Analytic Keys to the Species of Mosses . 
168 
ARTIFICIAL KEYS TO THE GENERA AND SPECIES 
OF MOSSES RECOGNIZED IN LESQUEREUX AND 
TAMES’S MANUAL OF THE MOSSES OF NORTH 
AMERICA.-ADDITIONS AND CORRECTIONS. 
By CHARLES R. BARNES. 
Since the separate publication of the Keys printed on pages 11-81 of this 
volume, the author has discovered a number of errors, typographical and 
other. He is also indebted to Mrs. E. G. Britton, Miss C. E. Cummings, 
Mr. E. A. RaU, Dr. C. W. Swan and Mr. L. S. Cheney for suggestions or 
corrections. The additions and corrections which have thus accumulated 
are deemed of sufficient importance for publication. 
Page 18, for first three lines under TT TT? substitute: 
Teeth bifid to the common membranous base. 
Leaves subulate to lance-subulate, from a broader 
base.Leptotrichum, 105. 87. 
Leaves broader. 
Lid short, conic or beaked .... Desmatodon, 110. 88. 
Lid elongated-conic.Trichostomum, 108. 88. 
Page 23, for line 12, substitute: 
Leaf cells quadrate at basal angles. 
Plants small, capsules about 2mm. long . Platygyrium, 307. 
Plants large, capsules about 4mm. long Cylindrothecium, 310. 67. 
Page 25, below B. 1, insert: 
[SS. qymbifolium and papillosum may be sought here.] 
Page 28, for line 15, substitute: 
Qosta broad a bove, almost or quite filling point. 
