21-4 MINNESOTA BOTANICAL STUDIES. 



145. Urceolaria scruposa (L.) Nvl. 



On rocks, infequent and rarely on cedars in swamps at sec- 

 ond locality. Oak island, July 15, 1901, no. 615. Emo, July 

 17, 1901, nos. 651 and 662, July 20, 1901, no. 784 and July 

 23, 1901, no. 839. Rainy Lake City, August 2, 1901, no. 

 1 109. Kettle falls, August 9, 1901, no. 1345. Harding, Au- 

 gust 20, 1901, no. 1650. Tower, August 27, 1901, no. 1838. 



146. Stereocaulon paschale (L.) Fr. 



On rocks, frequent, or on earth over rocks. Warroad, July 

 4, 1901, no. 337. Emo, July 20, 1901, no. 766. Koochiching, 

 July 25, 1901, no. 865. Kettle falls, August 12, 1901, no. 

 1385. Harding, August 20, 1901, no. 1629. Tower, August 

 23, 1901, no. 1679. 



147. Stereocaulon tomentosum (Fr.) Th. Fr. 



On rocks, locally common. Oak island, July 9, 1901, no. 

 471. 



Not previously reported from Minnesota. 



148. Cladonia rangiferina (L.) Web. 



On earth, generally over rocks, common. Beaudette, June 

 19, 1901, no. 43. Warroad, June 28, 1901, nos. 233 and 236 

 and July 4, 1901, no. 349. Fla^ island, July 12, 1901, nos. 

 539 and 556. Emo, July 19, 1901, no. 734. Kettle falls, Au- 

 gust 12, 1901, no. 1392. Harding, August 17, 1901, no. 

 1539. Tower, August 24, 1901, no. 1763. 



149. Cladonia sylvatica (L.) Hoffm. var. pumila Ach. 



On earth, usually over rocks, common. Warroad, June 26, 

 1901, no. 273. Oak island, July 10, 1901, no. 491. Kettle 

 falls, August 12, 1901, no. 1405. Tower, August 23, 1901, 

 no. 1701. 



Not previously reported from Minnesota. 



150. Cladonia sylvatica (L.) Hoffm. var. sylvestris Oed. 



On rocky earth, rare. Warroad, June 27, 1901, no. 202. 

 Blueberry island, July 13, 1901, no. 585. Tower, August 29, 

 1901, no. 1885. 



Not previously reported from Minnesota. 



151. Cladonia alpestris (L.) Rabenh. 



On earth, usually over rocks, infrequent. Warroad, July 14, 

 1901, no. 340. Flag island, July 12, 1901, no. 552. Kettle 



