North American Flora 
HIS work is designed to present descriptions of all plants growing 
independent of cultivation, in North America, here taken to include 
Greenland, Central America, the Republic of Panama, and the 
West Indies, except Trinidad, Tobago, and Curacao and other islands off 
the ght coast of Venezuela, whose flora is essentially South American. 
will be published in parts at irregular intervals by the New York 
Botsnicat Garden through the aid of the income of the David Lydig Fund 
bequeathed by Charles P. Daly. 
t is planned to issue parts as rapidly as they can be prepared, tne 
extent of the work making it possible to commence publication at any 
number of points. The asa steehea work will form a series of volumes 
with the following seque 
Volume tr. aaa Schizophyta Diatomaceae. 
Volumes 14 and 15. phyta 
Volume 16. Patigang 2 ke and Gymnospermae 
Volumes 17 to 19. wo 
olumes 20 to 30. Dicotyledon 
The preparation of the work has tee en referred by the Scientific aes 
tors of the Sue eee a ee consisting of Professors L. M. Und 
wood and N. L. B 
Professor hide F. "tkinson of Cornell University, Professors Charles 
a: Page and John M. Coulter of the University of Chicago, Mr. Fred- 
V. Coville of i hag States Department of Agriculture, Pro- 
iesace Edward L. Greene of the United States National Museum, Pro- 
fessor Biran Dow paee of Rutgers College and Professor William Tre 
lease of oe Pigg Botanical Garden have consented to act as an advis- 
ory comm 
ach see will be wholly responsible for his own contributions, 
being restricted only to the general style adopted for the work, which 
must vary somewhat in the treatment of diverse groups. 
The subscription price is fixed at $1.50 for each part; it is expected 
that four or five parts will be required for each volume. A limited num- 
ber of separate parts will be sold at $2.00 each. Address, 
THE NEW YORK BOTANICAL GARDEN 
BRONX PARK, New YorK City 
Volume 7, ie ¥, bebjoted: Sees wines: Ustilaginaceae and Tilleti- 
aceae, by G. nton, was issu 
ol.. 7, Pa rt 2; ;Coleosporiacexe, pe a and Aecidiaceae (pa 
of a Uredinaes, by J. C. Arthur, was issued March 6, 1907. oe 
olume 22, Part 1, including Podostemonaceae by George V. Nash. 
Soa by N. L. Britton and J. N. Rose, and fcsacaathial and 
Parnassiaceae by P. A. Rydberg, was issued May 22, 1905. 
olume 22, Part 2, including Saxifragaceae and Hydrangeaceae by J. 
K. Small and P. A A. Rydberg, cree Iteaceae and Hamamelidaceae 
. L. Britton, Pterostemonaceae by J. K, Small, Taugectss by bah 
Wilson and Phyllonomaceae by H. H. Rusby, was issued Dec. 18, 1905+ 
