[BOTANY]. MICHAUX, Andrew F. The North American Sylva. Philadelphia, 1853. 3 vols. 8o. Numerous colored plates, original pictorial cloth gilt (2 spines rebacked with library tape). -- ROGERS, Walter, E. Tree Flowers of Forest, Park and Street. Appleton, 1953. 4o. Numerous photographic plates. Cloth. -- McKELVEY, Susan Delano. The Lilac. New York, 1928. 4o. Numerous photographic plates. Cloth (joints tender). (9)