PLANTAGO CORONOPUS, LINN. 95 



KEY TO THE EUROPEAN VARIETIES OF PLANTAGO CORONOPUS, L. 



* Leaves with a narrow generally 1 -nerved racliis, rarely sub 

 3-nerved, sometimes enlarging towards apex. 



Q Margin of leaf entire or scarcely dentate. 



Var. integrata } Gren. and Godr. 

 Margin of leaf more or less lobed. 

 + Spikos, few flowered. 



Var. pygmaca, Lange. 

 + 4- Spikes, many flowered (i.e., com- 

 pared with preceding many 

 flowered). 



Racliis of leaf not conspicuously 

 enlarging towards apex. 



Var. Cupani. 



Rachis of leaf enlarging towards 

 apex. 



Var. critlimifolia. 



** Leaves with a broader rachis, 3-5 nerved, always more or less 

 lobed or segmented. 



Leaves carnose. 



Var. maritima. 



Leaves not carnose, or hardly so. 

 Var. latifolia. 

 Var. ceratopliyllon. 



