. Bulletin - Biological Survey. Zoology, Economic. SWEET GUMS AND SYCAMORES 39 Camphor tree (Cinnamomum camphora).—Camphor trees which were abundantly punctured were observed at Gainesville, Fla., and at Abbeville, La., the writer was informed that two camphor trees planted near that town had been killed by sapsuckers. THE SWEET GUM FAMILY (aLTINGIACE^e). Only one species of this family occurs in the United States. It is vigorously attacked by sapsuckers apparently throughout its range, but, so far as we know, is never killed. Sweet gum (Liquidambar styracijlua) .—A tree in the Agri
. Bulletin - Biological Survey. Zoology, Economic. SWEET GUMS AND SYCAMORES 39 Camphor tree (Cinnamomum camphora).—Camphor trees which were abundantly punctured were observed at Gainesville, Fla., and at Abbeville, La., the writer was informed that two camphor trees planted near that town had been killed by sapsuckers. THE SWEET GUM FAMILY (aLTINGIACE^e). Only one species of this family occurs in the United States. It is vigorously attacked by sapsuckers apparently throughout its range, but, so far as we know, is never killed. Sweet gum (Liquidambar styracijlua) .—A tree in the Agricultural Department grounds has a great many girdles of sapsucker pecks. At the San tee Club, South Carolina, almost every sweet gum tree bears sapsucker work, the bark of some being perforated as thickly as possible from top to bottom. At Gaines- ville, Fla., a large pro- portion of the trees are abundantly punc- tured, and the tree seems as much a fa- vorite at Abbeville, La. THE SYCAMORES (PLATANACEiE). Two of the three native species are at- tacked by sapsuckers, and although the work disfigures the smooth white known to decrease the vitality of the Sapsucker work on California sycamore {Platanus racemosa). bark, it is not LIST OF PLATANACE/E ATTACKED. Sycamore (Platanus occidentalis).—Longbridge, La. California sycamore (Platanus racemosa).—California (A. A. and 244). (Fig. 7.) THE ROSE FAMILY (ROSACEA). All of the five arborescent species of this family occurring in the United States are attacked by sapsuckers, and one (Cercocarpus ledifolius) is known to be much Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Bureau of Biological Survey. Washington : Govt. print. off.
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