NEBRASKA WILD-DUCK FOODS. 
55 
BEAVER LAKE, CHERRY COUNTY. 
September 3-4, 1915. 
Description. — No marsh, grazed to shore line. Average greatest depth, 14 to 
15 feet ; bottom sandy. 
DISTRIBUTION OF VEGETATION. 
SHORE PLANTS. 
Upland vegetation to shore line ; closely grazed. No marsh. 
SEMISUBMERGED PLANTS. 
1. Wapato (Sagittaria latifolia). Scarce. 
2. Big bulrush (Scirpus ocoidentalis) . 
Scarce. 
SUBMERGED PLANTS. 
7. Small pondweed (Potamogeton pusil- 
lus). Abundant. 
8. Floating pondweed (Potamogeton 
natans). 
9. Spike rush (Eleocharis acicularis), 
10. Water smartweed {Polygonum amphi- 
bium). Common. 
Dominant : 
3. Coontail (Ceratophyllum demersum). 
Secondary species: 
4. Sago pondweed (Potamogeton pecti- 
natus ) . 
5. Curly pondweed (Potamogeton per- 
foliatus richardsonii) . 
6. Illinois pondweed (Potamogeton illi- 
noensis). 
Wild-duck foods. — Plants in the above list which have considerable value as 
food for wild ducks are :Nos. 1, 2, 3, 4, and 7 ; those of less importance are : 
Nos. 5, 6, 8, 9, and 10 ; the remainder are of no known value. 
WENDLER SWAMP, CHERRY COUNTY. 
September 4 and 10, 1915. 
Description. — Good stand of wild rice over entire swamp. Fresh water, fed 
by springs ; very little open ; bottom very mucky ; average greatest depth, 3 to 
4 feet ; no inlet or outlet. 
Distribution of Vegetation. 
SHORE PLANTS. 
1. Arrow-grass (Triglochin maritima) . 
Common. 
2. Wapato (Sagittaria latifolia). 
3. Wild millet (Echinochloa crus-galli). 
Common. 
4. Switchgrass (Panicum virgatum). 
5. Rice cut-grass (Homalocenchrus ory- 
zoidcs). 
6. Satin grass (Muhlenbergia foliosa) . 
7. Sedge (Carex scoparia) .* Abundant. 
8. Rush (Juncus torreyi) .* 
9. Rush (Juncus marginatus) .* 
10. Water smartweed (Polygonum amphi- 
Mum). 
Other grasses, sedges, etc., as listed for neighboring bodies of water. 
SEMISURMERGED PLANTS. 
Dominants: 
11. Wild rice (Zizania palustris) . 
12. Reed (Phragmites communis). 
13. Big bulrush (Scirpus occidentalis) . 
Secondary species: 
14. Cat-tail (Typha latifolia). 
15. Bur reed (Sparganium eurycarpum), 
16. Wapato (Sagittaria latifolia). 
17. Spike rush (Eleocharis acuminata). 
18. Tall dock (Rumex altissimus). 
19. Water hemlock (Cicuta maculata) .* 
20. Buckbean (Menyanthes trifoliata) .* 
