Chapter 1. Viola
_ CHAPTER I. VIOLA
1. Although I have not been able in the preceding volume to complete, in any wise as I desired, the account of the several parts and actions of plants in general, I will not delay any longer our entrance on the examination of particular kinds, though here and there I must interrupt such special study by recurring to general principles, or points of wider interest. But the scope of such larger inquiry will be best seen, and the use of it best felt, by entering now on specific study.
I begin with the Violet, because the arrangement of the group to which it belongs--Cytherides--is more arbitrary than that of the rest, and calls for some immediate explanation.
2. I fear that my readers may expect me to write something very pretty for them about violets: but my time for writing prettily is long past； and it requires some watching over myself, I find, to keep me even from writing querulously. For while, the older I grow, very thankfully I recog

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