TABLE OF. CONTENTS. 
Undescribed plants from Guatemala and other Central American republics. 
XVIII. Plate 1. 4 . John Donnell Smith 
Myelopeteris Topekensis, n. sp.: a new carboniferous plant. Plates 1 and 11. 
D. P. Penhallow 
A new quillwort. Plates Iv and v : ‘ Raynal Dodge 
Opportunities for research in botany offered el hota institutions , 
Some new species of Minnesota _— which live in a calcareous or siliceou 
matrix. Plates vII-1x . ‘ : . Josephine E. Ti — 
Notes on Uroglena Americana. Plate x Me Se GD Bowe, Jr 
Hypoxis erecta: a bibliographical Mens. Fitext =... . The. Hole 
_ Copieaicn: to the vey of Salix. Plates XII~XVIIt. 
Charles J. Chamberlain 
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