UTILITY OF BIRDS IN FIELD AND GARDEN. 281 



Noxious Seeds 



Bull tiiistle (Cnrd/iNs Uiticcohi- 

 lum) . 



Beggar-ticks ( Bidrns froiidosd). 



Sneezeweed (^Ileleuiiua (lutum- 

 nale) . 



Ragweed (A)ubrosia arUiiiisii 

 folia) . 



Giant ragweed (Ambrosia trijida) . 



Sow thistle (Sonchus oleraceus). 



Dandelion ( Taraxaenm taraxa- 

 cum'). 



AVild lettuce (Lactuca ranadeit- 

 sis). 



Black bindweed (Pohigouum con- 

 volvulus). 



Penusjdvania persicaria (Polygo- 

 num pcnnsylvanicum) . 



Knotweed (Poli/gommi avicnlare). 



Climbing false buckwheat (Polyg- 

 onum scandens) . 



Bitter dock (Rumex oblusifoUus). 



Curled dock (Rumex crispus). 



Sheep sorrel (Rumex acetosella) . 



Crab grass (Panicum sanguina- 

 lis). 



Pigeon grass (Scfaria verticil- 

 lala) . 



Green foxtail grass (Setarin vir- 

 idis) . 



Broom-sedge (Andrnpogon virgin- 

 urns) . 



eaten by Birds. 

 Sheathed rush-grass (Sporobulus 



vaginiforus). 

 Poverty gi'ass (Aristida sp.). 

 Yard grass (Eletisine indica) . 

 Bermuda grass (Cynodon dacty- 



lon) . 

 Paspaluni (Paspaluin sp.). 

 Sedge (Cyperus). 

 Sassafras (Sassafras variifolium). 

 Blackberry (Rubus villosus). 

 Pokeberry (Phytolacca decaudra) . 

 Partridge pea (Cassia chamce- 



crista) . 

 Sweet clover (Mclilotus alba). 

 Tick-trefoil (Dcsmodium nudifo- 



rium). 

 Snowdrops (CEnolhera fruiticosa) . 

 Chickweed (Stellaria media). 

 Amaranth (Amaranthus retro- 



flexus) . 

 Trumpet creej^er (Tccoma radi- 



cans) . 

 Yellow sorrel (Oxnlis stricta). 

 Kib-grass (Plantago lanccolata) . 

 Spurge (Euphorbia macnlala). 

 Lamb's quarters (Chenopodiuin 



album). 

 Purslane (Portulaca oleracea). 

 Jewel weed (Irnpatiens). 



