— 6— 
50. Bacidia muscorum (Sw.) Mudd. Limestone ledge west of Vaughns school- 
house on mosses, April i6, 191 1 & March 23, 1915; determined by Mr. 
Merrill, March 12, 1912, who says, "I have never before examined it 
from America." 
57. Bacidia sahuletorum (Flk.) Zahlbr. Hague on mossy trunks of Thuja occiden- 
ialis; determined by Dr. Riddle. Near Tripoli and at Vaughns, not 
uncommon on mossy limestone rocks; specimens have been determined 
by Mr. Merrill. {Biaiora hypnophila (Turn.) Tuck.) 
58. Bacidia Schweinitzii (Tuck.) Fink. On trees. Fort Edward (Howe); E. 
Galway on tri nks of Fagus grandifolia (Bmt)', bark of Thuja occidentalis 
east of Thompsons gravel-bed, Apr. 29, 191 7, determined by Mr. 
Merrill. 
59. Bacidia suffusa (Fr.) Merrill & Burnh., n. comb. E. Galway on poplar 
bark (Burt). {Bacidia fuscoruhella suffusa (Fr.)Fink). 
60. Bacidia trachona (Ach.) Zahlbr. Calcareous rocks. Bacon hill, two miles 
east of Fort Ann, Apr. 22, 1917; determined by Mr. Merrill. 
61. Bacidia umhrina compacia (Koerb.) Th.Fr. On decorticated branches 
of Pinus Strohus and Tsuga canadensis. East of Fort Ann ; southern 
W. Fort Ann; Vaughns; determined by Mr. Merrill. 
62. Lopadium pezizoideum (Ach.) Koerb. On bark of Picea rubra, summit 
of Black Mt., Aug. 19, 1909; determined by Dr. Riddle and reported 
in N. Y. State Mus. Bull. 150: 31. 191 1. {Heterothecium pezizoideum 
(Ach.) Flot.). 
63. Rhizocarpon alboatrum (Hoffm.) Th. Fr. Peaked Rock on trunks. May 
19, 1906; determined by Dr. Fink. 
64. _ Rhizocarpon confervoides DC. Stone walls at Vaughns; determined by 
Mr. Merrill; talus at foot of Diameter precipice, South Bay; Peaked 
Rock. (Buellia petraea (Wult.) Tuck, in part). 
65. Baeomyces roseus Pers. Baker's gorge down S. Beaver creek, east of 
Vaughns on clayey soil, Aug. 12, 1899, & Nov. 15, 1914; Anaquassa- 
cook hills on earth. May 19, 1906 (young); along Battenkill River 
south of Shushan, Jan. 19, 1913 (young). 
66. Pilophoron cereolum (Ach.) in Tuckerman's sense, f. fibula Tuck. On 
sandstone rocks, Vaughns, Aug. 23, 1906, sterile; determined by Dr. 
Fink. {Pilophorus cereolus (Ach.) Stizenb.). 
67. Cladonia alpestns (L.) Rabenhp Summit of Black Mt.,; foot of Diameter 
precipice. South Bay; Saddle Mt., Fort Ann mountains; north of New 
Michigan Pond, W. Fort Ann; Curtis hill, east of Fort Ann; Ballston 
Lake. 
68. Cladonia apolepta (Ach.) Fink. Along West brook, W. Fort Ann on old wood 
in moist places, Aug. 20, 1907; determined by Dr. Fink as C. fimbnaia 
coniocrata (Flk.) Wainio: but reported by Dr. Fink as Cladonia apolepta 
(Ach.) in Mycol. 11: 299, Nov. 1919. 
69. Cladonia bacillaris Nyl. The f. clavata (Ach.) Wainio, on ground at 
Shushan, summer 1907 (Dobbin); determined by Dr. Fink. 
