NEBRASKA WILD-DUCK FOODS. 



DiSTBIBUTION OF VEGETATION. 



SHORE PLANTS. 



Grasses, sedges, goldenrods, etc., as listed for neighboring lakes: 



1. Saltgrass (Distichlis spicata) . Com- i 

 mon. 



61 



Dominants: 

 2. Big bulrush (Scirpus occidentalis) 



SEMIS UBMEEGED PLANTS. 



I 3. Spike rush {Eleocharis acunUnata). 



SUBMERGED PLANTS. 



4. Small pondweed (Potamogeton pusillus). 



Abundant. 



5. Sago pondweed (Potamogeton pect-l- 



natus). Sparse. 



6. Water milfoil (MyriophyUum spicatutn). 



Sparse. 

 -. Very little submerged vegetation. 



Wild-duck foods. — Plants in the above list which have considerable value as 

 food for wild ducks are : Nos. 2, 4, and 5 ; those of less importance are : Nos. 

 1, 3, and 6. 



MOLLY MARSH, CHERRY COUNTY. 



September 13,1915. 



Description. — Comparatively little open water ; depth, 3 to 4 feet ; bottom 

 mucky. No outlet or inlet. 



Distribution of Vegetation, 



shore plants. 



A mixture of grasses, sedges, etc., as found on near-by lakes ; nothing new. 



SEMISUBMERGED PLANTS. 



Dominant : 



1. Great bulrush {Scirpus occidentalis). 

 Secondary species: 



2. Bur reed (Sparganium eurycarpum). 



3. Wapato (Sagittaria latifolia). 



4. Reed (Phragmitea communis). 



5. River bulrush (Scirpus fluviatilis) . 



Common. 



6. Spike rush (Eleocharis acuminata). 



7. Water smartweed (Polygonum amphi- 



Mum). Common. 



8. Water hemlock (Cicuta maculata). 



Sparse. 



SUBMERGED PLANTS. 



9. Sago pondweed (Potamogeton pectina- 

 tus). 



10. Coontail (Ceratophyllum demersum). 



Secondary species: 



11. Floating pondweed (Potamogeton nOr- 



tans ) . 



12. Curly pondweed (Potamogeton per- 



foliatus richardsonii) . 



13. Illinois pondweed (Potamogeton illi- 



noensis). 



14. Eelgrass pondweed (JPotamogeton com- 



pressus). 



15. Small pondweed (Potamogeton pusil- 



lus). Common. 



16. Bushy pondweed (Najas flexilis). Com- 



mon. 



17. Water smartweed (Polygonum amphi- 



bium, ) . 



18. White water crowfoot (Batrachium di- 



varicatum). Abundant. 



19. Spatterdock (Nymphaea advena). 



20. Water milfoil (MyriophyUum spica- 



tum). 



21. Bladderwort (Utricularia vulgaris). 



Common, 



