From Wavell's A Modern Pilgrim in Mecca (1913), p. 138:
Sir Richard Burton got into hot water with many people for translating literally and without expurgation the “Arabian Nights.” A perusal of his work will give the reader an idea of how strange a medley of grave and gay, religion and superstition, high moral precepts and cynically immoral episodes is Arabic literature. The “Arabian Nights,” however, even in its most unrestrained passages, is petite bière compared with some other well-known books. One in my possession, entitled very inappropriately “Flowers of the Spring,” was written by a learned doctor of sacred law for the purpose, so he says in his introduction, of affording entertainment and distraction to his pupils when wearied by their arduous theological studies. [...]
Is this book "Flowers of the Spring" available in a modern edition?
Casual googling did not turn up anything likely-looking.