Sentence:  Here, be gardens of Hesperian mould, / Recesses rare, temples of birch and fern, / Preserves of light-green <WSD>Sumac</WSD>, Ivy thick, / And old stone-fences tottering to their fall, [...] 
Meaning of the word marked with <WSD> tags:  Any of various shrubs or small trees of the genus "Rhus" and other genera in Anacardiaceae, particularly the (elm-leaved sumac), (Sicilian sumac), or (tanner's sumac) ("Rhus coriaria").