Fink: LICHENS OF NORTHWESTERN MINNESOTA. 701 
July 18, 1900, no. 792. Red lake, August 1, 1900, nos. 1031 
and 1042. 
145. Biatora uliginosa (ScuRAD.) FR. 
On pine logs or earth under pines, infrequent. Bemidji, 
July 4, 1900, no. 440, July 5, 1900, no. 487 and July g, 1900, 
nos. 539 and 542. Red lake, July 28, 1900, no. 971, July 30, 
1900, nos. 977 and Aug. 1, 1900, no. 1046. 
146. Biatora myriocarpoides (NyL.) Tuck. 
On old pine and granite, infrequent. Bemidji, July 4, 1900, 
no. 424, July 10, 1900, no. 561 and July 16, 1900, nos. 743 
and 749. Thief River Falls, July 20, 1g00, no. 840, July 21, 
1900, no. 851 and July 23, 1900, nos. 870 and 873. Red lake, 
July 28, 1900, nos. 959 and 967, July 30, 1900, no. 1002, Aug. 
2, 1900, no 1058 and Aug. 4, 1900, no. 1077. 
Part of the material here referred to has a colorless hypothe- 
cium and will doubtless be referred elsewhere after further 
study. 
147. Biatora varians (Acu.) Tuck. 
On trees, infrequent. Battle lake, June 18, 1900, no. 1 and 
yune 23, 1900, no. 163. Leaf hills, June 26, 1900,.no. 214. 
Henning, June 29, 1900, no. 356. Thief River Falls, July 21, 
1900, no. 860. 
148. Biatora mixta Fr. 
On poplars, frequent. Henning, June 29, 1900, no. 434. 
Bemidji, July 11, 1900, no. 629. Thief River Falls, July 21, 
1900, no. 854. Red lake, Aug. 2, 1900, no. 1062. 
Not previously reported from Minnesota. 
149. Biatora mixta FR. var. atlantica Tuck. 
On poplars, rare. Battle lake, June 20, 1900, no. 70. 
Not previously reported from Minnesota and new to the in- 
terior of North America. 
150. Biatora atropurpurea (Mass.) Hepp. 
On poplars, infrequent. Bemidji, July 4, 1900, no. 455 and 
July 9, 1900, no. 551, Thief River Falls, July 21, 1900, nos. 
777 and 846. 
151. Biatora prasina Fr. var. byssacea Tu. FR. 
On old logs in swamps, rare. Bemidji, July 7, 1900, no. 
520. 
Not previously reported from Minnesota. 
