7. Solidago sempervirens. Go Id em- od. 



8. Atriplex liastata, Orache. 



9. Euplior"bia poli'-gonifoldia. Spurge. 



10. Lathyriis raaritinus. Sand Pea. 



11. Stropliostyles Angulosa. 



Gakile, Salsola, Euphorbia and Xanthlim wero the dominant forms 

 on tliis "beach. The plants of this beach are the most xerophyte. 

 Though near the water the^ are too far removed to he reached hy it, 

 and are expoded to stronger winds which tend to dry the soil which 

 containing little decaying vegetation cannot hold much moisture. 

 These plants receive little shade from other plants. 



Salsola has reduced? succulent leaves and thin epidermis. 

 Many plants of this region have no Iiairs, Xanthium was the only 

 exception to this rule found there. 



Cakile has succulent stems and leaves but the leaves are not 

 mtieh reduced, yet this plant is always found in exposed conditions, 

 being one of the first plants found on a beach. Euphorbia is 

 eharacterizied by folding leaves, a milky juice and spreading habit. 



The upper beach is always free from, wave action. . It is 

 usTially a young region where perennials begin to replace ajinuals. 

 It may be exiled the Zone of Perennials. 



Plants M. Zone of Perennials. 



1. Xanthium, Cockle-bur. 



2. Ariiorphila, Sand reed. 



3. Lathyrus maritinus. Sand pea. 



