SE aan er ea ee 
Igro] RIDDLE—STEREOCAULON 297 
Podetia loosely attached to the substratum, erect, or spreading, 
3 to 9 cm. high, average 5 cm., more or less densely tomentose; 
squamules palmate-digitate, abundant, more or less crowded; 
apothecia typically minute, o. 5 to 1 mm. in diameter, rarely larger, 
reaching 2 mm., lateral; cephalodia minute, verdigris-green, con- 
taining Nostoc.—Growing on the ground or among mosses, rarely 
on rocks (fig. 1). 
SPECIMENS EXAMINED 
Europe: Fries Lich. Suec. no. go; Stenh. Lich. Suec. no. 79; Hepp Lich. 
Eu. no. 302; Rabenh. Lich. Eu. no. 133; Lojka Lich. Hungarici no. dh; Upsala, 
Th, Fries 1854 (Tuck); Sweden, Nylander in Leighton Coll. (NY). 
British America: Labrador, Waghorne no. 33, as S. denudatum (CEC); 
Anticosti, Macoun Aug. 22, 1883 (Can); New Brunswick, G. U. Hay June 24, 
Collins Aug. 17, 1906 (R); Cape Breton Is., Macoun July 9, 1898 (Can); 
Nova Scotia, Macoun June 12, 1883 (Can); Great Bear Lake, Richardson (H); 
Lake Superior, Macoun July 29, 1869 (Can); Agassiz 1848 (Tuck); British 
Columbia, many localities, Macoun (Can); G. Dawson Oct. 5, 1888 (Can); 
Alberta, Macoun June 13, 1907 (Can); L. R. Waldron June 16, 1901 (F). 
SKA: Dr. Kellogg (Tuck); P. M. Newhall on Univ. Calif. Exped. 1899 
(CEC); Pisses in Harriman Exped. nos. 1267, 1297, 1300, 1301; Coville 
and Kearney in Harriman Exped. nos. 609, 981, 2121 (CEC). 
Maine: Eastport, Farlow (H); Mt. Desert, M. L. Fernald Sept. 18, 1892 
(CEC); Cumberland, J. Blake Dec. 185 5 (CEC) 
EW Hampsuree: White Mts., Tuckerman Lick. Exs. no. 23; Crawfords, 
Miss Minns (W); North Woodstock, Clara E. Cummings Aug. 19, 1892 (CEC); 
Shelburne, Farlow Aug. 1894 (H); Fitzwilliam, R. H. Howe, Jr. (Th. 
ERMONT: Hinesburgh, C. G. Pringle 1878 (UVM); Brattleboro, C. C. 
Frost (UVM). 
Massacuusetts: Magnolia, C. J. rete as S. paschale (BSNH); 
Duxbury, J. he ies (B); New Bedford, H. Willey (B). 
CONNE : Ellsworth, H. A. Green Aug. 7, 1887 (NY). 
New Coie C.F Austin (NY); E. A. Burt (F); K. M. Wiegand (W); 
- W. Riddle (R). 
Itunois: J. Wolf 1888 (NY). 
MINNESOTA: Various localities, B. Fink, in Herb.; Macmillan (F). 
Cotorapo: T.S. Brandegee (R); F. E. Clements, as S. paschale (H). 
Montana: T. A. Williams in Dec. N. A. L. no. 202. 
Wyomine: Aven Nelson no. 2690 (NY). 
Wasuincton: W. W. Calkins no. 340, as S. paschale (W); Puget Sound 
B. Fink June 30, 1906 (F); Longmire’s Springs, E. T. Harper Aug. 1906 (F). 
GON: C. G. Pringle Sept. 20, 1881 (W); E. Hall 1871 (H); J. W, Eck- 
feldt 1882 (Can). 
th 
