-*- 



.^i- ■■J. ^t-^'- -' ^s 



:r. A 



1 -^ 



H , t 



•# 



favour 



days. But I 



CIS THE GEBMINATION OF SEEDS. 135 



off estuaries, I assumed that plants, with ripe seeds, 

 the sea by rivers, landslips, &c., might be drifted 

 :s during a period of some weeks. The closing of the 

 », and heads of the Cofipositce^ &c., when wetted, and 

 iig when cast on shore and dried, the seeds being 

 !0 be driven inland by the first stormy winds, seemed 

 ii means of transport. But in putting 34 plants of 

 t orders, with ripe fruit, into salt w^ater, one alone, the 

 yu$^ floated for a month, being buoyed up by its fruit ; the 

 simk in 21 days, some in 5, and several in 7, 9, and 11 



trial 



warm and dark 



^ight have favoured their decay. Finally I may remark, that the 



days 



very 



lants will float for this period 

 currents in the Atlantic Ocean, 

 las," is 33 miles per diem (the 



mam EmmfnTnoi ^ii«mr^^4- piiTii-iiri 



Cape Stream at 80 miles per diem) ; and therefore I conclude. 



under 



forming 



opmion, that some plants might under favourable conditions 

 transported over arms of the aea 300 or even more miles in bread 



with 



u. 



1w^*\ 



^gtt become naturalized. 



In the following list, to save repetition, I have marked the 

 plants tried by Mr. Berkeley, and which germinated after a 

 month's immersion, wdth f; when they did not germinate, this is 

 expressly stated. The "cold water ' ' refers to the seeds placed in 



salt water in the tank with snow. / ^ 



I have arranged the families in accordance with Lindley's 



"Vegetable Kingdom." 



ENDOGENS. 

 (Geamine^.) 



(common pats) : after 85 days' immersion germinated 



snmn. 



half.germinated 



^ .* 



V "J --■ ^^- 





/^^-'- 



-^--■-:'-:tj^.- ■ '- 



JIord€U7n (cijmmon barley) : germinated well after 28 days, bu 

 ' none after 42 dayr: in the cold water well after 30 days (t) - 



wheat) 



4 ^&^^ ^^^^<^^i« CamriensU: after 70 days nearly all germinated 







■ ■-■ ■-,- 



^; -.■; 



■r. ■ 



,- 







