Fhlk : I.ICHEXS OF THE MINNESOTA VALLEY. 319 



98. Lecanora xanthophana Nvl. 



On granite, quartzite and pipestone, common. Mankato, 

 June 30, 1899, no. 197. New Ulm, July 5, 1899, no. 246. 

 Morton, July 7, 1899, no. 313. Redwood Falls, July 8, 1899, 

 no. 331. North Redwood, July 10, 1899, no. 368. Granite 

 Falls, July 11, 1899, no. 41S. l^ipestone, July 18, 1899, "^^• 

 598 and 611. 



99. Lecanora cervina (Pers.) Nyl. 



On bowlders and sandstone, infrequent. Mankato (Rapidan), 

 June 28, 1899, no. 179. Mankato, June 29, 1899, no. 192. 



100. Lecanora cervina (Pers.) Nyl. var. cinereoalba var. nov. 

 On granite, frequent. Mankato, June 29, 1899, '^^' ^9°- 



Granite Falls, July 11, 1899, nos. 385 and 403, and July 12, 

 1899, no. 404. 



Thallus gray or grayish white. 



loi. Lecanora fuscata (Schrad.) Th. Fr. 



On bowlders, common at Mankato. Mankato, June 29, 1899, 

 no. 191. Granite Falls, July 12, 1899, no. 450. 



102. Lecanora bookii (Fr.) Th. Fr. 



On limestone, rare. Mankato, June 29, 1899, no. 193. 

 Not previously reported from Minnesota and new^ to the Mis- 

 sissippi vallev. 



103. Lecanora privigna (Acii.) Nyl. 



On sandstone and calcareous drift pebbles, rare. Mankato 

 (Rapidan), June 28, 1899, no. 171. Granite Falls, July 13, 

 1899, no. 508. 



104. Lecanora privigna (Acii.) Nye. var. pruinosa Auct. 

 With last on same substrata, rare. Mankato (Rapidan), June 



28, 1899, no. 170. Granite Falls, July 14, 1899, no. 514. 



105. Rinodina oreina (Ach.) Mass^ 



On granitic rocks, quartzite and catlinite, abundant. Man- 

 kato, June 30, 1899, no. 201. New Ulm, July 5, 1899, no. 

 245. North Redwood, July 10, 1899, no. 367. Pipestone, 

 July 18, 1899, nos. 602, 603 and 605. 



106. Rinodina sophodes (Acii.) Nyl. 



On trees, old wood and rocks, abundant. Mankato, June 23, 

 1899, no. 33, June 24, 1899, no. 93, and June 26, 1899, no. 

 115. New Ulm, July 5, 1899, '^os* -^7' ^95 "^^^ 298- Granite 

 Falls, July 11, 1899, nos. 427 and 428, and July 13, 1899, "°s- 

 469, 486, 487 and 491. 



