Final answer:
The hybrid lemon tree is called the Meyer Lemon, after Frank N. Meyer who introduced it to the U.S. in 1908. The correct answer is not listed among the options provided.
Step-by-step explanation:
The hybrid lemon tree mentioned in the question is named after Frank N. Meyer, an employee of the United States Department of Agriculture (U.S.D.A.), who introduced it to the United States in 1908. Therefore, the correct answer is none of the options provided (a) Washington Lemon, (b) Jefferson Lemon, (c) Lincoln Lemon, or (d) Roosevelt Lemon. The lemon is actually called the Meyer Lemon, which is not listed as one of the options. Meyer lemons are a cross between a true lemon and a mandarin orange or a common orange. This variety is sweeter and less acidic than the conventional lemon found in most grocery stores and has a multitude of culinary uses.
SUMUP of the final answer:
- The hybrid lemon tree is named after Frank N. Meyer of the U.S.D.A.
- It was introduced to the U.S. in 1908.
- The correct name is Meyer Lemon, which is not listed in the given options.