igio.] 



ON THE DISTRIBUTION OF PLANTS. 



481 



107. \\'ater at head of north arm of Shark River Bay (see map, 

 Fig. 4) in middle of an association of Spartina stricta maritima and 

 Spartina patens. Sp. gr. 1.0150; temp. 25°. [Sp. gr. 1.0175.] 



Fig. 5. View of salt marsh island fringed with Spartina stricta maritima 

 and covered by associations of Spartina patens, Juncus Gerardi, Distichlis 

 spicata, etc. Shark River, New Jersey. 



109. Contracted portion of the north arm of Shark River Bay, 

 where Spartina stricta maritima breaks up into patches between 

 which grow Scirpus pnngcns, Spartina patens and NympIi(raodorata. 

 Sp. gr. 1.0025; temp. 24°. [Sp. gr. 1.0044.] 



no. Water at base of a patch of Spartina polystaehya. Sp. gr. 

 1.0025; temp. 20°. [Sp. gr. 1.0034.] 



112. \\'ater from hole 20 cm. deep at the base of an association 

 of Phragniites communis (see Fig. 4). Sp. gr. i.ooio; temp. 28°. 

 [Sp. gr. 1.0153.] 



113. Water in upper portion of the south arm of Shark River 

 Bay. Sp. gr. 1.0035; temp. 25°. [Sp. gr. 1.0057.] 



114. Water from middle of Spartina stricta marititna associa- 



