Dec.6. 19IS Honeycomb Heart-Rot of Oaks 427 



DISTRIBUTION OF STEREUM SUBPILEATUM 



The rot caused by 5^. suhpileatum is rather widely distributed in cer- 

 tain sections of the United States, having been found in eight States:. 

 Arkansas, Kentucky, Florida, Louisiana, Mississippi, Missouri, Ohio, and 

 Virginia. Authentic specimens of the fungus have also been examined 

 from Mexico. The sporophores of the fungus are frequent and the rot 

 caused by it is common in Arkansas, Mississippi, and Louisiana. 



DISTRIBUTION IN AMERICA 



5. siibpilcatiim has been reported from and collected in the various 

 States of this country as follows: 



Arkansas : 



On Quercus a/5a.— Casteel, Long, in August and December, 1912 (F. P. 12136,^ 

 12178, 12194, 12629, 12729, 18619, 19026); Arkansas National Forest, Long, in Sep- 

 tember, 1913 (F. P. 12703, 19016). 



On Quercus nigra. — Arkansas City, Long, in November, 1913 (F. P. 19065). 



On Quercus palustris. — Arkansas City, Long, in November, 1913 (F. P. 18405). 



On Quercus phellos. — Arkansas City, Long, in November, 1913 (F. P. 19064). 



On Quercus rubra. — Lake Village, Long, in November, 1913 (F. P. 19071). 



On Quercus texana. — Arkansas National Forest, Long, in September, 1913 (F. P. 

 18502, 18715). 



On Quercus velutina. — Arkansas National Forest, Long, in September, 1913 (F. P. 

 12567, 12724); White Rock, Long, in September, 1912 (F. P. 12242). 

 Florida : 



On Liquidambar styraciflua. — (?) G. C. FishER (No. 07643, Herb. Lloyd). 



On Quercus sp. — C. G. Lloyd, in Februar>-, 1899 (No. 4846, Herb. Lloyd); Lake City, 

 Rolfs and Fawcett, in March, 1906 (Herb. Lloyd). 



On Quercus uirginiana. — New Smyrna, Long, in March, 1914. 



On Quercus sp. (?).— Gainesville, H. S. Fawcett (No. 08090, Herb. Lloyd). 



On wood.— G. C. Fisher (No. 07849, Herb. Lloyd). 

 Kentucky : 



On Quercus sp. (?).— Mammoth Cave, C. G. Lloyd, in July, 1897 (No. 2798, Herb. 

 Lloyd). 

 Louisiana : 



On prostrate logs, St. Martinsville, Langlois, in April, 1897 (No. 2428, Herb. Lloyd 

 No. 5). 



On Quercus lyrata. — Lutcher, Long, in November, 1913 (F. P. 19067, 19091). 

 Mississippi : 



On Qtiercu? phellos. — Stoneville, Long, in November, 1913 (F. P. 18722). 

 Missouri: 



On Quercus palustris (?).— Steelsville, Spaulding No. 44 (F. P. 12955). 

 Omo: 



On wood. — Cincinnati, A. P. Morgan (Herb. Lloyd). 

 Virginia: 



On Quercus alba. — Great Falls, Long, in 1914. 



On Quercus coccinea. —YQitch, Long, in 1913 (F. P. 12571). 



On Quercus prinus. — Arlington, Long, in 1914. 



On Quercus velutina. — Park Lane, Long, in 1914. 



I "F. p. " = Forest-Pathology Investigations number. 



