Gray Herbarium index; Harvard University 

 - 10 v. ;  36 cm. 
<br/><br/> A reproduction of a card index, issued 1894-1903 in 20 installments by Josephine A. Clark. Since 1903 the index has been published by the Gray Herbarium, currently 3 installments per yr. of 1000 cards per issue. Cf. Pref., signed: Reed C. Rollins, director. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANICA--NOMENCLATURA<br/>FANEROGAMAS<br/>PTERIDOPHYTA
<br/><br/><label>Dewey Class. No.: </label>C 581.014  / H47