—74— 
187. Parmelia caperata (L.) Ach. Abundant on trees and rocks. 
188. Parmelia cetrata Ach. Rich 's swamp near Shushan on elm and maple trunks, " 
June 5, 1907 (Dobbin); determined by Dr. Fink. 
189. Parmelia conspersa (Ehrh.) Ach. Very abundant on rocks. It is rarely 
found on trees. Sometimes the center is quite isidiophorus: and loosely 
attached plants on boulders are met with, such plants rarely if ever in fruit. 
190. Parmelia crinita pilosella (Hue) Merrill. Shusha'n on Juglans cinerea, June. 
23, 1907 (Dobbin); bog north of Clarks Pond, on trees, Sept. 11, 1909. 
191. Parmelia dubia (Wulf.) Schaer. Fort Edward (Howe), in N. Y. State Cab. 
Rep. 22: 62. 1869; Shushan on trunks of maple (Dobbin), verified by Dr. 
Fink. Hague; southern W. Fort Ann on rocks and trees; Vaughns on 
frondose trees. (Parmelia Borreri Turn.). 
192. Parmelia exasperata (Ach.) Nyl. E. Galway on trunks of Pyrus Malus and 
Acer (Burt), specimens are in the N. Y. State Herbarium; Barber trail. 
Black Mt., on birch, Aug. 19, 1909; Rich's swamp near Shushan, June 
16, 1907. (Parmelia olivacea aspidota Ach.). 
193. Parmelia furfuracea (L.) Ach. Marsh north of Glen Lake on Picea mariana, 
Sept. 20, 1916, verified by Mr. Merrill; Mud Pond marsh south of Glen 
Lake, Aug. 23, 1907 on Picea mariana; Rich's swamp near Shushan, May 
20, 1906. This has not been found on Larix laricina in these marshes. 
(Evernia furfuracea (L.) Mann.). 
194. Parmelia furfuracea Cladonia (Tuck.) Howe. Podunk Pond marsh on Picea 
mariana, Oct. 17, 1900; determined by Dr. Eckfeldt. 
195. Parmelia olivacea (L.) Ach. On trees, especially smOoth-barked trunks, and 
rocks; common. 
196. Parmelia perlata (L.) Ach. On rocks in upland and undisturbed regions; 
common. It is also found in trunks of trees. 
197. Parmelia pertusa (Schrank.) Schaer. On bark of Juglans cinerea at Shushan, 
April. 9, 1906, (Dobbin); talus. Diameter Precipice, South Bay, Aug. 21, 
1906. 
198. Parmelia physodes (L.) Ach. On trees, especially coniferous, but some- 
times occurs on rocks. It is a common lichen on trunks of Picea mariana 
and Larix laracina in sphagnum marshes. 
199. Parmelia physodes vittata Ach. Shushan in Rich's swamp, Nov. 1913 (Dob- 
bin); determined by Dr. H. D. House. 
200. Parmelia prolixa panmformis Nyl. Talus, Diameter Precipice, South Bay, 
Aug. 21, 1906; determined by Dr. Fink. (Parmelia olivacea panniformis 
Nyl.). 
201. Parmelia rudecta Ach. Abundant on rocks and trees. (Parmelia Borreri 
rudecia Tuck.). 
202. Parmelia saxatilis (L.) Ach. On trees and rocks; abundant. Specimens 
have also been found on Gyrophora Dillenii. 
203. Parmelia saxatilis furfuracea Schaer. E. Lake George marsh on Picea mar- 
