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127- Collema pulposum (Bernh.) Ach. Thin rock> soil at Shushan, growing on 
Anomodon rostratus, Nov. 20 & 26, 1910 (Dobbin), specimens are in 
the N. Y. State Herbarium. Southern W. Fort Ann; Vaughns on 
mossy limestone ledges, Oct. 16, 1913, determined by Mr. Merrill. 
128. Collema pycnocarpum Nyl. On trunks. Mechanicsville (Peck); detmin- 
ed by Dr. Eckfeldt. 
129. Collema rupestris (Sw.) Burnh., n. comb. Huletts Lg. (Jelliffe); Bolton 
Lg. (Peck); Shushan (Dobbin); Lake George to Warrensburg; southern 
W. Fort Ann; Vaughns. Collections have been determined by Dr. 
Fink and Mr. Merrill. {Collema flaccidum Ach.) 
130. Collema ryssoleum Tuck. On rocks. Bolton Lg. (Peck.). 
131. Leptogium chloromelum (Sw.) Nyl. Rocks at Crescent, May 30, 1906. 
132. Leptogium lacerum (Sw.) S. F. Gray. Rocks among mosses at Shushan 
(Dobbin); northwest Hartford; Wiggins iron mine, determined by Mr. 
Merrill: Vaughns. 
133. Leptogium myochroum (Ehrh.) Tuck. Peaked Rock, May 19, 1906, deter- 
mined by Dr. Fink; Shushan on trees, Aug. 31, 1909 (Dobbin). 
134. Leptogium pulchellum (Ach.) Nyl. On trunks and rocks. Huletts Lg. 
(Jelliffe). 
135. Leptogium tremelloides (L.f) S. F. Gray. Trunks of trees and mossy rocks; 
common. 
136. Parmeliella crossophylla (Tuck.) Merrill & Burnh., n. comb. Shushan on 
slate rocks, May 14, 1906 (Dobbin), Pannaria crossophylla Tuck. 
137. Parmeliella microphylla (Sw.) Miill. Arg. Shushan on rocks (Dobbin); 
Peaked Mt.,; Vaughns on sandstone and calcareous rocks, several 
collections determined by Mr. Merrill. 
138. Placynthium nigrum (Huds.) S. F. Gray. On calcareous rocks and sand- 
stone. Shushan (Dobbin); Vaughns and elsewhere, several collections 
determined by Mr. Merrill. {Pannaria nigra (Huds.) Nyl.) 
139. Pannaria leucosticta Tuck. Talus, Diameter precipice. South Bay, Aug. 
21, 1906; determined by Dr. Fink. 
140. Pannaria lurida (Mont.) Nyl. On oak bark, Anaquassocook hills, May 19, 
1906; Shushan on elm trunks, May 28, 1906 (Dobbin). {Physma 
luridum (Mont.) Tuck.). 
141. Hydrothyria venosa Russell. On rocks, falls of West brook, W. Fort Ann, 
Sept. 19, 1917, growing with Nephroma laevigatum; determined by Mr. 
Merrill who says, "the plant is probably widely distributedbut it seldom 
turns up. I have not collected it in Maine but have long sought for 
it." In stream bed, in Big notch, north of Peaked Mt., June 27, 1918, 
plants with apothecia; specimens verified by Mr. Merrill. Hydrothyria 
closely resembles Leptogium but has conspicuous radiant veins on the 
under surface of the thallus. 
142. Lobaria laciniata (Huds.) Wainio. On trunks of trees and rocks. Huletts 
Lg. (Jelliffe); E. Galway on elm trunks (Burt); southern W. Fort Ann; 
Vaughns; Shushan; Crescent. {Sticta amplissima (Scop.) Mass.) 
