175 
critical descriptions of these groups will be brought out in the 
earlier numbers of the Systematic Botany of North America, the 
publication of which has been undertaken by the Garden. Dr. 
Britton will return about the middle of September. 
Dr. Alex. P. Anderson has resigned his position of curator of 
the herbarium of Columbia University, and has taken up his 
duties as expert to the syndicate now engaged in developing the 
new method of treating starchy grains, etc., recently discovered 
by Dr. Anderson in the laboratories of the Garden (see page 87 
of this JournaL for 1902). Dr. Anderson is fitting up a special 
laboratory for the continuance of his work at Minneapolis. 
Dr. A. S. Hitchcock, of the Division of Agrostology of the 
U.S. Department of Agriculture, spent several days at the Garden 
during July in making critical examinations of type specimens of 
some of the grasses. 
Professor Howard J. Banker, of the Southwestern State Normal 
of Pennsylvania, was in residence at the Garden during July, being 
occupied in the continuance of some work begun while a student 
of Columbia University in 1899-1900. 
Dr. A. W. Evans, of Yale University, and Mr. Percy Wil- 
son, Museum Aid, returned from a collecting trip to Porto Rico 
early in August. A large collection of herbarium, museum and 
living material was brought back for the Garden. The small 
area of primeval forest on the island was investigated, and a 
number of large palms were successfully transported to New 
York. 
Contributions have been recently issued as follows: Nos. 22 
and 23, Studies on the Rocky Mountain flora, by Dr. P. A. 
Rydberg. New species of larkspur (Delphinium), columbine 
(Aguilegia), Anemone, Clematis, Atragene, Ranunculus, poppy 
(Papaver), Bicuculla, Stanleya, Roripa, Lesquerella, Physaria, 
Cardamine, Sophia, Draba, Geranium, Oxalis and Lupinus are 
described and many interesting notes on the occurrence and 
characters of a number of species are given. No. 24, by Miss 
. White, is a revision of the family of nee small 
ee which rarely reach a height of over half an inch, growing 
