prunaceae 165 

 Ranunculaceae 1 



VlTACEAE 211 



Ericaceae S3 



aceraceae 217 



Frankeniaceae 42 



Saxifragaceae 191 



Malaceae 163 

 Rhamnaceae 212 



Zygophyllaceae 41 



Anacardiaceae 220 



rutaceae 40 

 Malaceae 163 



Cactaceae 207 

 Crassulaceae 188 



