-48- 



144- L. gibbosa (Ach.) Nyl. One specimen, fertile. 



Section: Eulecanora 



145. L. subfusca (L.) Ach. Thirty-one specimens, all fertile. 



146. L. subfusca var. distans (Ach.) Nyl. Seven specimens, all fertile. 



147. L. coilocarpa Ach. Nine specimens, all fertile. 



148. L. varia (Hofifm.) Ach. Nine fertile specimens. 



149. L. varia var. saepincola (Ach.) Nyl. Six specimens, all fertile. 



150. L. varia var. symmicta Ach. One specimen, fertile. 



151. L. albella (Pers.) Ach. Twelve fertile specimens. 



152. L. albella var. canoriformis (Hoffm.) Herre. One fertile specimen. 



153. L. Willeyi Tuck, One fertile specimen. 



154. L. Hageni Ach. One specimen, fertile. 



Section: Placodium 



155. L. rubina (DC) Ach. Three fertile specimens. 



156. L. muralis (Schreb.) Tuck. Four specimens, all fertile. 



Genus: Ochrolechia 



157. Ochrolechia pallescens (L.) Mass. Nine specimens, all fertile. 



158. O.pallescens var. rosella (Tuck.) nov. comb. Nine specimens. 



Genus: Haematomma 



159. Haematomma elatinum (Ach.) Koerb. Two specimens. 



Genus: Acarospora 



160. Acarospora fuscata (Schrad.) Arn. Two specimens, both fertile. 

 Middlesex School, Concord, Mass. 



MISCELLANEOUS NOTES 

 Noteworthy forthcoming articles will appear in early numbers of The 

 Bryologist as follows: 



"The Genus Parmeliopsis of Nylander," by Dr. Lincoln W. Riddle. 

 "Illustrated Key to the Western Ditrichaceae," by Dr. T. C. Frye. 



EXCHANGE DEPARTMENT 



Ofiferings — To members only. Return postage should accompany the re- 

 quest. 



Mrs. Horace C. Dunham, 206 Windsor Road, Waban, Mass —Hylocomium 

 pyrenaicum (Spruce) Lindb., and Rhytidiadelphus squarrosus (L.) Warnst., 

 collected by Mrs. Dunham in Maine. 



Mr. Roy Latham, Orient, N. Y .—Arthonia radiata (Pers.) Th. Fr., and 

 Parmelia rudecta Ach. 



Mr. Charles C. Plitt, 3933 Lowndes Ave., Baltimore, Md.—Ramalina 

 Menziesii Tuck. 



Dr. Wm. C. Wiegmann, 436 East 5th St., New York City —Plagiothecium 

 latebricola (Wils.) B. & S., sterile, collected in New Jersey. 



Mr. E. B. Chamberlain, 18 West 89th St., New York Cxty.—Drepanocladus 

 scorpioides (L.) Warnst., sterile, collected in Connecticut by Dr. G. E. Nichols. 



