66 FISHES OF THE CONNECTICUT LAKES. 



rocks to support iiiucli vegetation. The line of fertile soil is too far 

 removed from the water to support the water-loving shrubs which 

 fringe the other j^oncls and lakes of the neighborhood. The vegeta- 

 tion of the muddy shores is a heavy growth of grasses, sedges, and 

 rushes, whose identification has not been completed at this writing. 



Fixed aquatic vegetation. — The following species of plants were 

 found established in the waters of the First Lake. Those marked 

 with an asterisk were seen only in waters immediately adjoining. 

 The distribution of the plants in the lake Avill appear in the descrip- 

 tion of the stations at Avhich plankton was collected. 



Aquatic Plants Found Established in First Lake. 



Chara coronata Ziz. 



Fontinalis antipyretica Linnaeus. 



dal'icarica Bruch & Shimper. 

 Equisetum fluviatile Linnaeus. Horsetail. 



Imvigatum A. Braun. Horsetail. 

 Sparganiimi androcladmn fuctvans Morong. Bur-reed. 

 simplex Hudson. Bur-reed. 



simplex angustifoUum (Micheaux) Engelmann. Bur- 

 reed. 

 Potamogeton am^plifoUus Tuckerman. Pond weed. 



nuttallii Chamiss & Schlechtendall. Pond weed. 

 pro^longus Wulfin. Pond weed. 

 pusillus Linnfeus, 

 spirilltis Tuckerman. 

 rohhinsli Oakes. , 

 Sagittaria latifolia Willdenow. Arrow-head. 



graminea Micheaux. 

 Eleocharis aclcvlaris (Linnaeus) Eoemer & Schultes. Needle rush. 

 *Calla palustris Linnaeus. Wild arum. 

 Nymphcea advena Solander. Yellow pond lily. 

 hyhrida Peck. Red-disked pond lily. 

 Batrachium tricliophyllum (Chaix) Bossch. White water crow- 

 foot. 

 *Callitriche palustris Linnaeus. 



Myriophyllum alterni^orum De Candolle. Water milfoil. 

 * farwellii Morong. Water milfoil. 



*Utricida7'ia vulgare Linnaeus. Bladderwort. 



Quality of the water and source. — The water shows a very decided 

 brownish tint, discernible in even so small a quantity as a tumblerful. 

 The plankton net showed a surface 14 inches in diameter of soiled 

 white color, which disappeared on the brightest days at a depth of 10 

 feet. The water was excellent in flavor. Tests carried out with as 

 great care as possible showed it to be well aerated to considerable 



