106 
Exploration —By means of an appropriation voted by 
Board of Managers, considerable exploration and een is 
being accomplished this summer. Dr. Marshall A. Howe is in 
Bermuda, studying the marine algae, and on his return will spend 
some time at points on the Atlantic seaboard on the same group 
of plants. His collections will add much of value to the museum 
; D 
e 
Vreeland as a volunteer assistant; a consignment of hereasiun 
specimens and several parcels of roots and seeds, including some 
especially interesting hardy cacti, have already been received 
im; Dr. D. T. MacDougal is examining for a few weeks 
the flora of northern Idaho, and Dr. C. C. Curtis is in western 
Wyoming ; the collections of Messrs. Rydberg, MacDougal and 
Curtis are being made with the especial object of aiding Dr. Ryd- 
berg’s studies on the botany of the Rocky Mountains, his first 
paper concerning this investigation Hale recently been pub- 
lished as Garden Contribution No. 5; the work is in continua- 
tion of his studies on the flora of Montana ae the Yellowstone 
National Park, published this spring as Garden Memoirs, Vol. 1; 
Professor F. E. Lloyd will join Professor S. M. Tracy in August 
at Biloxi, Miss., for a botanical exploration of the delta of the 
Mississippi River, a region from which scarcely any specimens 
exist in museums or herbaria. Supplementary to the operations 
under this appropriation, Mr. R. M. Harper and Mr. Percy Wil- 
son are collecting in northern Georgia, and Dr. Britton, with 
r h 
in swinging frames in the systematic museum, second floor of the 
Museum Building. 
Weather Notes for es —-The temperature records at the three 
stations in the Garden show a wide range for the month of June. 
In the herbaceous ane (Sta. 1), the temperatures rang 
from 44.5° on June sth, to 94.5° on the 2 lock 
forest (Sta. 2), the corresponding range was from 49.5° on the 
