-78- 
240. Buellia colludens (Nyl.) Tuck. Rocks in woods southeast of Tripoli, 
Dec. 2, 1914; determined by Mr. Merrill, 
241. Buellia disciformis (Fr.) Mudd. Huletts Lg. (Jelliffe); E. Galway on 
Fagus grandifolia (Burt); Shushan on Betula lenta, Apr. 30, 1906 
(Dobbin); Hague on Tsuga canadensis, Sept. 5, 1909; Black Mt. 
on Ahies halsamea, Aug. 19, T909, determined by Dr. Riddle; Kings- 
bury to Fort Ann on Acer nibrum, Aug. 19, 191 1; west of Tripoli 
schoolhouse on Pinus Strobus, Dec. 2, 1916; the last two collections 
determined by Mr. Merrill. (Probably includes much formerly called 
BuJlia parasema (Ach.) Koerb. which was a composite species.). 
242. Buellia spuria (Schaer.) Koerb. Huletts Lg. (Jelliffe); calcareous rocks 
west of Vaughns schoolhouse, Dec. i, 19 14, determined by Mr. 
Merrill; Peaked Rock, on granitic rocks, May 19, 1906, determined 
by Dr. Fink. 
243. Rinodina oreina (Ach.) Mass. Peaked Rock on granitic rocks, May 19, 
1906 & June 15, 1907; determined by Dr. Fink and reported in N. Y. 
State Mus. Bull. 122: 24. 1908. 
244. Pyxine sorediata (Ach.) Fr. Shushan on oak (Dobbin) and Betula lenta ^ 
Anaquassacook hills; northwest Hartford on calcareous rocks and 
Betula lutea; near Tripoli on Juglans cinerea, determined by Mr. 
Merrill; Vaughns on trunks of Betula lutea, Crataegus sp., and Acer 
saccharum. 
245. Physcia elaeina (Sm.) A. L. Smith. Bark of Acer saccharum, Vaughns 
schoolhouse woods. May 11, 1907; determined by Dr. Fink. Easily 
overlooked. {Physcia adglutinata (Flk.) Nyl.). 
246. Physcia fusca detonsa (Fr.) Burnh., n. comb. Shushan on rocks (Dobbin), 
determined by Dr. Fink; northwest Hartford on calcareous rocks; 
southern W. Fort Ann on rocks; Vaughns and vicinity in mossy 
rocks and trunks of Acer saccharum, determined by Mr. Merrill. 
{Physcia aquila detonsa (Fr.) Tuck.). 
247. Physcia grisea (Lam.) Zahlbr. Old trunk of Pyrus Mains at Vaughns, 
March 5, 1914; determined by Mr. Merrill. {Physcia pityrea (Ach.) 
Nyl.). 
248. Physcia lithotea Nyl. Mossy rocks, usually limestone; southern W. Fort 
Ann and at Vaughns. Specimens have been determined by Mr. 
Merrill. 
249. Physcia orbicularis (Neck.) Dalla Torre & Sarnth, This is not uncommon 
on mossy rocks and trunks of trees. Specimens have been determined 
by Dr. Fink. {Physcia obscura (Ehrh.) Nyl.). 
250. Physcia orbicularis endococcina (Koerb.) Burnh., n. comb. Thisisoften 
associated with the species on trunks of trees: and distinguished by 
being saffron colored within. {Physcia obscura endococcina (Koerb.) 
Th. Fr.). 
