and extremity of each leaf are entire, destitute of glands: all the leaves are either perfectly smooth in every part, or a little sprinkled with minute inconspicuous hairs; dark-green above; glaucous and reticulated with veins beneath. Footstalks slender, smooth. Stipulæ crescent-shaped, mostly serrated, various in size.
To the tribe which this paper is intended to illustrate belong (besides a few smaller species, which have little affinity with those already mentioned) two well-known trees, the S. vitellina and the S. fragilis. There will have a place in the Flora Britannica, though it may be doubted whether the former be really indigenous. As, however, I have nothing new to fay concerning them, but, on the contrary, am waiting for more information than I have yet been able to obtain concerning the fructification of both, I will not add to the length of this treatise by any imperfect descriptions. Some remarks of Professor Hoffmann lead me to suspect we may have more than one species in England under the name of fragilis, but that I must leave for future inquiry.
My worthy friend the Rev. Mr. Abbot of Bedford, so wel-known to this Society, has favoured me with one, if not two, entirely new English Willows, which belong to this first section of the genus, and which promise to be important in an œconomical view. I lament that the want of their fructification, and a longer time to observe their growth and different appearances, oblige me to postpone any further mention of them at present.
