1909-] STRAND PLANTS OF NEW JERSEY. 77 



Succulent Leaf: Cakile edentula, Solidago sempervirens, Atriplex 

 hastata. 



Leathery Leaf: Lathyrus maritimus, Ampelopsis quinque folia, 

 Quercus obtusiloba, Xanthium echinatum, Ilex opaca. 



Wiry Leaf : AmmopJnla arenaria, Cenchrus tribuloides, 



Hairy Leaf: Amtnophila arenaria, Xanthium echinatum, Quercus 

 falcata, Hudsonia tomentosa, Vitis Lahrusca, V. cestivalis, Cenchrus 

 tribuloides. 



Leaf Surface Papillate : Euphorbia poJygonifolia. 



Leaf Becoming Erect in Sun Position : Strophostyles helvola, 

 Lathyrus maritimus, Euphorbia polygonifolia (leaf blade folding 

 along the midrib). 



Overlapping Leaves : Hudsonia tomentosa. 



Latex Tissue : Euphorbia polygonifolia. 



Raphides : Vitis cestivalis, V. Labrusca. 



Sphserocrystals : Atriplex hastata, Ilex opaca. 



Idioblasts : Cenchrus tribuloides. 



Diphotophyll : Euphorbia polygonifolia, Strophostyles helvola, 

 Lathyrus maritimus, Ampelopsis quinquefolia, Quercus obtusiloba, 

 Q. falcata, Vitis Labrusca, V. cestivalis. Ilex opaca, Baccharis halimi- 

 folia. 



Diplophyll: Cakile edentula, Atriplex hastata (Belmar), Xan- 

 thium echinatum. 



Staurophyll: Atriplex hastata (Normandie), Solidago sem- 

 pervirens. 



Spongophyll: Hudsonia tomentosa, Cenchrus tribuloides. 



Salt Marsh Plants. — The majority of the salt marsh species 

 studied showed two marked characteristics, namely, succulency and 

 wiriness. The following is a categoric presentation of the structure 

 of their leaves. The smooth character of the leaves will be noted 

 with the exception of Gerardia maritima, Hibiscus moscheutos, 

 Pluchea camphorata which grow back in the interior of the salt 

 marshes away from the tidal water. 



Thick Cuticle: Spartina stricta maritima (lower surface). 



Thick Epidermis: Distichlis spicata (lower surface), Aster 



