"Now she has thrown down her white stone," said Rollo, "and has begun to gather flowers."
"There is an immense number of plants that grow in and upon the Coliseum," said Mr. George. "A botanist once made a complete collection of them. How many species do you think he found?"
"Twenty," said Rollo.
"Guess again," said Mr. George.
"Fifteen," said Rollo.
"O, you must guess more, not less," said Mr. George.
"Thirty," said Rollo.
"More," said Mr. George.
"Forty," said Rollo.
"Add one cipher to it," said Mr. George, "and then you will be pretty near right."