—79— 
251- Physcia pulverulenta (Schreb.) Nyl. E. Galway on ash trunks (Burt); 
Black Creek, north part of town of Salem (Dobbin); Vaughns on 
trunks of Juglans cinerea, Betula lenta, Ulmus americana, amd Acer 
saccharum; Crescent on rocks. 
252. Physcia pulverulenta leucoleiptes Tuck. Shushan on elm, May 28, 1906 
(Dobbin) and on trees, bog north of Clarks Pond, Sept. 11, 1909, 
determined by Dr. Riddle. On rocks and Juglans cinerea at Vaughns; 
determined by Mr. Merrill. 
253. Physcia pulverulenta leucoleiptes Tuck. The forma argyphaeoides Harm., 
on calcareous rocks at Vaughns, not uncommon; determined by Mr. 
Merrill. 
254. Physcia pulverulenta muscigena (Ach.) Nyl. Vaughns on mossy rock, 
Aug. 20, 1908 (Mrs. R. C. Burnham), determined by Mr. Merrill. 
255. Physcia setosa (Ach.) Nyl. E. Galway on maple trunks (Burt); Shushan 
on mossy trunks. May 14, 1906 (Dobbin); Crescent on rocks, May 30, 
1906. 
256. Physcia stellaris (L.) Nyl. On trunks of frondose trees and rocks; abundant. 
Collected at Huletta Lg. on Juniperus communis v. depressa, May 29, 
1907. 
257. Physcia stellaris aipolia (Ach.) Nyl. Dresden (Peck); E. Galway on maple 
trunks and rocks (Burt) ; woods east of Tripoli schoolhouse on quartzy 
outcrops in limestone rock. May 25, 19 13. Vaughns on bark of 
Carya ovata, Sept. 25, 19 13, determined by Mr. Merrill who says 
"the variety o«^o/«a is with difficulty vseparable from the species, and 
your specimens are intermediate." 
258. Physcia stellaris cercidia (Ach.) Th. Fr. Trunk of Populus tremuloides, 
west of Wiggins iron mine, Nov. 22, 1915; determined by Mr. Merrill. 
259. Physcia tribacia (Ach.) Nyl. On rocks and trunks, specially of frondose 
trees; not uncommon. Specimens have been determined by Dr. 
Eckfeldt, Mr. Merrill and Dr. Riddle. 
260. Anapfychia hypoleuca (Ach.) Wainio. On trunks of frondose trees. Shushan 
(Dobbin), reported in N. Y. State Mus. Bull. 122: 24. 1908, Vaughns 
and vicinity. {Physcia hypoleuca (Ach.) Tuck.). 
261. Anaptychia speciosa (Wulf.) Wainio. On mossy rocks and stonewalls 
and trunks of frondose trees; rather frequent. Northwest Hartford; 
southern W. Fort Ann; about Tripoli; Vaughns; Shushan; Crescent. 
Specimens have been determined by Dr. Eckfeldt, Dr. Fink, Mr. 
Merrill, and the late Dr. Riddle. 
Abnormal Lichen Stratum 
262. Amphiloma lanuginosa (Ach.) Nyl. Usually on calcareous rocks; not 
uncommon. Occasionally occuring on trunks of trees. Specimens 
