Oct. 15. 19U Heart-Rot of Oaks and Poplars 73 



Germany: 



On Quercus sp. — ROBERT HarTig (from Herb. Von Tubeuf); Pfeiffer (Herb. 

 N. Y. Bot. Gard.), part of the type specimen for Polyporus friesii; Berlin, Lloyd 

 (Herb. Lloyd). 

 Austria: 



On Quercus ilex. — Travnik, Rev. E. Brandis (No. 08864, Herb. Lloyd). 

 Denmark: 



On Populus (?) sp. — J. LiND (No. 06339, Herb. Lloyd). 

 Finland: 



On Populus sp.— Murtiala, Sept., 1882 (No. 5724, Herb. N. Y. Bot. Gard.). 

 Sweden: 



On Quercus robur. — Stockholm, Romell, Oct., 1903 (Herb. N. Y. Bot. Gard.), and 

 a second specimen, collector unknown (Herb. N. Y. Bot. Gard.). 



On Quercus sp. — Upsala, Lloyd (No. 08936, Herb. Lloyd); Stockholm, Romell (No. 

 08936, Herb. Lloyd). 



On Populus tremula. — Stockholm, Romell, June 25, 1905 (Herb. N. Y. Bot. Gard.), 

 and a second specimen, Murrill (Herb. N. Y. Bot. Gard.); Stockholm, Hagelund 

 (No. 08985, Herb. Lloyd). 



On Populus sp. — Hagelund (No. 09375, Herb. Lloyd); Stockholm, Romell (No. 

 08414, Herb. Lloyd). 

 France: 



On Pinus (?) sp. — Fontainebleau, P. Hariot (No. 08880, Herb. Lloyd); this speci- 

 men from France was reported as on pine, and has spores similar in size and shape to 

 those growing on species of Populus and a sporophore much like those found on species 

 of Quercus. 



DISTRIBUTION IN UNITED STATES 



Polyporus dryophilus has been reported from and collected in the various States of 

 this country as follows: 

 Maine: 



On Populus iremuloides. — Piscataquis Co., Murrill, in 1905 (Herb. No. 1901, N. Y. 

 Bot. Gard.). 



On Betula (?) sp. — Near Moosehead Lake, Von Schrenk, in 1899 (Herb. N. Y. 

 Bot. Gard). 

 New Hampshire: 



On Populus grandideniata. — Chocorua, Farlow (?), in 1904 (Herb. W. G. Farlow). 

 New York: 



On Quercus alba. — Bronx Park, Murrill, in 1908 (F. P. 1416). 

 Penns\'lvania: 



On Qu4!rcus (?) sp. — Kittanning, SuMSTiNE 32 (Herb. N. Y. Bot. Gard.). 

 Maryland: 



On Quercus alba, Q. cocchiea, and Q. minor. — Takoma Park, Hedgcock, in 1910. 

 Ohio: 



On Quercus (?) sp. — M. A. Curtis, "Ex. Berkeley" (Herb. W. G. Farlow); Preston 

 (?), A. P. Morgan, in 1887 (Herb. N. Y. Bot. Gard.); Preston, A. P. Morgan (0598); 

 and Akron, C. D. Smith (07556, Herb. Lloyd). 

 Virginia: 



On Quercus prinus. — Elkins, Long, in 1913 (F. P. 12418). 



On Quercus (?) sp.— Falls Chtirch, LuTTrEll, in 1902 (Herb. N. Y. Bot. Gard.). 

 North Carolina: 



On Quercus prinus. — Brim, Long. 



On Quercus veluiina. — Jonesboro, P. L. Buttrick, in 1913 (F. P. 15045). 



