BASSWOODS, TAMARISKS, AND MANGROVES ATTACKED. 47 



THE BASSWOOD FAMILY (tILIACE^). 



Four of the eight native trees of this family are attacked by sap- 

 suckers and two introduced species. Swollen girdles are a character- 

 istic result, sometimes greatly disfiguring these valuable ornamental 

 trees. One species ( Tilia americana) is known to be killed (see p. 46). 



LIST OF TLLIACE^E ATTACKED. 



Basswood ( Tilia americana) . — Randolph County, W. Va. (H. 6801) 

 Waukegan, 111., May 2, 1909, M. S. Giles; Wisconsin, Hoy (1865) 

 Illinois (F. 26405 and 26490) ; AUenton, Mo. (A. A. and A. M. 88) 

 Butler County, Mo. (F. 73188); Department of Agriculture grounds, 

 District of Columbia; Plummers Island, Md.; Rocknsk Valley, Va. 



Basswood (Tilia heterophylla) . — Tennessee (A. A. and A. M. 87). 



Basswood (Tilia michauxii). — West Virginia (F. 74773). 



Basswood (Tilia pubescens). — Abbeville, La.; Florida (A. M. 86). 



Linden (Tilia europea). — Department of Agriculture grounds, 

 District of Columbia. 



Silky linden (Tilia tomentosa) . — Department of Agriculture 

 grounds, District of Columbia. 



THE FREMONTIA FAMILY (CHEIRANTHODENDRACE^). 



The single native representative of this family is attacked by 

 sapsuckers. 



Fremontia (Fremontodendron calif ornicum) . — San Jacinto Moun- 

 tains, Cal. (A. A. and A. M. 85). 



the tamarisk family (tamaricace^e.) 



The single introduced species is attacked by sapsuckers. 

 Tamarisk (Tamarix gallica). — Belle Isle, La. 



THE OLEASTER FAMILY (EL^EAGNACE^) . 



One introduced species of this family is known to be attacked by 

 sapsuckers. 



Silver oleaster (Elseagnus umbeUata). — Department of Agri- 

 culture grounds, District of Columbia. 



THE WHITE MANGROVE FAMILY (COMBRETACE^) . 



All the native species, three in number, are attacked by sapsuckers. 



LIST OF COMBRETACEjE ATTACKED. 



Buttonwood (Conocarpus erecta). — Florida Keys (A. A. and 

 A. M. 70). 



Black olive tree (Bucida buceras). — Elliotts Key, Fla. (A. A. and 

 A. M. 69). 



