group, tli«' following, which are the mosl conspicuous, may be 

 taken as typical : 



Batis maritima. 



Salicornia ambigua. 



Ipomoi a pt s-capn ae. 



St susvium portulacastrum. 



Suaeda Unt aris. 



Cakile maritima geniculata. 



Heliotropium curassavicum. 



Second, there are the plants of the dry drifting sands, just 

 outside the tide line, psammophytes. Of this group the following 

 may be mentioned: 



Distichlis maritima. 



Salsola Kali. 



Euphorbia polygonifolia. 

 Ccnchrus tribuloides. 

 Erigeron repens. 

 Heterotheca subaxillaris. 

 Oenothera humifusa. 



Third, the plants of the salt marshes, of which the following 

 are representative : 



Spartina ju nciformis. 



Spartina i>al< ns. 



Spartina polytachya. 



Lycium Carolinianum. 



Lippia laiici olata. 



Ash r spinosus. 



Tissa ni a nn a. 



A l ri ph x an naria. 

 Fourth, the plants that occur along the high ridges, of' 

 which the following may be mentioned: 



Burnt lia lanuginosa. 



Xanthoxylum Clava-Hi rculis. 



Acacia Fan nesiana. 



Crataegus species. 



Vitis cint n a. 



Eragrostis hypnoidi s. 



