16 MISSOURI AGR. EXP. STA. RESEARCH BULLETIN NO. 17 



Table 6 Continued 



* No Germination up to October 15. 



The following list includes those species from which no germina- 

 tion was secured: 



Gramineae 

 Poa pratensis, L. 

 Eragrostis major, L. 



Cyperaceae 



Carex sp. 



Carex sp. 



Carex Frankii, Kunth. 



Cyperus strigosus, L. 



Betulaceae 

 Ostrya virginiana, (Mill.) K. Koch. 



Polygonaceae 

 Rumex Acetosella, L. 



Amaranthaceae 

 Amaranthus spinosus, L. 

 Amaranthus sp. 



Caryophyllaceae 



Silene antirrhina, L. 



Portulaceae 



Portulaca oleracea, L. 



Cruciferae 



Gapsella bursa-pastoris, (L.) Medic. 

 Lepidium virginicum, L. 



Saxifragaceae 

 Ribes nigrum, L. 

 Ribes gracile, Michx. 



Rosaceae 



Agrimonia microcarpa, Wallr. 

 Fragaria virginiana, Duchesne. 

 Rubus occidentalis, L. 

 Rubus villosus, Ait. 

 Prunus Persica, (L.) Stokes. 

 Prunus Cerasus, L. 

 Prunus hortulana, Bailey. 

 Amelanchier canadensis, (L.) Medic. 

 Pyrus Mains, L. 

 Rosa rugosa, L. 



Physocarpus opulifolius, (L.) Maxim. 

 Crataegus sp. 



Leguminosae 

 Trifolium repens, L. 

 Cercis canadensis, L. 



