. 
NEBRASKA 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. 
Distribution of Vegetation. 
shoee plants. 
Grasses, sedges, etc., as listed for neighboring lakes ; nothing new. 
SEMISUBMERGED PLANTS. 
Dominants: 
1. Cat-tail (Typha latifolia). 
2. Tule (Scirpus validus). 
Secondary species: 
3. Bur reed (Sparganium eurycarpum) . 
4. Arrow-grass (Triglochin maritima). 
5. Water plantain (Alisma s ubcor datum) . 
Common. 
6. Wapato (Sagittaria latifolia). Com- 
mon. 
7. Cord - grass (Spartina michauxiana) . 
Common. 
8. Reed (Phragmites communis). Com- 
mon. 
9. Bog reedgrass (Calamagrostis inex- 
pansa) . Common. 
10. River bulrush (Scirpus fluviatilis) .* 
Common ; not fruiting. 
11. Spike rush (Eleocharis paliistris) . Com- 
mon. 
12. Willow (Salix). Sparse. 
IS. Curly dock (Rumex crispus) . Sparse. 
14. Water smartweed [Polygonum amphi- 
bium).* Flowers; abundant. 
SUBMERGED PLANTS. 
Dominant: 
15. Sago pondweed (Potamogeton pectina- 
tus).* Practically fills lake. 
Secondary species: 
16. Spike rush (Eleocharis, probably aci- 
cularis). Common. 
17. Water smartweed (Polygonum amphi- 
bium). Common. 
18. Water milfoil (Myriophyllum spica- 
tum). 
19. Bladderwort (Utricularia vulgaris). 
Common. 
FLOATING PLANTS. 
20. Butterflywort (Riccia nutans) . Sparse. 
21. Big duckweed (Spirodela polyrhiza). 
rhiza). 
22. Star duckweed (Lemna trisulca) , 
Common. 
Wild-duck 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. 
