83 



AMÉRIQUE SEPTENTRIONALE. 



ETATS-UNIS (UNITED STATES). 



DISTRICT OF COLUMBIA. 



Washington . 



MM. Spencer Fullerton Baird, secretaiy of the Smitlisonian Institution . 

 Dr J. S. U. S. Army Billings (Champignons). 

 Prof. J. W. Jr Chickering, Deaf Mute Collège (pi. Colomb, et 



Appalach). 

 Dr Josiah Curtis (Microscop.). 

 Prof. P. V. U S. Hayden, Geol and Geog. Survey of Territ., Dpt. 



Ind. (pi. du Missouri sup.). 

 Dr W. J. Hoffman, 509.7 th. St. N. W., assist. natural. to Hayden 



's Survey. 

 Rudolpk Oldberg, German National Bank (Mousses). 

 Wm. Saunders, Dept. of Agric. (pi. cultiv.). 

 W. H. Seaman, Dep. of Agric. (Cryptogames). 

 W. R. Smith, U. S. Bot. Garden. 

 Thomas Taylor, Dept. Agric. (Pathologie). 

 Dr Geo. Vasey, botanist of the Dept. Agric. (Graminées, Cypéra- 



cées). 



ALABAMA. 



mobile. 



M. Charles Mohr, Box 1277 (Mousses). 



Tuscaloosa. 



Miss Julia S. Tutwiler (Fougères). 



