CONTENTS 



No. 109. 



No. 110. 

 No. III. 



No. 112. 



No. 113 

 No. 114 

 No. 115 

 No. 116 

 No. 117 



The Genus Cephalozia in North America. By L. M. Un- 

 derwood (1896). 



New and noteworthy Species of Saxifraga. By John K. 

 Small (1896). 



Notes on Potentilla — IV. By P. A. Rydberg (1896). 



Studies in the Botany of the Southeastern United States — 

 VII. By John K. Small (1896). 



Notes on Potentilla — V. By P. A. Rydberg (1896). 



Reinke's Discussions of Lichenology. By Albert Schneider 

 (1896). 



Two Nuttallian Species of Oxalis. By John K. Small 

 (1896). 



The North American Species of Agrimonia. — Geum Cana- 

 dense flaviim (Porter) Britton, a valid Species. By Eu- 

 gene P. Bicknell (1896). 



Terminology among the Orders of Thallophytes. By L. 

 M. Underwood (1896). 



Notes on Potentilla — VI. By P. A. Rydberg (1897). 



New and noteworthy American Grasses — V. By Geo. V. 

 Nash (1897). 



An apparently undescribed Species of Primus from Con 

 necticut. — A new Polygonum from Bolivia. — The Relation 

 between the Genera Thysanella and Polygonella as shown 

 by a hitherto unobserved Character. By John K. Small 

 (1897). 



Some new Fungi, chiefly from Alabama. By L. M. Un- 

 derwood (1897). 



An undescribed Lechea from Maine. By E. P. Bicknell 



(1897)-, 

 Chromatin-reduction and Tetrad-formation in Pterido- 



phytes. By Gary N. Calkins (1897). 

 Studies in the Botany of the Southeastern United States — 



IX. By John K. Small (1897). 

 New or noteworthy American Grasses. By Geo. V. Nash 



(1897). 



