Fink : lichens of the Minnesota valley. 327 



179. Endocarpon fluviatile DC. 



On rocks frequently wet, infrequent. Morton, July 7, 1899, 

 no. 322. Granite Falls, July 12, 1899, 448a. 



180. Endocarpon arboreum Schwein. 



On trees and shaded rocks, once seen on each. Redwood 

 Falls, July 6, 1899, no. 308, and July 8, 1899, no. 339. 

 Not previously reported from Minnesota. 



181. Endocarpon hepaticum Ach. 



On earth and sandstone, common. Mankato (Rapidan), 

 June 28, 1899, no. 175. New Ulm, July 4, 1899, no. 235, and 

 July 5, 1899, no. 244. North Redwood, July 10, 1899, no. 

 364. Granite Falls, July 11, 1899, no. 384. Pipestone, July 

 18, 1899, ^^- ^^3- 



182. Endocarpon pusillum H ED w. 



On limestone bluffs, sandstone, calcareous drift pebbles, and 

 once on earth, common. Mankato, June 23, 1899, no. 39. 

 New Ulm, July 4, 1899, no. 236. Granite Falls, July 12, 

 1899, no. 442, July 13, 1899, no. 509, and July 14, 1899, 

 no. 526. 



183. Endocarpon pusillum Hedw. var. garovaglii Kph. 



On earth and sandstone, frequent. Mankato, July i, 1899, 

 no. 219. Mankato (Rapidan), June 28, 1899, no. 186. New 

 Ulm, July 5, 1899, no. 282. Morton, July 7, 1899, no. 317. 

 Pipestone, July 18, 1899, no. 616. 



184. Thelocarpon prasinellum Nyl. 



On old wood and sandstone, frequent. Mankato, June 22, 

 1899, no. 6, and June 26, 1899, no. 132. 



I cannot bring that on sandstone under any of the rock species, 

 and it seems to belong here. 



185. Staurothele umbrina (Wahl.) Tuck. 



On granite, limestone and quartzite, frequent. Mankato, 

 June 23, 1899, no. 82. Granite Falls, July it, 1899, no. 412, 

 July 15, 1899, no. 547, and July 17, 1899, no. 566. 



186. Staurothele diffractella (Nyl.) Tuck. 



On sandstone, granite, quartzite and calcareous drift pebbles, 

 rare. New Ulm, July 4, 1899, nos. 238 and 240. Granite 

 Falls, July 13, 1899, ^^- 5°^' and July 17, 1899, no. 560. 



Not previously reported from Minnesota. 



