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 plantain {Plant ago major) * 
Mature fruit. 
2. Plantain (Plantago purshii).* Flow- 
ers. 
3. Satin grass (Muhlenbergia squar- 
rosa).* Flowers. 
4. Tussock sedge (Carex striata).* Ma- 
ture fruit. 
5. Closed gentian (Oentiana andrewsii) .* 
Flowers. 
6. Buckbean (Menyanthes trifoliata).* 
7. Purple foxglove (Oerardia besseyana) .* 
8. Small cleavers (Galium trifidum) .* Im- 
mature fruit. 
9. Goldenrod (Solidago rigida).* Flow- 
ers, to mature fruit. 
10. Goldenrod (Solidago serotina).* Flow- 
ers. 
11. Bushy goldenrod (Euthamia gramini- 
jolia).* Flowers. 
12. Sticktigbt (Bidens trichosperma) .* 
Flowers, to mature fruit. 
13. Willow aster (Aster salicifolius).* 
Flowers. 
Dominants: 
14. Wild rice (Zizania palustris). Good 
stand of rice over most of swamp 
area. 
15. Reed (Phragmites communis) . 
16. Big bulrush (Scirpus occidentalis) . 
SEMISUBMERGED PLANTS. 
Secondary species: 
17. Wapato (Sagittaria latifolia). 
18. River bulrush (Scirpus fluviatilis). 
19. Spike rush (Eleocharis acuminata) . 
20. Sedge (Carex scoparia). 
21. Golden dock (Rumex persicaHoides) .* 
Mature fruit ; sparse. 
22. Water hemlock (Cicuta maculata). 
SUBMERGED PLANTS. 
Dominants: 
23. Small pondweed (Potamogeton pusil- 
lus). 
24. Coontail (Ceratophyllum 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 richardsonii) . 
29. Illinois pondweed (Potajnogeton illino- 
ensis). 
30. Eelgrass pondweed (Potamogeton com- 
pressus). Abundant. 
31. Sago pondweed (Potamogeton pecti- 
natus). Abundant. 
32. Small pondweed (Potamogeton pitsil- 
lus). 
33. Bushy pondweed (Najas flexilis). 
Common. 
34. Water smartweed (Pol)igonu?n am- 
phibium). 
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. 
