42 BULLETIN 794, U. S. DEPARTMENT OF AGRICULTURE. 
FLOATING PLANTS. 
26. Star duckweed (Lemna trisulca). | 27. Big duckweed (Spirodela polyrMza). 
Wild-duck foods. — Plants in the above list which have considerable value as 
food for ducks are ■ Xos. 14, 16, 21, 24, 26, and 27 ; those of lesser impor- 
tance are : Xos. 1, 2, 6, 8, 9, 17, 19, 20, 22, 23, and 25 ; the remainder are of no 
known value. 
ENDERS LAKE OVERFLOW, BROWN COUNTY. 
August 11, 1915. 
Description. — Very little marsh. Semisubmerged vegetation abundant. 
Water fresh; small amount open; depth 6 to 7 feet. Xo outlet; inlet from 
Enders Lake. 
DISTRIBUTION OF VEGETATION. 
SHOEE PLANTS. 
Wide zone of wet meadow. 
1. Cord-grass (Spartina michauxiana ) . 
Common. 
2. Switchgrass (Panicum virgatum i . Com- 
mon. 
3. Hair-grass (Agrostis liyemalis). 
4. Redtop (Agrostis alba) . 
5. Bog reedgrass (Calamagrostis inex- 
pansa).* 
6. Shining sedge (Cyperus rivularis). 
Common. 
7. Straw sedge (Gyperus strigosus). Abun- 
dant. 
8. Sedge (Carex vulpinoidea) . 
9. Rush (Juncus nodosus). Abundant. 
10. Rush {Juncus canadensis). Common. 
11. Water hemlock (Cicuta maculata) . 
12. Marsh mint (Stachys palusti'is). 
SEMISUBMERGED PLANTS. 
Dominants: 
13. Spike rush (Eleocharis acuminata).* 
Flowers. 
14. Water smartweed {Polygonum umphi- 
bium).* Flowers. 
Secondary species: 
15. Bur reed (Sparganium curycarpum) 
Immature fruit. 
16. Wapato (Sagittaria latifolia). 
17. Reed (Phragmites communis).* 
18. Big bulrush (Scirpus oceidentalis). 
SUBMERGED PLANTS. 
Dominants: 
19. Curly pondweed (Potamogeton perfoli- 
atus rielwrdson i i ) . 
20. Floating pondweed {Potamogeton na- 
tans) . 
Secondary species: 
21. Water moss (Drepanocladus adunciis 
aquaticus). 
22. Sago pondweed (Potamogeton pccti- 
natus). 
23. Eelgrass pondweed (Potamogeton com- 
pressus). 
24. Small pondweed (Potamogeton pusil- 
lus). 
25. Variable pondweed (Potamogeton lictc- 
rophyUu*).* 
26. Water milfoil (Myriophyllum spica- 
tum). 
FLOATING PLANTS. 
27. Star duckweed (Lemna trisulca). 
I 28. Big duckweed (Spirodela polyrhiza). 
Wild-duck foods. — Plants in the above list which have considerable value as 
food for wild ducks are: Xos. 16, 18, 22, 24, 25, 27, and 28; those of lesser 
importance are : Xos. 1, 2, 6, 7, S, 14, 15, 19, 20, 23, and 2G ; the remainder are of 
no known value. 
