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



collected when ripe or mature, from June to September, and planted 

 at once. All failed to sprout. 



Gramineae 

 Bromus hordeacus, L. 



Cyperaceae 



Carex Shortiana, Dewey. 

 Carex gravida, Bailey. 

 Carex Muhlenbergii, Schkuhr. 



Liliaceae 

 Allium canadense, L. 



Rosaceae 



Potentilla monspliensis, L. 

 Prunus Cerasus, L. 

 Prunus virginiana, L. 

 Rubus strigosus, Michx. 

 Rubus occidentalis, L. 

 Rubus nigrobaccus, Bailey. 



Betulaceae 

 Betula alba, L. 

 Betula nigra, L. 



Nyctaginaceae 

 Oxybaphys floribundus, Chois. 



Ranunculaceae 

 Aquilegia sp. 

 Aquilegia canadensis, L. 



Anonaceae 

 Asimina triloba, Dunal. 



Berberidaceae 

 Podophyllum peltatum, L. 



Cruciferae 



Lepidium virginicum, L. 

 Arabis canadensis, L. 



Leguminosae 

 Strophostyles helvola, (L.) BSP. 



Staphyleaceae 

 Staphylea trifolia, L. 



Malvaceae 

 Abutilon Theophrasti, Medic. 



Plantaginaceae 



Plantago virginica, L. 

 Plantago aristata, Michx. 



Caprifoliaceae 

 Lonicera tatarica, L. 



Compositae 



Taraxacum officinale, Weber. 

 Sonchus asper, (L.) Hill. 



The following list of species includes those from which no germi- 

 nation was secured from either green or ripe seeds : 



Lilfaceae 

 Polygonatum biflorum, (Walt) Ell. 



Betulaceae 

 Ostrya virginiana, (Mill) K. Koch. 



Urticaceae 

 Celtis occidentalis, L. 



Rosaceae 



Rosa rugosa, Thunb. 

 Physocarpus opulifolius, (L.) Maxim. 



Rutaceae 



Xanthoxylum americanum, Mill. 

 Ptelea trifoliata, L. 



Aceraceae 



Acer saccharum, Marsh. 



Oleaceae 



Fraxinus americana, L. 

 TABLE 8. SPECIES COLLECTED WHEN RIPE OR MATURE AND PLANTED IMMEDI- 

 ATELY, BETWEEN JUNE 8 AND JUNE 21, 1912, DID NOT BEGIN GERMINATING 

 UNTIL FALL, AND GERMINATION WAS NOT COMPLETE UNTIL OCTOBER 30 



