ON THE VITALITY OF SEEDS. 177 


























Twelfth Report of a Committee, consisting of H.E.Strick.anp, Esq., 
Professor DauBENY, Professor HunsLow, and Professor LinDLEy, 
appointed to continue their Experiments on the Growth and Vitality 
of Seeds. 
Tue seeds set apart for this year's sowing were those collected in 1844, and 
it is the third time that the same kinds have been subjected to experiment. 
There is a very evident decrease in the numbers which have vegetated when 
compared with those of previous sowings, as will be seen by reference to the 
annexed table. 
< It being still desirable for the continuation of these experiments that seeds 
of known date should be added to the Depét at Oxford, more especially of 
families and genera not already there, we again beg to call the attention of 
the Members to the subject; and to guide them in the selection, we refer 
them to the List of Genera, the seeds of which are now in our possession, 
given in p. 32 of the Report of this Association for 1848. 
No. of Seeds of each} -.. 
Species which vege- ee ee 
tated at y 
Name and Date when gathered. | No- 
sown. 
Chis-| Ox- | Cam- | Chis- 
- | wick.| ford.| bridge. | wick. 
1844, 
- Ammobium alatum 
. Asparagus officinalis . 
. Alstroemeria aurantia 
. Argemone mexicana ...... 100 15 { Soup and 
. Bryonia dioica veae? fe 
. Carthamus tinctorius 
. Carum Carui 
9. Crambe maritima 
10. Chenopodium Botrys 
11. Eschscholtzia californica . 
12. Helleborus fcetidus 
18. Linaria Prezii............... 
14, Seorzonera hispanica 
Saponaria annua............ 
. Solanum ovigerum.. 
Sium Sisarum 
Sanvitalia procumbens ... 
Tragopogon porrifolium... 
20. Vesicaria grandiflora ...... 
21. Madia splendens 
re Strong and 
22. Malva maritima : healthy. 
Strong and 
healthy. 


Sown at Oxford on the 18th of June in pots and placed in a cold frame, 
at Cambridge on the 21st of June in the open border, and at Chiswick on 
June 10th in pots placed in slight heat. 
is 9 EEE 
