- ON THE GEKMINATION OF SEEDS. 139 



Solanum tuberosum : germinated excellently after 70 days, well 

 after 100 ; all dead after 120 days. 



ly coper sicum (common tomato) : one seed germinated 



after 22 days' immersion, the rest were killed by 36 and 50 

 days' immersion, (t But Mr. Berkeley found that they ger- 

 minated after a month.) 



t * 



t None of these were found by Mr. 

 Berkeley to germinate after a 

 month's immersion. 



Convolvulus tricolor : after having been 7 days in the salt water, 

 many of the seeds germinated, and the embryos came out of 

 the husks : of those which did not germinate under water, 

 one germinated after 36 days' immersion. 



(Polemoniaceje and Htdeophtllace^:.) 



Gilia tricolor (t was killed by a month's immersion). . 

 Phlox Drummondii : of old seed none germinated after 11 days ; 



but of fresh seed, 3 out of many germinated after 15 days, 



and none after 25 days' immersion. 

 Eutoca viscida. 

 Nemophila insignis. 



atomaria. 



maculata. 



discoidalis. j 



Borago officinalis : a few came up after 14 days' immersion, one 



after 28 days, and none after 42 days. 

 ^Nolana grandiflora. 

 Satureja (common savory) : after 42 days, 3 seeds out of many 



germinated. 

 Campanula Pentagonia (fdid not germinate after a month's 



immersion) . 

 fFedia graciliflora. 

 fFedia (corn salad). 



(Composite.) 



Lactuca sativa (common lettuce) : after 56 days' immersion -^ 

 of the seed came up ; after 85 days only one out of several 

 germinated. Cold water had no marked effect, but after 65 

 days they germinated rather better than the others (f). 



fdchorium JEndivia. 



Galinsoga trilobata : germinated after 22 days. 



Aster Chinensis (mixed German varietes) : germinated after 28 

 days ; all dead after 54 days' immersion. 



