128 



P. amplifolius Tuckerm. This plant was abundant in water from five 

 to eight feet deep, but ranged from two to 24 feet. On the Sugar Loaf 

 bar, It was abundant and rank from nine to 24 feet. 



P. lonchites Tuckerm. This pond-weed was common everywhere in shal- 

 low water. A cluster of rank potamogetons growing in eight to ten 

 feet of water on Weed Patch bar I called lonchitls, but do not feel 

 quite sure that I was correct. 



P. lieteropliyllus Schreb. This plant was quite common out to a depth of 

 four feet. 



P. lucens Li. This plant, sometimes called perch weed, was widely dis- 

 tributed, growing most commonly in water from six to eight feet deep. 



P. praelongiis Wulf. Not vei"y common, growing in water from eight to 

 12 feet deep. 



P. pcrfoliatvs L. Not common, but quite abundant in a few localities in 

 the south part of the lake. More common in water from eight to 12 

 feet deep. 



P. sosteraefoUvs Schum. Quite common. More abundant between 10 and 

 16 feet, but ranging from two to 26 feet. 



P. friesii Ruprecht. Widely distributed, more abundant between 12 and 

 16 feet, but ranging from eight to 25 feet. 



P. pvsillus L. More common in the southeastern portion of the lake in 

 deep water, ranging from 10 to 24 feet. 



P. pectinatus L. Forming thick masses, excluding other vegetation in 

 water 10 to 16 feet deep, also in shallow water one to three feet deep. 

 It often stands at the head of a steep slope. 



P. roVbinsii Oakes. Very common in the shallow waters of the Little 

 Lake, but in the large lake more common in water from 10 to 18 feet 

 deep, ranging from tAvo feet to 24 feet. 



Naias flexilis (Willd) Rost and Schmidt. Very abundant, ranging from 

 one to 24 feet. Most common in the northeastern part of the lake. 



Naias flexilis robusta Morong. This plant, while not common, was found 

 in several localities 



Sagittaria graminea Michx. In the shallow water of the Little Lake. 



Philotria canadensis (Michx.) Britton. Very abundant in a few localities 

 in shallow water, as near the head of the outlet. It is widely distrib- 

 uted in deep water, ranging from one to 22 feet. 



