706 MINNESOTA BOTANICAL STUDIES. 
185. Acolium tigillare (Acu.) DN. 
An old wood, rare. Battle lake, June 23, 1900, no. 137. 
Bemidji, July 5, 1900, no. 497 and July 6, 1900, no. 530. 
186. Calicium lucidum (Tu. Fr.) Fink. 
On pines, tamaracks and dead wood, rare. Henning, July 
2, 1900, no. 413. Bemidji, July 6, 1900, nos. 530 and 539 and 
July 11, 1900, no. 595. Red lake, July 30, 1900, no. 994 and 
August 3, 1900, no. 1072. 
Not previously reported from Minnesota and new to North 
America. 
187. Calicium trichiale Acu. var. cinereum Nyt. 
On living and dead wood in swamps, rare. Henning, June 
28, 1900, nos. 301 and 334. Bemidji, July 13, 1900, no. 709. 
Red lake, July 26, 1900, no. gor and July 28, 1900, no. 938. 
Not previously reported from Minnesota and new to the in- 
terior of North America. 
188. Calicium chrysocephalum Acn. 
On cedars in swamp, rare. Bemidji, July 6, 1900, nos. 507 
and 535. 
189. Calicium trachelinum Acn. 
On old wood in tamarack swamp, locally common. Henning, 
June 28, 1900, no. 325 and July 2, 1900, no. 406. 
Not previously reported from Minnesota. 
190. Calicium polyporeum Nyt. 
On Polyporus versicolor, rare. Bemidji, July 14, 1900, no. 
4736. Thief River Falls, July 19, 1900, no. 823. Red lake, 
July 28, 1900, no. 955. 
Not previously reported from Minnesota. 
191. Calicium sp. 
On dead wood, especially in swamps, rare. Battle lake, 
June, 23, I900, no. 159. Henning, June. 30, 1900, no. gga. 
Bemidji, July 7, 1900, no. 524 and July 12, 1900, no. 692. 
Spores simple and compound. Referred to C. guercinum 
Pers. in no. IV. of this series of papers. 
Not previously reported from Minnesota. 
192. Calicium curtum TurRN. and Borr. ? 
On old stumps of conifers, especially in swamps, frequent. 
Henning, June 28, 1900, no. 317. Red lake, July 27, 1900, 
no. g11 and August 2, 1900, no. 1063. 
