10 
11. STICTA, (Schreb.) Fr. 
1. S. amplissiina, (Scop.) Mass. On trees and rocks. Com¬ 
mon. 
2 . S. aumta, (Sm.) Ach. On trees in swamps. Rare and stu- 
ile. 1880. 
3. S. pullliouaria, (F.) Ach. On trees and rocks, common, but 
not usually fertile. Often infested with the parasite Celidium sficta- 
rum , Tul. 
4. S. fuligiuosa, (Dicks.) Ach. On rocks, 1862, and on trees in 
swamps. Rare and sterile. 
5. S. crocata, (L.) Ach. On rocks and trees. Sterile. 
6. S. scrobiculata, (Scop.) Ach. On rocks and trees. Rare and 
sterile. 
12. NEPHROMA, Ach. 
1. N. helveticum, Ach. On rocks, and rarely on trees. 
18. PELTIGERA, (Willd.) Hoffm., Fee. 
1. P. apllthosa, (L.) Iloffm. On rocks, Weymouth. Only a sin¬ 
gle scanty specimen found here, on Clark’s Point, 1863. 
2. P. horizoiltalis, (L.) Hoffm. On rocks. 
3. P. polydactyla, (Neck.) Hoffm. On rotting logs in swamps. 
Rare. 
4. P. rilfeseens, (Neck.) Hoffm. Among mosses at the base of 
trees. 
5. P. can ilia, (L.) Hoffm. On the earth. Common. 
b. spuria. Ach. Common. 
c. sorediafa, Seiner. Rare and sterile. 
14. PHYSMA, Mass. 
1. P. luridlliil, (Mont.) Tuck. On rocks and trees. iExsic ., 
Lojka, n. 70. 
15. P ANN ARIA, Delis. 
1. P. lanuginosa, (Ach.) Kbr. On shaded rocks extending to 
hark. Sterile. 
