60 BULLETIN 794, U. S. DEPARTMENT OF AGRICULTURE. 



Distribution of Vegetation. 



SHORE PLANTS. 



Grasses, etc., as listed for neighboring waters, including the following : 



1. Common plaritain {Plantago major).* 



Mature fruit. 



2. Plantain (Plantago purshii).* Flow- 



ers. 



3. Satin grass {Muhlenhergia squar- 



rosa).* Flowers. 



4. Tussock sedge (Carex stricta)* Ma- 



ture fruit. 



5. Closed gentian (Oentiana andremsii) .* 



Flowers. 



6. Buckbean (Menyanthes trifoliata) .* 



7. Purple foxglove {Oerardia tesseyana) .* 



8. Small cleavers (Galium trifldum) .* Im- 



mature fruit. 



9. Goldenrod (Solidago rigida).* Flow- 



ers, to mature fruit, 



10. Goldenrod (Solidago serotina).*- Flow- 



ers. 



11. Bushy goldenrod (Eutha/mia gramini- 



folia).* Flowers. 



12. Stiektight (Bidens trichosperma) .* 



Flowers, to mature fruit. 



13. Willow aster (Aster salicif alius) ,* 



Flowers. 



SEMIStJBMERGED PLANTS. 



Dominants: 



14. Wild rice (Zizania palustris). Good 



stand of rice over most of swamp 

 area. 



15. Reed (Phragmites communis) . 



16. Big bulrush (Seirpus occidentalis) . 



Secondary species: 



17. Wapato (Sagittaria latifolia). 



18. River bulrush (Seirpus fluviatilis). 



19. Spike rush (Eleocharis acuminata) . 



20. Sedge (Carex scoparia). 



21. Golden dock (Rumex persicarioides) . 



Mature fruit ; sparse. 



22. Water hemlock (Cicuta maculata). 



SUBMERGED PLANTS. 



Dominants: 



23. Small pondweed (Potamogeton pusil- 



lus). 



24. Coontail (Geratophyllum demersum). 



25. Spatterdock (Nymphaea advena).* 



Seedlings. 

 Secondary species: 



26. Musk grass (Chara sp.). Abundant. 



27. Floating pondweed (Potamogeton na^ 



tans). 



28. Curly pondweed (Potamogeton per- 



foliatus richardsonU) . 



29. Illinois pondweed (Potamogeton illino- 



ensis). 



30. Eelgrass pondweed (Potamogeton com- 



pressus). Abundant. 



31. Sago pondweed (Potamogeton pecti- 



natus). Abundant. 



32. Small pondweed (Potamogeton piisil- 



lus) . 



33. Bushy pondweed (Najas flexiUs). 



Common. 



34. Water smartweed (Polygonum am- 



phiMum). 



35. White water crowfoot (Batrachium di- 



varicatum) . 



36. Water milfoil (Myriophyllum spica- 



tum ) . 



FLOATING PLANTS. 



37. Big duckweed (Spirodela polyrhiza). 



Abundant. 



38. Small duckweed (Lemna minor). 



Abundant. 



39. Star duckweed 

 Abundant. 



(Lemna trisulca). 



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

 food for wild ducks are : Nos. 14, 16, 17, 18, 23, 24, 26, 31, 32, 33, 37, 38, and 39 ; 

 those of less importance are : Nos. 4, 6, 8, 12, 19, 20, 25, 27, 28, 29, 30, 34, 

 35, and 36 ; the remainder are of no known value. 



BIG ALKALI LAKE, CHERRY COUNTY. 



September 13, 1915. 



Description. — ^Little or no marsh. Water, alkaline; average greatest depth, 

 10 to 12 feet ; bottom, sandy. No outlet or inlet. 



