IO — 
ERRATA 
Page i, line 13 from bottom, for Sullivantae read Sulliva 7 itiae. 
Page 2, line 18 from bottom, for Europeae read Europaea. 
Page 3, line 10 from bottom, for Europea read Europaea. 
Page 6, line 15, for onithopodioides read ornithopodioides. 
Page 7, line 21, for INTEGROFOLIA read INTEGRIFOLIA. 
Page 25, line 12, for iodine read iodide 
Page 43, line 7 a from bottom, for Sphaerocaphalus read Sphaerocephalus. 
Page 51, line 22, for saxitalis read saxatilis. 
Page 53, line 15, for endivaefolia read endiviaefolia. 
Page 53, line 18, for Lye lii read Lye l Hi. 
Page 54, line n, for leavis read Icevis. 
Page 57, line 3 of Explanation of Plate V, for asplenoides read asplenioides. 
Page 71, line 2, for M. C. read C. M. 
I 
Page 80, line 10, for n. sp. read nom. nov. 
Page 94, line 8 from bottom, for cylindrothecium read cladorrhizans. 
Page 102, line 8 of key, insert b before Ap. scarlet or orange. 
Page 102, last line, for Everina read Evernia . 
Page 103, line 3, for Everina read Evernia. 
Page 103, line 15, for fibrilose read fibrillose. 
Page 104, line 18, for filbrillose read fibrillose. 
Page 106, line 5, for verraculose read verruculose. 
Page 109, line 16 from bottom, for thallus read talus. 
Page 1 12, line 12, for Floerk’s read Floerke’s. 
