THE BOTANISTS OF PHILADELPHIA. 357 



American Lichens," "A further Enumeration and Descrip- 

 tion of some Lichens of the United States," "An Enumera- 

 tion of the Lichens of Newfoundland and Labrador, with 

 Description of new and rare Species," " On Alectoria Cetra- 

 riza Nyl., a new species from Oregon," * " Determination of 

 the less conspicuous and more difficult Species of Lichens 

 from Ohio," " Revision and Determination of the Lichens of 

 Lancaster County, Pennsylvania," " Determination of the 

 Lichens for the Academy of Natural Sciences, in the Con- 

 tribution to the Flora of Greenland," " Notes on the Lichens 

 in the Herbarium of the Academy of Natural Sciences," 

 " Revision of the Lichens in the Schweinitz Herbarium," 

 " The Lichen Flora of Florida," " Revision of the Lichens 

 in the Geographical Survey of New Jersey," " Chemical and 

 Medicinal Properties of Lichens," " List of the Lichens from 

 California and Mexico, collected by Edward Palmer," 

 " Determination of the Lichens from Southern Patagonia, 

 collected by the U. S. S. Albatross, 1887 to 1891," " List of 

 the Lichens from the Desert of Atakamia, collected by 

 Thomas Morong," " List of the Lichens collected in Bolivia, 

 by H. H. Rusby, M. D." In preparation, "An Enumeration 

 of the Lichens of British America, United States and 

 Mexico." 



Dr. Eckfeldt in April, 1898, presented to the Academy 

 of Natural Sciences his valuable collection of lichens, 

 which he spent a quarter of a century in collecting. It is 

 one of the most complete in this country, only one other, 

 that of the late Professor Tuckennann, of Amherst College, 

 approaching it. The collection contains upwards of 4000 

 specimens, including 2800 different species. His collection 



* Bulletin Torrey Botanical Club, XVIII : 257. 



