— 92 — - 
9. Lejeunia calcarea Libert. Rock Creek. 
10. Lophocolea heterophylla (Schrad.) Dumort. Rock Creek. 
11. Metzgeria conjugata Lindb. Rock Creek. 
12. Nardia crenulata (Smith) Lindb. Rock Creek. 
13. Nardia hyalina (Lyell.) Carriagt. Banks of the Potomac opposite 
Georgetown. 
14. Odontoschisma denudatum (Mart.) Dumort. Rock Creek. 
15. Odontoschisma Sphagni (Dicks.) Dumort. District of Columbia: 
Spencerville, Maryland. 
16. Radula obconica Sulliv. Rock Creek. 
17. Radula tenax Lindb. Rock Creek. 
18. Scapania Evansii Bryhn. Rock Creek. 
19. Scapania nemorosa (L.) Dumort. Arlington; East Washington; Rock 
BOOKS AND EXSICCATI FROM PROF. CUMMINGS’ ESTATE 
FOR SALE. 
The following named books, from the library of the late Prof. Clara E. 
Cummings, are offered for sale. The prices are net: 
1 Lichens Exotici. A. M. Hue. Paris. 1892 $10 00 
2 Lichenographia Scandinavica. T. M. Fries 3 00 
3 Die Bedmgungen der Fortpflanzung bei Einigen Algen und Pilzen. 
Dr. Geo. Klebs. Jena, 1896 .... 3 50 
4 A Preliminary Catalogue of the Plants Growing on Mount Desert and 
the Adjacent Islands. E. L. Rand and J. H. Redfield. 1894.... 25 
5 Lehrbuch der Botanik fur Hochschulen. By Strasburger, Noll, 
Schenck. Schimper. Jena, 1895 2 00 
6 Handbuch der Systematischen Botanik. Dr. Chas. Luerssen. 1879. 3 00 
7 Illustrirtes Pflanzenleben. Dr. Arnold Dodel-Port. Zurich, 1883. 1 00 
8 Monographia Roccelleorum. Ein Beitrag zur Flechtensystematick. 
Otto Vernon Darbishire. Stuttgart, 1898 10 00 
9 Flecktenstudien. Hugo Zukal, 1884 1 50 
10 British Lichens. Parti. Rev. James M. Crombie, 1861 ........ . 4 00 
11 Geschichte und Litteratur ' der Lichenologie. 2 Vols. August von 
Krempellhuber. Miinchen, 1867 2 00 
12 Lichenum Helveticorum. L E. Schaerer. Bernae, 1823-1838 3 00 
13 Enumeratio Critica Lichenum Europaeorum. L. E. Schaerer. 
Bernae, 1850 1 50 
14 Systema Lichenum Germaniae. Dr. S. W. Koerber. Breslau, 1855.. 2 00 
15 Methodus qua Omnes Detectos Lichenes. Erick Acharius. 1803.. 2 00 
16 Flora Cestrica. An Herborizing Companion for the Young Botan- 
ists of Chester County, Pa. Wm. Darlington. 1853 300 
17 Introduction to Elementary Practical Biology. Chas. W. Dodge. 
Harper Bros., 1894 1 00 
18 A Laboratory Manual of High School Botany. Frederick E. Clem- 
ents. The University Publishing Co. 1900 50 
