320 MINNESOTA BOTANICAL STUDIES. 



107. Rinodina sophodes (Acn.) NYL. var. tephraspis TUCK. 

 On quartzite, rare. Pipestone, July 18, 1899, no. 632. 

 Not previously reported from Minnesota. 



108. Rinodina sophodes (Acn.) NYL. var. exigua FR. 



On old wood, locally common. Mankato, June 22, 1899, 

 no. 22. Granite Falls, July u, 1899, no. 434. 



109. Rinodina bischoffii (HEPP.) KOERB. 



On limestone and granite, rare. Mankato, June 29, 1899, 

 no. 194. Morton, July 7, 1899, no. 316. 

 Not previously reported from Minnesota. 



no. Rinodina lecanorina MASS. 



On boulders, rare. Mankato, June 26, 1899, no. 127. 



Not previously reported from Minnesota and new to North 

 America. 



in. Pertusaria velata (TURN.) NYL. 



On trees, rare. Mankato (Minneopa Falls), June 26, 1899, 

 no. 135. 



112. Pertusaria pustulata (Acn.) NYL. 



On trees, rare. Mankato, June 23, 1899, no. 30, and July 

 i, 1899, no. 214. 



113. Pertusaria leioplaca (AcH.) SCHAER. 



On trees, rare. Mankato, June 23, 1899, no. 68. 



114. Urceolaria scruposa (L.) NYL. 



On earth and rocks, infrequent. Mankato, June 26, 1899, 

 no. 128. Mankato (Rapidan), June 28, 1899, no. 187. Red- 

 wood Falls, July 8, 1899, no. 332. Granite Falls, July n, 

 1899, no. 393. Pipestone, July 19, 1899, no - ^4- 



115. Urceolaria actinostoma PERS. 



On granite, rare. Granite Falls, July u, 1899, no. 416. 

 Not previously reported from Minnesota. 



116. Stereocaulon paschale (L.) FR. 



On mossy rocks, only seen once in small quantity. Red- 

 wood Falls, July 8, 1899, no. 359. 



117. Cladonia symphycarpia FR. var. epiphylla (Acn.) NYL. 

 On earth, rare. Mankato, June 26, 1899, no. 108. 



118. Cladonia mitrula TUCK. 



On earth, rare. Mankato, June 26, 1899, no. 98. Granite 

 Falls, July n, 1899, no. 436. The last a small form approach- 

 ing Cladonia c&sj)iticia (Pers.) Fl. 



