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. 



DlSTEIBrUTION OF VEGETATION. 

 SHORE PLANTS. 



Upland vegetation to shore line ; closely grazed. No marsh. 



SEMISUBMERGED PLANTS. 



1. Wapato (Sagiitaria latifolia). Scarce. I 2. Big bulrush (Scnrpus ocoidentalis) . 



I Scarce. 



SUBMERGED PLANTS. 



Dominant : 



3. Coontail (CeratophyUum demersum). 

 Secondary species: 



4. Sago pondweed {Potamogeton pecli- 



natus). 



5. Curlj' pondweed {Potamogeton per- 



foUatus richardsonii). 



6. Illinois pondweed {Potamogeton ilU- 



noensis). 



Wild-(hick 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. 



7. Small pondweed {Potamogeton pusil- 



Tus). Abundant. 



8. Floating pondweed (Potamogeton 



natans). 



9. Spike rush {Eleocharis acicularia). 



10. Water smartweed {Polygonum amphi- 

 iiiim). Common. 



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 {TrigJochin maritima) . 



Common. 



2. Wapato {Sagittaria latifolia). 



3. Wild millet {Eehinochloa crus-galW) . 



Common. 



4. Switchgrass {Panicum virgatum). 



5. Rice cut-grass {Ilomalocenchrus ory- 



zoides). 



6. Satin grass {Muhlentergia foUosa). 



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. 



SEMISUBMERGED 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 altlssimus) . 



19. Water hemlock {Cicuta maculata).* 



20. Buckbean {Menyanthes trifoliata) .* 



