254 Journal of Mycology [Vol. 12 
Leptosphaeria perplexa Sacc. et Fairm. n. sp., in caulibus emor- 
tuis Solidaginis sp. Jour. Mycol. 12 149. Mar. 1906. 
Leptosphaeria physostegiae Fairman n. sp., on dead stems of 
Physostegia virginiana Benth. Proc. Rochester Acad. Sci. 
4:216. March 1906. 
Leptospora sparsa Sacc. et Fairm. n. sp., ad ligna putrida in 
silvis. Jour. Mycol. 12 149. Mar. 1906. 
Leptospora stictochaetophora Fairman n. sp., on hard surface of 
decorticated maple twig, on ground in woods. Proc. Roch¬ 
ester Acad. Sci. 4:218. March 1906. 
Leptothyrium californicum Bubak n. sp., auf lebenden Blattern 
von Quercus morehus. Jour. Mycol. 12 :55. Mar. 1906. 
Leptothyrium dryadearum Desm., syn. of Marssonina potentil- 
lae q. v. 
Leptothyrium juglandis Lib., syn. of Marssonina juglandis q. v. 
Leptothyrium juglandis Lib., syn. of Marssonina potentillae 
q. v. 
Leptothyrium kellermanni Bubak n. sp., auf Blattern von Sas¬ 
safras officinalis. Jour. Mycol. 12:55. Mar. 1906. 
Leptothyrium pazschkeanum Bubak n. sp., auf toten Stengeln 
und Aesten von Asclepias verticillata. Jour. Mycol. 12:55. 
Mar. 1906. 
Lichen flora of Long Island, Additions to [List of 18 species.] 
G. C. Wood. Bryologist, 8:51. May 1905. 
Lichen Notes, No. 1. G. K. Merrill. Bryologist, 8:110-112. 
Nov. 1905. 
Lichen Notes, No. 2 G. K. Merrill, The Bryologist, 9:3~4. 
January 1906. 
Lichenology for Beginners. Frederick LeRoy Sargent. Bry¬ 
ologist, 8:45-8. May 1905. 
Lichenology for Beginners, II. Frederick LeRoy Sargent. 
Bryologist, 8:66-9. July 1905. 
Lichenology for Beginners, IV. Frederick LeRoy Sargent. 
Bryologist, 8:98-106. Nov. 1905. 
Lichens, Classification see Classification of . . . 
Lichens, How to Collect and Study. Bruce Fink. Bryologist, 
8:22-7. March 1905. 
Lichens, What to Note in the Macroscopic Study of. Bruce 
Fink. Bryologist, 8 T3-76. July 1905. 
