96 



Maine Agricultural Experiment Station. 1919 



A list of zvecd seeds found in seeds examined in 1919. 



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



; Common Name. 



Scientific Name 





1. 



2. 

 3. 



Apetalous peppergrass 

 Barnyard grass 

 Black medick 



Lepidium apetalum Willd. 

 Echinochloa crusgalli (L.) Beauv. 

 Medicago lupulina L. 





4. 

 5. 

 C. 



Bladder campion 

 Blue field madder 

 Blue vervain 



Silene latifoMa (Mill.) B. & R. 

 Sherardia arvensis ■ L. 

 Verbena hastata L. 





7. 

 8. 

 9. 



Canada thistle 



Catnip 



Chicory 



Cirsium arvense (L.) Scop. 

 Nepeta cataria L. 

 Cichorium intybus L. 





10. 

 11. 



12. 



Common mallow 

 Corn spurrey 

 Crabgrass 



Malva rotundifolia L. 



Spergula arvensis L. 



Digitaria sanguincilis (L.) Scop. 





13. 

 14. 

 15. 



Dock 



Ergot 



Evening primrose 



Rumex sp. 



*Claviceps purpurea (Fr.) Tul. 



Oenothera biennis L. 





16. 



17. 

 18. 



False flax 



Field peppergrass 



Five finger 



Camelina microcarpa Andrz. 

 Lepidium campestre (L.) R. Br. 

 Potsntilla monspeliensis L. 





19. 

 20. 

 21. 



Fowl meadow grass 



Goosefoot 



Green foxtail 



Glyceria nervata (Willd.) Trin. 

 Chenopodium album L. 

 Setaria viridis (L.) Beauv. 





22 

 23. 



24. 



Heal-all 



Hedge mustard 



Knot-grass 



Prunella vulgaris L. 

 Sisymbrium officinale (L.) Scop. 

 Polygonum aviculare L. 





25. 

 26. 



27. 



Lady's thumb 



Mayweed 



Mint 



Polygonum persicaria L. 

 Anthemis cotula L. 

 Mentha sp. 





28. 

 29. 



30. 



Moth mullein 

 Mouse-ear ehickweed 

 Mustard 



Verbaseum blattaria L. 

 Cerastium vulgatum L. 

 Brassiea nigra (L.) Koch. 





31. 



32. 

 33. 



Night-flowering catchfly 

 Old-witch grass 

 Ovoid spike rush 



Silene noctiflora L. 



Panicum capillare L. 



Eleocharis ovata (Roth.) R. & S. 





34. 

 35. 

 36. 



Ox-eye daisy 

 Pennsylvania persicaria 

 Pigweed 



Chrysanthemum leueanthemum L. 

 Polygonum penhsylvanicum L. 

 Amaranthus retroflexus L. 





37. 

 38. 

 39. 



Plantain 

 Quack grass 

 Ragweed 



Plantago major L. 

 Agrapyron repens (L.) Beauv. 

 Ambrosia artemisiifolia L. 





40. 

 41. 

 42. 



Ribgrass 



Rugel's plantain 

 Russian thistle 



Plantago lanceolata L. 

 Plantago rugelii Done. 

 Salsola Kali tenuifolia (L.) G. F. W. 



Mey. 



43. 

 44. 

 45. 



Sedge 



Sheep sorrel 

 Slender crabgrass 



Carex unidentified. 



Rumex aetosella L. 



Digitaria filiformis (L.) Koeler. 





46. 



47. 

 48. 



Spiny sow thistle 

 Sprouting crabgrass 

 White vervain 



Sonchus asper (L.) Hill. 

 Panicum dichotomiflorum Michx. 

 Verbena urticaefolia L. 





