Sentence:  I beg leave to differ from you in printing the etymology of names that are from the Greek in English, and not in Greek letters. I think they would answer the end in view much better if they were in Greek characters; it would be far more conducive to a general knowledge of botanical <WSD>glossology</WSD>, and a greater stimulus to the student. 
Meaning of the word marked with <WSD> tags:  The naming of parts of plants.