TABLE OF CONTENTS. ix 



MacMillan. Conway. Prefatory note 1 



MacMillau, Conway. On the occurrence of sphagnum atolls in 



central Mi nnesota 2 



MacMillau, Conway. Observations on the distribution of plants 



along shore at Lake of the Woods 949 



Pendergast, W. W. See Thompson, 8., and Pendergast, 



W. W. 

 Pound, Roscoe. A revision of the Mucoraceae with especial refer- 

 ence to species reported from North America 87 



Pound, Roscoe, and Clements, Frederic E. A rearrangement 



of the North American Hyphomycetes, 1 644 



Pound, Roscoe, and Clements, Frederic E. A rearrangement 



of the North American Hyphomycetes, II 726 



Ranialey, Francis. Revision of the Minnesota grasses of the 



tribe Hordeae 105 



Ramaley, Francis. On the stem anatomy of certain Onograceae. 674 



Schneider, Albert. The phenomena of symbiosis 923 



Sheldon, Edmund P. Some extensions of plant ranges 14 



Sheldon. Edmund P. On the nomenclature of some North 



American species of Astragalus 19 



Sheldon, Edmund P. Revised descriptions of the Minnesota 



Astragali 54 



Sheldon, Edmund P. Synonymy of the North American species 



of Juncodes, with further nomenclatural notes on 



Astragalus 62 



Sheldon, Edmund P, Further extensions of plant ranges 66 



Sheldon, Edmuod P. A preliminary list of the North American 



species of Astragalus 116 



Sheldon, Edmund P. Compilation of records of some Minoesota 



flowering plants 223 



Sheldon, Edmund P. A study of some Minnesota Mycetozoa. . . 462 



Sheldon, Edmund P. Additional extensions of plant ranges 583 



Squires, Roy W. Tree temperatures 452 



Thompson, S., and Penderg-ast, W. W. Estimation of the 



changes in dry weight of leaves of Helianthus 575 



Tilden, Josephine E. List of fresh water algae collected in 



Minnesota during 1893 25 



Tilden, Josephine E. On the morphology of hepatic elaters, 



with special reference to branching elaters of 



Conocephalus conicus 43 



Tilden, Josephine E. List of fresh water algae collected in 



Minnesota during 1894 228 



Tilden, Josephine E. A contribution to the bibliography of 



American algae 295 



Tilden, Josephine E. List of fresh water aigae collected in Min- 

 nesota during 1895 597 



Tilden, Josephine E A contribution to the life history of Pili- 



nia diluta Wood and Stigeoclonium flagelliferum 



Kg 601 



Underwood, Lucien 31. On the distribution of North American 



Helvellales 183 



