37 



COMMON WEEDS 



In Samples of Grass Seeds 



THE SMALLER SEEDS MOSTLY IN TIMOTHY AND 

 OTHER SMALL-SEEDED SPECIES 



Ranunculus acris 



repens 

 Capsella Bursa-Pastoris 

 Viola tricolor 

 Lychnis Flos-cuculi 

 Arenaria serpyllifolia 

 Stellaria graminea 



media 

 Geranium dissectum 



pusillum 

 Trifolium procumbens 

 Scleranthus annuus 

 Anthriscus sylvestris 

 Galium Aparine 

 Knautia arvensis 

 Anthemis arvensis 

 Chrysanthemum segetum 



,, Leucanthemum 



Cnicus arvensis 

 Centaurea Cyanus 

 Lapsana communis 

 Leontodon autumnalis 



Hypochaeris radicata 

 Sonchus oleraceus 

 Crepis virens 

 Euphrasia officinalis 

 Prunella vulgaris 

 Plantago major 



lanceolata 

 Chenopodium album 

 Rumex crispus 



Acetosella 



Acetosa 

 Polygonum lapathifolium 

 Carex sp. 



Agrostis Spica-venti 

 Festuca myurus 

 Molinia casrulea 

 Bromus secalinus 

 Triticum repens 

 Lolium temulentum 

 Nardus stricta 

 Aira caryophyllea 

 flexuosa 



It may be noted here that certain of these plants are 

 not dealt with in this volume. 



Illustrations of seventy-six species of weed seeds are 

 shown in three Plates in Appendix I. 



A reference collection of weed seeds embracing over 

 200 species found in commercial samples of clovers is 

 issued by Professor J. Percival, M.A., University College, 

 Reading. 



