﻿The Publications of the Department of Botany, Co- 

 lumbia University, consist of Memoirs in quarto and 

 Contributions in octavo. 



The Memoirs already published are: 



Vol. I. Small. A monograph of the North American species of 



the genus Polygonum, pp.178. 84 plates. 1895. Price, 

 six dollars. 



Vol. II. Rydberg. A monograph of the North American Poten- 



tilleae. pp.224. 112 plates. 1898. Price, six dollars. 



The Contributions have now reached the seventh volume. 



Vol. I. Nos. 1-25 (1886-1892). Out of print, except Nos. 6, 7 



II, 17, 20, 21, 22, 24. These can be supplied at twenty- 

 five cents each, except No. 6, which is one dollar. 



Vol. II. Nos. 26-50 (1892-1894). Nos. 26, 28, 29, 32, 33, 34, 36, 



39 and 48 are out of print. Other numbers can be supplied 

 at twenty-five cents each, except No. 35, which is one dollar 

 and a half. 



Vol. III. Nos. 51-75 (1 894-1 895). Nos. 52, 54, 60 and 72 are 



out of print. Others can be supplied at twenty-five cents 

 each . 



Vol. IV. Nos. 76-100 (1 895-1 896). Five dollars; single num- 

 bers twenty-five cents each. 



Vol. V. Nos. 101-125 (1896-1897). Five dollars; single num- 

 bers twenty-five cents, except No. 1 19, fifty cents. 



Vol. VI. Nos. 126-150 (i 897-1 898). Five dollars; single num- 

 bers, twenty-five cents, except Nos. 129 and 143, fifty cents. 

 Vol. VII. No. 151 — (current). 



Lists of titles of Contributions may be had on application. 



Lucien M. Underwood, 



Professor of Botany. 



Columbia University, 



New York City. 



