192 — 



the seed-like fruits) were chosen for the experiment. These were 

 sown in boxes in the green house, April 13, 1889, and as noted 

 above were all ten years old. Out of the thirty-two kinds sown, 

 only ten germinated up to the end of the experiment. May 30, as 

 shown in the following table : 



4) 1^ 



3 

 10 



13 

 15 

 23 

 29 



30 

 31 



Kind of Seed. 



Pigweed. Green Amaranth. (Amaranthus alljus). 

 Thj^me-leaved Sandwort. (Arenaria serpyllifolia) 



Purslane. (Portulaca oleracea) 



Carrot. (Daucus carota) 



Narrow-leaved Plantain. (Plantago lanceolata) . 



Pigweed. (Cheno])odium album) 



Red-root. Pigweed. (Amaranthus retroflexus). . 

 Dock. (Rumex — species not known) 



It should be noted that the conditions for germination in the 

 green house were probably not so favorable as in an out-door seed 

 bed, as the atmosphere was constantly near the point of satura- 

 tion and the .soil for the most part too moist. 



In the following table the kinds of seeds of which no germina- 

 tion took place are given : 



Tall Buttercup. (Ranunculus acris.) 

 Wild Parsnip. (Pastinaca sativa.) 

 Alyssum. (Alyssum calycinum.) 

 Shepherd's-purse. (Capsella Bursa- 



pastoris. ) 

 St. John's-wort. ( Hypericum per- 

 foratum.) 

 Soapwort. (Saponaria officinalis.) 

 Catchfly. (Silene noctiflora.) 

 Cockle. (Lychnis Githago.) 

 Chickweed. (Stellaria media,) 

 Mouse-ear Chickweed. (Cerastium 



viscosum.) 

 Sweet Clover. (Melilotus alba.) 



Caraway. (Carum carui.) 

 Cone-flower. (Rudbeckia hirta.) 

 Dandelion. (Taraxacum dens-ieonis.) 

 Salsify. (Tragopogon porrifolius.) 

 Plantain. (Plantago major. ) 

 Toad-flax. (Linaria vulgaris.) 

 Speedwell. (Veronica arvensis. ) 

 Wheat-thief. Red-root. (Lithosper- 



mum arvenss.) 

 Gromwell. ( Lithospermum offici- 

 nale.) 

 Hound's-Tongue. (Cynoglossum of- 

 ficinale.) 

 Sheep sorrel. (Rumex acetosella.) 



The plants indicated in table I were allowed to grow until they 



were from two to four inches in height. All appeared strong and 



vigorous as though quite capable of asserting their rights had 



they begun their career in field or garden. 



A. N. PRENTISS. 



