KEY 



LEAVES CROWDED ON THE STEM. 



1. dense, cushiony clumps of plants; flowers yellow. 



Cistaceae (Hudsonia). 



2. dense, cushiony clumps; flowers red-brown. 



Empetracece. 



3. plants in spreading patches. 



Ericaceae (Calluna, Erica). 



LEAVES IN CIRCLES AT THE TOP OF THE STEM OR IN 

 CIRCLES AROUND THE STEM (WHORLED). 



1. flowers in heads, magenta pink. 



Polygalacece (Polygala). 



2. flowers arranged in circles around the stem, 



magenta. Lythracece. 



3. flowers white or yellow. Primulacece. 



4. flowers small, white. Rubiaceoe (Galium). 



Leaves lobed or deeply cut. 

 BASAL. 



1. leaves from the roots and at the joints of the 



runners ; flowers in heads, yellow. Ranunculacece. 



2. leaves upright, nasturtium-shaped; flowers in a 



head, white. Umbelliferce (Hydrocotyle). 



OPPOSITE. 



1. flowers magenta-pink. Geraniacece (Geranium). 



ALTERNATE. 



1. flowers small, green or brown-red. 



Polygonacece (Rumex). 



2. plant sprawling on the ground; flowers white to 



pale-magenta. Malvaceae (Malva). 



3. flowers large, trumpet-shaped, blue; or much 



smaller, purple, having a yellow cone at the 

 centre. Solanacew. 



Leaves palmately-divided. 

 BASAL. 



1. divisions themselves deeply-slashed; flowers yel- 

 low. Ranunculaceos. 



