-<41. |>. 0e:pQr|me:m( of OgrieyiSere:.)- 
Washington, D. 0., March 19th, 1890. 
Dr.Sereno Watson, 
Cambridge, Mass. 
Dear Sir: 
I mail you to-day, for the Harvard University Herbarium 
a set of 54 species of mosses collected in California by Bolander. 
I shall be glad to get if possible a set of Wright's Cuban moss¬ 
es, whenever they are worked up, for the National Herbarium. 
Yours truly. 
