4 
io. PARMELIA (Ach.), De Not. 
Parmelia cetrata (Ach.). On oak trees, Reinhold’s, March 14. 
P. Borreri, Turn., var. b. reducta, Tuck. On fences, Reinhold’s, 
March 14. 
P. olivacea (L.), Ach. On cherry trees, Beartown, May 28. 
P. centrifuga (L.), Ach. On red cedar trees, Beartown, July n. 
P. olivacea (L.), Ach., var. sorediata (Ach.), Nyl. On trees, Chest- 
nut Hill, March 8. 
P. ambigua (Wulf), Ach. On dead logs, Reinhold’s, September 3. 
P. trliacea (Hoffm.), Floerk. On trees, Beartown, July 11. 
11. PHYSCIA (D.C. Fr.), Th., FrC 
Physcia speciosa (Wulf), Ach., Nyl. On trees in a ravine near 
Mountville, July 3. 
P. aquila (Ach.), Nyl., var. dentosa, Tuck. On trees, Reinhold’s, 
< March 14. On rocks, Conestoga Creek, January 24. 
P. comosa (Eschw.), Nyl. On a chestnut log, Martic Forge, May 1. 
On a chestnut log, Conewago, May 7. On a chestnut tree, Speed- 
well Forge, July 6. 
P. astroidea (Fr.), Nyl. On trees, Beartown, July 11. 
P. tribacia, Ach. On rocks, Reinhold’s, March 14. 
P. setosa (Ach.), Nyl. On moss, Beartown, May 28. 
P. caesia (Hoffm.), Nyl. On stones, near Mountville, March 1. 
12. PYXINE, Fr. Tuckerm. 
Pyxine sorediata, Fr. On trees, Chestnut Hill, March 8. Rein- y 
hold’s, March 14. Fite’s Eddy, June 1. 
Family 3.— U MBILIC ARIEL 
13. UMBILICARIA Hoffm. 
Umbilicaria pustulata (L.), Hoffm. On rocks, Fite’s Eddy, June 
1. On rocks, Hopewell Forge, July 6. Beartown, July n. 
U. vellea (L.), Nyle. On rocks, in a ravine near Fite’s Eddy, June 1. 
Family 4.— P E L T I G E R E I . 
14. STICTA (Schreb.), Fr. f 
Sticta pulmonaria (L.), Ach., var. b. hypomela, Del. On trees, 
t 
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