298 Proceedings. 



From City Engineer Andrew Rinker, offering the loan of 

 a mounted bird. 



From Henry T. Claghorn, of Philadelphia, to President 

 Hatch, inviting him and the Academy to an inspection of his 

 collections. 



And one from Dr. Sandberg, touching the purchase of a 

 set of Mexican plants. 



Conway MacMillan introduced the subject of aquatic gar- 

 dening in this climate and particularly at Minneapolis, and in 

 the neighboring lakes. As an expression of the opinion of the 

 Academy, the following resolution was unanimously passed: 



Resolved, That the Minnesota Academy of Natural Sciences recom- 

 mend to the Park Commissioners of Saint Paul and Minneapolis, the con- 

 sideration of plans for aquatic gardening in the park lakes of the Twin 

 Cities, 



Mr. MacMillan then presented some botanical notes : 



[abstract.] 



Attention was directed to the lately published researches of Ed. 

 Schenck, on the cupric compounds of chlorophyll, the isolation of anilo- 

 phyll and the chemical composition of phyllocyanin. A review was given 

 of several recent botanical memoirs, principally those of M. Ward, on the 

 nitrogen-supply of plants. (Ann. Bot. Feb., 1888), of Seignette on tuber- 

 cles and their germination (Rev. Gen. Bot. Dec. 1889) ; of H. Jumelle on 

 the second function of chlorophyll (Rev. Gen. Bot. Jan., 1889). A general 

 resume of the late articles on the position of dorsiventral organs was ap- 

 pended. 



Actinoceps besseyi, Hyphomycetous fungus occurring on putrescent 

 orange skin was described as new. 



A brief discussion followed. 



Secretary Hall read a paper giving some historical notes 

 and discussing, The Place of the Academy of Sciences in an 

 American community. 



March 4-, 1 890. 



Thirty-four persons present. 



The section of botany presented the following papers : 

 Conway MacMillan discussed the question. How to teach 

 a three months course in Botany. (This paper was published in 

 Education March and April, 1890.) 



Dr. J. H. Sandberg gave a few practical directions as to how 

 to collect, prepare and preserve an herbarium. 



A number of samples were exhibited to illustrate different methods 

 practiced by him in mounting and curing plants for his herbarium. 



