NEBKASKA WILD-DUCK FOODS. 67 



SPECKELMIRE LAKE, CHERRY COUNTY. 



October 12, 1915. 



Description. — Marsh at west end. Fresh water ; average greatest depth 3 to 

 4 feet ; bottom mostly sandy. No inlet or outlet. 



DiSTEIBTJTION OF VEGETATION. 

 SHOBE PLANTS. 



Grasses, sedges, etc., as listed for neighboring lakes ; nothing new. 



SEMISTJBMEEGED PLANTS. 



Dominants: 



1. Cat-tail {Tijpha latifolia). 



2. Tule (Scirpus validus). 

 Secondary species: 



3. Bur reed {Sparganium eurycarpum) . 



4. Arrow-grass (Trir/lochin maritima). 



5. Water plantain {Alisina subcordatum). 



Common. 



6. Wapato {Sagittaria lat-ifoUa). Com- 



mon. 



7. Cord - grass (Spartina michauxiana) . 



Common. 



8. Reed {Phragmites communis). Com- 



mon. 



9. Bog reedgrass {Calamagrostis inex- 



pansa) . Common. 



10. River bulru.sh (Scirpus fluviatilis) .* 



Common ; not fruiting. 



11. Spike rush (Eleocharis palustris) . Com- 



mon. 



12. Willow (Salix). Sparse. 



IS. Curly dock (Rumex crispus) . Sparse. 



14. Water smartweed (Polygonum amphi- 



Mum).* Flowers; abundant. 



SUBMERGED PLANTS. 



Dominant: 



15. Sago pondweed (Potamogcton pectina- 



tus).* Practically fills lake. 

 Secondary species: 



16. Spike rush (Eleocharis, probably aci- 



cularis). Common. 



17. Water smartweed (Polygonum ampM- 



bium). Common. 



18. Water milfoil (Myriophyllmn spica- 



tum}. 



19. Bladderwort (Utricularia vulgaris). 



Common. 



FLOATING PLANTS. 



20. Butterflywort (Rlccia natanft) . Sparse. 



21. Big duckweed (Spirodela polyrhiza). 



rhiza). 



22. Star duckweed 

 Common. 



(Lemna trisulca) . 



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

 food for wild ducks are : Nos. 2, 6, 10, 15, 21, and 22 ; those of less importance 

 are: Nos. 3, 4, 5, 7, 11, 14 (17), 16, and 18; the remainder are of no known 

 value. 



YEARLING VALLEY LAKE, CHERRY COUNTY. 



October 13, 1915. 



Description. — ^Average greatest depth 3 to 4 feet. Bottom is sand muck. No 

 inlet or outlet. 



Distribution of Vegetation. 



shore plants. 



Grasses, etc., as listed for neighboring lakes ; nothing new. 



