"I mean in the same way as plants do in a garden ?" "No, my boy," replied the other.

"They attach themselves to the rocks at the bottom of the sea, not to draw their sustenance from them in the same way as plants ashore derive their nourishment from the earth through their roots; but, simply to anchor themselves in a secure haven out of reach of the waves, getting all their nutriment from the water, which is the atmosphere of the sea in the same way as air is that of the land.

Of course, some of these weeds of the ocean drift from their moorings, like that bladder wrack there with the berries." "Don't they pop jolly!" observed Master Bob, popping away as he delivered himself of this opinion.

"Pop! There goes one!" "You are not the only boy who has found that out, or girl either," said the Captain with a smile to Nellie, who was industriously following her brother's example.

"But, look here, children, I can now see something stranger than anything we've noticed yet." "What ?" exclaimed Bob and Nellie together, stooping down to where the Captain was poking about with the end of his malacca cane in the sandy shingle.