104 HORTICULTURIST'S RULE-BOOK. 



By count. 



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 



5. Longevity of Garden Seeds. 



Adapted from Vilmorin's Tables. 



The plus sign denotes that the seeds had not all lost their 



germinating power at the termination of the number of years 

 recorded. 



Average Extreme 



years. years. 



Angelica 1 or 2 3 



Anise 3 6 



Asparagus Bean (Dolichos sesquipedalis) . . 3 8 



Balm 4 7 



Basil 8 10+ 



Bean 3 8 



Beet , 6 10+ 



Borage 8 10+ 



Borecole 5 10 



Broccoli . 5 10 



Cabbage 5 10 



Caraway 4 



Cardoon 7 9 



Carrot, with the spines 4 or 5 10+ 



" without the spines 4 or 5 10+ 



Catmint 6 10+ 



Cauliflower 5 10 



Celery 8 10 



Chervil 2 or 3 6 



" Sweet-scented 1 1 



" Turnip-rooted 1 1 



