Key to Families 



Pngt 



I. Petals present 

 1. Flowers single or in clusters 

 .1. Petals separate 



( 1 ) Petals 3, rarely 2 

 (a) Sepals green, unlike the petals 

 v Leaves grass-like, Rower withering the firsl day 

 y. Leaves broad, flower persistent 



(.b) Sepals and petals more or less alike in color 

 \ Flowers irregular, petals unlike 

 i \t Stamen- 1 or 2. fused with the style 



I \ ( Stamen- 6-8, borne on the corolla 

 y. Flowers regular 

 i \ i ( hary interior 

 m. Stamens (> 

 n. Stamen- 3 

 (y) Ovary superior 



in. Stamens and pistil- in different tlowers 

 n. Stamens and pistils in the same flower 

 i m i Sepals and petals greenish brown, very small 

 (.til Sepals and petals never greenish brown 

 (2) Petal- 4 



(a) Flowers regular 



x. Stamens 4-5. usually shrubs 



i \ i Thorns present, leaves compound 

 (y) Thorns absent, leaves simple 

 m. Leaves evergreen, very small 

 n. Leaves not evergreen 

 y. Stamens 6 

 z. Stamen- more than (> 



(x) Stamens 9-12. leaves compound 

 (\ i Stamens many, leaves -imple 



(b) Flowers irregular 



\. Flowers spurred, leaves deeply cut or compound 

 - mens many, pistils 2-3 

 ( y ) Stamen- (>. pistil 1 

 y. Flowers not spurred, leaves simple 

 Fetal- 5 or more 

 (a) Flowers regular 

 x. Pistil simple. 1-many 

 Pistils few-many 

 m. Twining vines, tlowers dioecious 

 n. Herbs or shrubs, (lowers perfect 

 (m) Stamen- and petals coming oft" with the calyx 

 (n) Stamens and petals entirely free from the calyx 

 (y) Pistil 1 

 in. Stamens 

 n. Stamen- many 

 i m) Woody plants 



Commelinaceae 



4<t 



Liliaceae 



4-1 



Orchidaceae 



50 



Polygalaceae 



13 



. Imaryllidoi 



47 



Iridaceae 



48 



Smilacai i 



44 



Jvncaceae 



44 



Liliaceae 



4o 



Rutaceae 



Ericaceae 

 Cornaceae 

 Brassicaceae 



Capparidaceae 

 Papaveraceae 



Ranuncula 



Fumariaceae 



Onagraceae 



Menispermaceae 



eae 

 Ranunculaceae 



17 



18 

 35 

 11 



11 

 10 



7 



10 

 30 



Id 



_'4 



7 



Berberidoi 9 



Primus hi Rosat 25 



