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JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



they were out of doors). The others were planted in the open garden, 

 and remained there till November. All grew and flowered freely, and 

 produced numerous seed-berries, nearly all of which contained seed. 

 Curiously, however, on© of the earliest and largest berries [on plant 

 No. 2] : which I had selfed was seedless. The seeds are being kept 

 and will be carefully sown in March 1910, in the hope that Fa may 

 show Mendelian segregation. Several berries have also besn got by 



B 



Fig. 58. — S. Commersonii x S. tuberosum. 



A, Earlier flowers of tuberosum shape ; B, later flowers of 

 Commersonii shape. 



fertilising the above hybrids with pollen of S. tuberosum, its pollen- 

 parent, and the seed will be sown with a similar object. The original j 

 cross S. Commersonii X S. tuberosum has also been repeated in 1909, 

 in order to compare with and check the previous year's results. 



Several of the hybrids were still growing in January (1910) in fair ' 

 vigour ; and in mid-December (1909) they were still flowering, and were j 

 selfed and crossed and forming berries which are now ripening. 



