Maine Agricultural Experiment Station. 1918. 



A list of weed seeds found in seeds examined in 1917. 



NOMENCLATURE, GRAY'S MANUAL, 17th EDITION, 1908. 



Common Name. 



Ovoid spike rush 

 Ox-eye daisy 

 Pale persicaria 



Pennsylvania persicaria 

 Peppergrass (field) 

 Peppergrass (wild) 



Perennial sweet vernal grass 



Pigweed 



Plantain 



Poison hemlock 



Purslane 



Ragweed 



Ribgrass 

 Rugel's plantain 

 Russian thistle 



Sedge 



Sheep sorrel 

 Shepherd's purse 



Slender era 

 Spiny sida 

 Sprouting crabgrass 



Spurge 



Suckling clover 

 Sunflower 



Tumble-weed 



Virginia three-seeded mercury 



Vetch 



White vervain 

 Wild buckwheat 

 Wild carrot 



Wild madder 

 Wild rose 

 Willow herb 



Wormssed mustard 



Yarrow 



Yellow alyssum 



Yellow daisy 

 Yellow foxtail 

 Yellow rocket 

 Yellow-wood sorrel 



Scientific Name. 



Eleocharis ovate (Roth.) R. & S. 

 Chrysanthemum leucanthemum L. 

 Polygonum lapathifolium L. 



Polygonum pennsylvanicum L. 

 Lepidium campestre (L.) R. Br. 

 Lepidium virginicum L. 



Anthoxanthum odoratum L. 

 Amaranthus retroflexus L. 

 Plantago major L. 



Conium maeulatum L. 

 Portulaea oleracea L. 

 Ambrosia artemisiifolia L. 



Plantago lanceolata L. 

 Plantago rugelii Done. 

 Salsola Kali tenuifoiia (L.) G. P. W. Mey 



Carex unidentified. 



Rumex acetosella L. 



Capsella Bursa-pastoris (L.) Medic. 



Digitaria filiformis (L.) Koeler. 



Sida spinosa L. 



Panicum dichotomiflorum Michx. 



Euphorbia preslii Guss. 

 Trifolium dubium Sibth. 

 Helianthus annuus L. 



Amaranthus graecizans L. 

 Acalypha virginiea L. 

 Vicia sativa L. 



Verbena urticaefolia L. 

 Polygonum convolvulus L. 

 Daucus carota L. 



Galium mollugo L. 

 Rosa pratincola Greene. 

 Epilobium adenocaulon Haussk. 



Erysimum cheiranthoides L. 

 Achillea millefolium L. 

 Alyssum alyssoides L. 



Rudbeckia hirta L. 

 Setaria glauca (L.) Beauv. 

 Barbarea vulgaris R. Br. 

 Oxalis corniculata L. 



