Bickett — The Larger Aquatic Plants of Lake Mendota. 519 
Weights 
Sample: 
61 
52 
53 
98 
99 
100 
101 
102 
189 
190 
191 
192 
Species 
1 
Wet 
5 
60 
10 
Dry 
0.4 
9.0 
0.5 
2 
Wet 
360 
120 
15 
100 
X 
160 
40 
Dry 
56.2 
12.5 
0.8 
16.4 
29.0 
4.3 
3 
Wet 
X 
360 
Dry 
70.3 
4 
Wet 
60 
425 
660 
30 
60 
90 
110 
235 
Dry 
11.5 
46.4 
71.8 
3.2 
10.9 
16.2 
15.7 
27.2 
6 
Wet 
x 
Dry 
7 
Wet 
110 
X 
x 
Dry 
13.7 
0.2 
8 
Wet 
60 
75 
65 
190 
65 
530 
Dry 
5.9 
5.1 
8.5 
22.2 
3.8 
43.2 
9 
Wet 
10 
Dry 
0.9 
10 
Wet 
10 
10 
Dry 
(1.2) 
0.8 
20 
Wet 
125 
40 
290 
1050 
80 
Dry 
27.6 
9.9 
83.5 
262.9 
14.5 
Distances and depths are recorded in meters, areas in square meters, weights in grams, 
x indicates a trace. 
In recording dates, Roman numerals refer to the months, Arabic numerals to the days 
of the month. 
Numbers in parentheses are calculated on the basis of the water content for each species 
given in table S. 
Species are designated by numbers according to their place in table 1. 
