110 BROOKLYN BOTANIC GARDEN MEMOIRS 
2. LEPTORAPHIS EPIDERMIDIS (Ach.) Th. Fr. On bark, Bordeaux, 
1381. : 
3. PORINA DESQUAMESCENS Fée. Without data, 1288a. 
4. PortnA NucuLA Ach. On Erythrina, St. Peter, 1444b, 1445. 
5. PYRENULA LEUCOPLACA (Wallr.) Koerb.’ On bark, Smith’s Bay, 
1276a. 
6. ANTHRACOTHECIUM BREUTELII Muell. Arg. Flora 68: 339. 1885. 
On bark, without definite locality, collected by Breutes En- 
demic. 
7, ANTHRACOTHECIUM CANELLAE-ALBAE (Fée) Muell. Arg. On 
Cephalocereus, Smith’s Bay, 1274a; on twigs of Gueitarda, 
Crown, 450 m. altit., 1357. South America. 
8. ANTHRACOTHECIUM LIBRICOLUM (Fée) Muell. Arg. On Melicocca, 
Tutu, 468a; on same, Smith’s Bay, 1276, 1282; on Erythrina, 
St. Peter, 1444. 
9. ANTHRACOTHECIUM OCHRACEOFLAVUM (Nyl.) Muell. Arg. 
On bark of coconut palm, néar Charlotte Amalia, 489; on Trichilia, 
Tutu, 467. 
10. ANTHRACOTHECIUM PYRENULOIDES (Mont.) Muell. Arg. On bark, 
without definite locality, collected by Dr. Forel. Recorded 
by Nylander in Flora 63: 127. 1880. 
II. MELANOTHECA FOVEOLATA Muell. Arg. On bar near Tutu, 1287. 
uba. 
12. PARATHELIUM INDUTUM Nyl. On Cephalocereus, Smith’s Bay, 
1274; on bark, Bordeaux, 1382 in part. Porto Rico, Colombia. 
13. PARMENTARIA ASTROIDEA Fée. On bark, Bordeaux, 1382 in part. 
14. ARTHONIA ANEGADENSIS Riddle Mem. New York Bot. Gard. 6: 
579. 1916. On Bontia, Smith’s Bay, 1286. Anegada. 
15. ARTHONIA CONFERTA (Fée) Nyl. On Plumeria, Tutu, 1484. 
16. ARTHONIA GREGARIA (Weig.) Koerb. On bark, Bordeaux, 1380. 
17. ARTHONIA OCHRACEELLA Nyl. On bark of old fallen branch, 
Crown, 450 m. altit., 1362. Cuba. 
18. ARTHONIA RUBELLA (Fée) Nyl. On Melicocca, Tutu, 468b. 
19. ARTHONIA SUBRUBELLA Nyl. Collected by Dr. Forel. Recorded 
by Nylander in Flora 63: 127. 1880. 
20. ARTHONIA.” On Guilandina, Smith’s Bay, 1281 p.p. 
21. ARTHONIA. On Plumeria, Tutu, 463. 
22. ARTHOTHELIUM MACROTHECUM (Fée) pre On mango, St. Peter, 
1247. 
23. Opegrapha acicularis Riddle sp. nov. 
Thallus epiphloeodes crustaceus effusus determinatus nigrolimitatus, albidus 
17 There are included in this paper three species of Arihonia the determination 
_ of which it has not been possible to complete in the time at my Soe L. W. 
