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No. 210. The Genus Desmatodon in North America, 
by R. S. Williams. 
No. 211. Phytogeographical Notes on the Rocky 
Mountain Region—VIII. Distribution of the Montane 
Plants, by P. A. Rydberg. 
No. 213. Taxonomic Studies in Vernonia and Related 
Genera, by H. A. Gleason. 
No. 214. A brief Conspectus of the Species of Kneiffia, 
with the Characterization of a New Allied Genus, by F. W. 
Pennell. 
No. 215. Tulip Droppers, by A. B. Stout. 
These include 106 pages and 3 plates. Contribution 
number 212 is begun and awaits completion during 1920. 
With the approval of the Scientific Directors, I have 
begun supplying brief botanical notes and articles of gen- 
eral interest to the Scientific American, with the coopera- 
tion of other members of the staff. Actual publication of 
this matter is expected at an early date. 
For many years there has been in America a growing 
interest in the cultivation of the various species of Iris, 
culminating in the suggestion, frequently expressed, of an 
Iris Society with trial grounds and exhibition garden. 
I have entered into this movement in cooperation with 
several leading Iris growers, and a society will soon be 
organized. In all probability, the society will wish to 
establish its first gardens on our grounds, and the Scientific 
Directors have already expressed their approval of this plan. 
Under this arrangement the Garden may soon have the 
largest and most complete collection of Iris in America, 
without any cost other than the preparation of the ground 
and the maintenance of the collection. 
In my personal research, I have finished and published 
several small articles for which data had been secured 
prior to my connection with the Garden, and have pre- 
pared the manuscript for that part of North American 
Flora dealing with the tribe Vernonieae of the family 
Carduaceae. I have also begun the examination of our 
