WILD DUCKS OF THE BEAK RIVER MARSHES, UTAH. 13 



Shoee and Marsh Plants. 



Bayonet grass (Rcirpus paludosus). Abundant. 



Bulrush, round tule (Scirpus occidentalis) . Common. 



Olney bulrush (Scirpus olncyi). Common in the Salt Creek marsh. 



Wire grass (Eleocharis palustris) . Locally common. 



Bur reed (Sparganium eurycarpum). Fairly common. 



Arrow-grass (Triglochin maritima). Common. 



Rush grass (Sporobolus airoides). Common. 



Beard grass (Polypogon monspeliensis). Common. 



Bent grass (Agrostis alba). Common. 



Cord grass (Spartina gracilis). Fairly common. 



Slough grass (Beckma/rmia erucaefornvis) . Fairly common. 



Salt grass (Distichlis spicata). Abundant. 



Goose grass (Puccinellia nuttaUiana). Fairly common. 



Brome grass (Bromus tectoruin) . Fairly common. 



Foxtail (Hordeum jubatum). Abundant. 



Wild barley (Hordeum cussoneanum) . Fairly common. 



Wild rye (Elymus condensatus). Fairly common. 



Bog rush (Juncus torreyi). Fairly common. 



Dock (Rum ex crispus). Common. 



Knotweed (Polygonum incarnatum) . Fairly common. 



Knot grass (Polygonum aviculare) . Fairly common. 



Burro weed (Allenrolfea occidentalis). Common. 



Samphire (Salicornia rubra). Abundant. 



Utah samphire (Salicornia utahensis) . Common. 



Salt bush, orache (Atriplex liastata). Abundant. 



Goosefoot (Dondia erecta). Common. 



Sandwort (Tissa sparsifolia) . Common. 



Buttercup (Ranunculus eremogenes). Common. 



Trailing buttercup (Halerpestes cymbalaria) . Common. 



Yellow cress (Radicula hispida). Common. 



White sweet clover. (Melilotus alba). Common. 



Yellow sweet clover (Melilotus officinalis) . Common. 



Willow herb (Epilobium adenocaulon) . Common. 



Black saltwort (Glaux maritima). Common. 



Heliotrope (Heliotropnim xerophilum) . Common. 



Germander (Teucrium occidentalis}. Common. 



Mint (Mentha penardi). Common. 



Cocklebur (XantJimm echinatum). Common. 



Sunflower (Helianthus nuttalli) . Common. 



Pitchfork (Bidens glaucescens) . Common. 



Wild lettuce (Lactuca integrata). Common. 



Blue lettuce (Lactuca pulcJiella). Common. 



Spring sow thistle (Sonchus asper). Common. 



All the plants enumerated contribute more or less to the food of 

 the wild ducks in the marshes under consideration. There are in ad- 

 dition other plant growths present that, while not of value for their 

 production of food, are abundant enough to serve as cover plants 

 that furnish shelter and protection. Among these may be mentioned 

 the broad-leaved and narrow-leaved cat-tails (Typha latifolia and 

 Typha angustifolia), cane (Phragmites phragnvites), gray willow 



