Jan., 1908.] Variation in Syndesmon an l Hepatica. 
433 
3. The number of involucrate leaflets has maxima at 3, 6, 9, 
and 12, because of the trifoliate leaves. The maximum at 6 is 
by far the most frequent, corresponding to three flowers. 
TABLE III. NUMBER OF SEPALS ON TERMINAL FLOWERS. 
Locality and Date 
N 
4 
5 
6 
7 
8 
9 
10 
11 
12 
Av. 
Natick, Mass., May 6, ’99. 
74 
i 
15 
51 
5 
2 
6.89 
A Stony Brook, Mass., May 7, '99... . 
67 
13 
31 
16 
7 
7.24 
B Stony Brook, Mass., May 7, ’99... 
13 
2 
11 
6.84 
A Yonkers, N. Y„ Apr. 17. '99. 
14 
5 
4 
3 
i 
0 
0 
1 
7.35 
A “ “ A'pr. 21, '99. 
37 
7 
24 
4 
2 
7.02 
C “ “ Apr. 19, ’99. 
27 
i 
5 
18 
3 
7.84 
E “ “ Apr. 20, ’99 . 
49 
i 
16 
17 
10 
4 
1 
8.06 
Alpine, N. J., Apr. 23, '99 . 
14 
2 
10 
2 
7.00 
Glencoe, Ill., May 5, ’00. 
64 
1 
3 
38 
20 
2 
6.29 
A Riverside, Ill., May 12, '00. 
2 
1 
i 
7.50 
B “ “ May 12, '00. 
38 
5 
12 
12 
9 
6.65 
A Madison, Wis., May 2, '02. 
89 
7 
48 
25 
6 
3 
6.42 
A “ “ May 12, ’02 . 
67 
6 
40 
18 
2 
1 
6.27 
B “ “ May 25, '02. 
26 
1 
3 
12 
6 
4 
6.34 
B “ “ June 10, ’02. 
2 
1 
1 
6.50 
•C “ “ May 25, ’02 
15 
4 
6 
5 
7.06 
C “ “ June 10, ’02. 
3 
2 
1 
5.66 
Total. 
601 
2 
27 
201 
242 
94 
29 
4 
1 
1 
6.85 
Total all flowers. 
1241 
30 
256 
520 
298 
100 
29 
6 
1 
1 
6.24 
TABLE IV. NUMBER OF SEPALS ON LATERAL FLOWERS. 
Locality and Date 
n 
4 
5 
6 
7 
8 
9 
10 
Av. 
Natick, Mass., May 6, '99. 
18 
4 
14 
5.77 
A Stony Brook, Mass., May 7, '99. 
159 
68 
70 
21 
5.70 
E Yonkers, N. Y., Apr. 20, ’99 . 
3 
3 
7.00 
Glencoe, Ill., May 5, '00. 
24 
7 
16 
1 
5.74 
A Riverside, Ill., May 12, '00. 
13 
1 
8 
4 
5.23 
B “ “ May 12, '00. 
48 
4 
27 
17 
5.26 
A Madison, Wis., May 2, '02 . 
125 
21 
80 
21 
2 
0 
1 
6.06 
A “ “ May 12, 02. 
71 
1 
25 
42 
3 
5.63 
B " “ May 25, ’02. 
38 
5 
14 
16 
3 
5.44 
B “ “ June 10, ’02. 
4 
2 
0 
1 
1 
6.25 
C “ “ May 25, ’02. 
82 
7 
34 
40 
1 
5.38 
C “ “ June 10, ’02. 
55 
10 
19 
20 
2 
3 
0 
1 
5.48 
Total. 
640 
28 
229 
319 
56 
6 
0 
2 
5.67 
