l i "ink : LiriiKxs OF THE MINNESOTA VALLEY. 



61. Collema furvum (Acn.) NYL. 



On shaded rocks, infrequent. New Ulm, July 5, 1899, no - 

 283. Redwood Falls, July 6, 1899, no. 307. Granite Falls, 

 July u, 1899, no - 39 1 - 



Not previously reported from Minnesota. 



62. Leptogium lacerum (Sw.) FR. 



On various rocks, usually shaded, frequent. Mankato, June 

 23, 1899, no. 49. Redwood Falls, July 8, 1899, no. 328. 

 Granite Falls, July 13, 1899, nos. 480 and 497 and July 17, 

 1899, no. 568. 



63. Leptogium pulchellum (Acn.) NYL. 



Collected once on a large bowlder in a shaded ravine, rare. 

 Mankato, July i, 1899, no. 212. 



Not previously reported from Minnesota. 



64. Leptogium chloromelum (Sw.) NYL. 



On mossy, shaded sandstone, rare. Mankato (Minneopa 

 Falls), June 27, 1899, no. 144. 



65. Leptogium myochroum (EHRH., SCHAER.) TUCK. 



On trees and shaded granitic rocks, rare. Mankato, June 

 26, 1899, no. 126. Mankato (Rapidan), June 28, 1899, no. 

 166. Granite Falls, July n, 1899, no. 392. 



66. Placodium elegans (LINK.) DC. 



On various rocks ; common at Granite Falls, infrequent else- 

 where. Mankato, June 24, 1899, no. 83. Redwood Falls, 

 July 8, 1899, no. 353. Granite Falls, July 11, 1899, no. 440. 

 Pipestone, July 18, 1899, nos - 59 2 an d 603. 



67. Placodium murorum (HOFFM.) DC. 



On granitic rocks, rare. Granite Falls, July 12, 1899, no. 

 452. 



68. Placodium cinnabarrinum (Acn.) Auz. 



On various rocks, frequent or common. Mankato, June 23, 

 1899, no - 73 an d June 30, 1899, no. 200. Morton, July 7, 

 1899, no. 320. North Redwood, July 10, 1899, no. 369. Gran- 

 ite Falls July n, 1899, no> 4 11 - Pipestone, July 18, 1899, 

 no. 607. 



69. Placodium aurantiacum (LIGHTF.) NAEG. and HEPP. 



On trees and rocks, common at first locality. Mankato, 

 June 22, 1899, no. 19, and June 23, 1899. no. 38. Granite 

 Falls, July n, 1899, no. 375. 



