— XI — 
Riddle, Dr. L. W., becomes a member of Harvard Faculty. [Note.] 31 
Scapania nimbosa from Norway. [Note.] 43 
Schistostega osmundacea, the Luminous Moss. [Note.] 74 
Short History of Lichenology, A. Charles C. Plitt 77-8 5 
Southern Limit of Encalypta laciniata, The. Ralph S. Nanz 3 
Sphagnum, Notes on North American, — VIII. A. LeRoy Andrews 45-49 
Sullivant Moss Society, Annual Reports, for 1918. 
Report of the President. Elizabeth G. Britton 5-6 
Report of the Secretary-Treasurer. Edward B. Chamberlain 7-9 
Report of the Curator of the Moss Herbarium. George B. Kaiser 9-10 
Report of the Curator of the Hepatic Department. Caroline C. Haynes, 
Curator pro tem 10 
Report of the Lichen Department. Charles C. Plitt. 10-11 
Membership List, Additions and Corrections • 11 
Sullivant Moss Society Notes. E. B. Chamberlain 44, 76, 88 
Switzerland, see Flore des mousses de la Suisse 41-43 
Tropical Collector, Medical Notes for the. [Note] 89 
Tufa and of Floating Islands, Mosses as Formers of. Aravilla Taylor. . . . .38-39 
Washington, see Mosses of the Cascade Mountains .85-86 
West Indian Mosses in Florida. Elizabeth G. Britton 2 
INDEX TO AUTHORS 
Andrews, A. LeRoy . .4-5, 27-28, 45-49 Jennings, O. E. 11-12, 17-20,29,31,73- 
Brinkman, A. H 40 76, 89 
Britton, Elizabeth G 2, 
3-4. 87 
Kaiser, George B 
. . . 9-10 
Burnham, Stewart H 
•'•33-37 
Levy, Daisy J 
23-26 
Chamberlain, Edward B. 7-9, 
11, 16, 
Lowe, Rachel L 
. . . . 14-15, 21-22 
17, 28-31, 39-44, 76. 88-89 
Durand, Elias J 
. . . . 13 
Nanz, Ralph S 
Plitt, Charles C 
3 
. . . .10-11, 77-85 
Durfee, Thomas 
• .15-16 
Rapp, S . . . 
50-54 
Evans, Alexander W 
• -54-73 
Seymour, M. E 
85-86 
Grout, A. J. 
• -37-38 
Taylor, Aravilla 
38-39 
Haynes, Caroline C 
. . 10, 27 
Williams, R. S 
INDEX TO PLATES AND FIGURES 
Conklin, Geo. H 
Hylocomium alaskanum 
Nardia crenulata 
var. gracillima 
“ fossombronioides 
“ rubra 
“ subelliptica 
Pogonatum brachyphyllum 
brevicaule 
PI. I, facing p. 21 
Page 1, figs. 1-3 
PI. II (p. 64), fig. 8 
PI. II (p. 64), fig. 9 
Page 60, figs. 1-7 
PI. II (p. 64), figs. 1-7 
Page 70, figs. 8-15 
Page 38, figs. b. 
Page 38, figs. a. 
ERRATA 
Page 22, line 21, for Weissia read Weisia. 
Page 23, line 11, for Kindb. read (Beauv.) Kindb. 
line 12, for B. & S. read (L.) B. & S. 
line 28, for S. read L. 
bottom line, for Willd. read (Willd.) Grout. 
Page 23, line 5 from bottom, for Schreb. read Sibth. 
Page 25, line 8, for Br. & Sch. read (L.) Br. & Sch. 
line 13, for Hedw. read Leyss. 
line 26, for caespiticium read caespitosa , 
