Seed Tables. 83 



Ifmnber of Tree-Seeds in a Pound (Forest Trees), continued. 



By count. 



Osage Orange Madura aurantiaca . . . 10,656 



Silver Fir Abies pectiuata 12,000 



Box Elder Acer Negundo 14,784 



Hardy Catalpa Catalpa speciosa 19,776 



A.ilantus Ailantus glandulosa . . . 20,161 



White Pine Pinus Strobus 20,540 



Scarlet Maple Acer rubrum 22,464 



Green Ash Fraxinus viridis 22,656 



Black Locust Robinia pseudacacia . . . 28,992 



Red Elm Ulmus fulva 54,359 



American White Elm Ulmus Americana .... 92,352 



American Mountain Ash . . . Pyrus Americana .... 108,327 



White Birch Betula alba 500,000 



4. Longevity of Garden Seeds. 



Adapted from Vilmorin's tables. 



The number denotes that the seeds had not all lost their ger- 

 minating power at the termination of the number of years re- 

 corded. 



Average Extreme 



Years. Kears. 



Angelica 1 or 2 3 



Anise 3 5 



AsparsLgus-Boan {Dolichos sesquipedalis, 1j.) . . 3 8 



Balm 4 7 



Basil 8 10-f 



Bean 3 8 



Beet 6 10-f 



Borage 8 lO-j- 



Borecole 5 10 



Broccoli 5 10 



Cabbage 5 10 



Caraway 3 4 



Cardoon 7 9 



Carrot, with the spines 4 or 5 10-j- 



" without the spines 4 or 5 10-{- 



Catmint 6 10-|- 



Cauliflower 5 10 



