NEBRASKA WILD-DUCK FOODS. 
47 
Distribution of Vegetation, 
shore plants. 
Cord-grass (Spartina michauxiana) .* 
Common : flowers. 
Switchgrass (Panicum virgatum) .* 
Abundant. 
Bog reedgrass (Calamagrostis mex 
pansa) .* Common. 
Satin grass (Muhlenbergia foliosa).* 
Common ; flowers. 
Straw sedge {Cyperus 
Common. 
Spike rush (Eleocharis 
Common on wet shore 
water ; flowers. 
Sedge (Carex scoparia).* 
ers. 
Rush (Juncits balticus).* 
Rush (Juncus torreyi) . 
flowers. 
Rush (Juncus marginatus) .* Abun- 
dant ; mature fruit. 
Rush (Juncus dudleyi)* Common; 
mature fruit. 
strigosus) .* 
acicularis) .* 
and shallow 
Rare ; flow- 
Common 
12. Riehweed (Pilea pumila) .* Common; 
immature fruit. 
(Polygonum pennsylvani- 
13 
Heart's-ease 
cum).* 
14. Water-hemp 
Common ; 
Dragon-head 
tuberoulata) . 
15 
(Acnida 
flowers. 
(Dracocephalum virginia- 
num) .* Common. 
16. Mint (Mentha canadensis) .* Common; 
flower buds. 
17. Marsh mint (Stachys palustris) * 
Common. 
18. Willow berb (Epilooium lineare).* 
Sparse ; flowers to mature fruit. 
19. Small cleavers (Galium trifidum)* 
Sparse in marsh and wet shore ; 
flowers to immature fruit. 
20. Blue lobelia (Lobelia syphilitica).* 
Common ; flowers. 
21. Sticktight (Bidens trichosperma) .* 
Sparse ; flowers. 
MARSH, OR BOG, PLANTS. 
22. Marsh fern (Dryopteris thelypteris) * 
Common. 
23. Bur reed (Sparganium eurycarpum) . 
Sparse. 
24. Wapato (Sagittaria latifolia) . Abun- 
dant. 
25. Reed (Phragmites communis). Abun- 
dant. 
26. Spike rush (Eleocharis acuminata). 
27. Spike rush (Eleocharis acicularis).* 
Common ; flowers. 
28. Big bulrush (Scirpus occidentalis) . 
Abundant. 
29. Sedge (Carex utriculata) ,* Common ; 
mature fruit. 
30. Tall dock (Rumex altissimus) .* Sparse; 
immature fruit. 
31. Water hemlock (Cicuta maculata).* 
Sparse ; flowers. 
SEMISUBMERGED PLANTS. 
Dominants: 
32. Reed (Phragmites communis).* Flow- 
ers. 
33. Big bulrush (Scirpus occidentalis).* 
Flowers.' 
Secondary species: 
34. Bur reed (Sparganium eurycarpum).* 
Sparse ; immature fruit. 
35. Cat-tail (Typha latifolia). 
36. Wapato (Sagittaria latifolia).* Abun- 
dant ; flowers to immature fruit. 
37. Arrow-grass (Triglochin maritima).* 
Common ; flowers. 
38. Wild rice (Zizania palustris). Sparse 
at west end of lake and in poor con- 
dition. 
39. Spike rush (Eleocharis acuminata).* 
Flowers. 
40. Water smartweed (Polygonum amphi- 
bium) * Common; mature fruit. 
SUBMERGED PLANTS. 
Dominants: 
41. Water moss (Drepcnocladus aduncus 
aquaticus) . 
42. Coontail (Ceratophyllum demersum).* 
Secondary species: 
43. Eelgrass pondweed (Potamogeton com- 
pressus).* Common. 
44. Sago, pondweed (Potamogeton pectina- 
tus).* Common. 
45. Curly pondweed (Potamogeton per- 
foliatus richardsonii) . Common. 
46. Illinois pondweed (Potamogeton illi- 
noensis). Sparse. 
47. Bushy pondweed (Najas flexilis) .* 
Common. 
48. Small pondweed (Potamogeton pusil- 
lus),* Common. 
49. Water smartweed (Polygonum amphi- 
oium). Sparse. 
50. Spatterdock (Nymphaea advena).* 
Common ; flowers to mature fruit. 
51. Water milfoil (Myriophyllum spica- 
turn).* Common. 
52. Bladderwort (Utricularia vulgaris),* 
Common. 
