North American Flora 
HIS work is designed to present descriptions of all plants growing 
independent of op ua in North America, here taken to i 
Greenland, Central America, the Republic of Panama, anid the 
West Indies, except Trinidad, Tobago, and Curacao and other islands off 
the north coast of Venezuela, whose flora is essentially South American. 
It will be published in parts at irregular intervals by the New York 
Botanical Garden ss the aid of the income of the David Lydig Fund 
bequeathed by Charles 
It is planned to issue parts as rapidly as they can be prepared, the 
extent of the work making it possible to commence publication at any 
number of points. The ae ee work will form a series of volumes 
with the following sequence 
e1. Mycetozoa, " Schizophyta, Diatomaceae. 
Volumes 2 to ro. gi. 
Volumes 11 to 13. Algae. 
Volumes 14 and 3 Bryophyta. 
Volume 16. Pteridophyta and e's reg 
Volumes 17 to 19. ecseneal rots 
Volumes 20 to 30. Dicotyledon 
The preparation of the work has be referred by the Scientific Direc- 
tors of the Garden to a committee consisting of Professors L, M. Under- 
wood and N. L. Britton. 
Professor George F. Atkinson of Cornell University, Professors Charles 
R. Barnes sie Misr: M. Coulter of the University of Chicago, Mr. Fred- 
erick V. Coville of the United States Department of Agriculture, Pro- 
fesace Edward L. Greene of the United States National Museum, Pro- 
fessor Byron D. Halsted of Rutgers College and Professor William Tre- 
lease of the Missouri Botanical Garden have consented to act as an advis- 
ory committee 
Each author 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 sp it is expect ted 
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 YorRK CITY 
olume 7, Part 1, Ustilaginales, including Ustilaginaceae and Tilleti- 
aceae, by G. P. Clinton, was issued Oct. 4, 190 
OL 9, Part 3; Coleosporiaceae, Uredinaceae and Aecidiaceae (pars), 
of the Uredinales, by J. C. Arthur, was issued March 6, 1907. 
Volume 22, Part 1, including Per eamonatc by George V. Nas h, 
7 
egies by P. A. Rydberg, was issued May go5. 
22, Part 2, including Saxifragaceae des ‘Tiydrangeacese by J. 
K. Small nares A. Rydber Peinrcongeaieges Iteaceae and Hamamelidaceae 
. L. Britton, Pterostemonaceae by J. K. Small, Altingiaceae by ee: 
Wilson and Phyllonomaceae by H. H. Rusby, was issued Dec. 18, 1995+ 
