MISSOURI BOTANICAL GARDEN BULLETIN 21 
organized herbarium. In addition to this, several thousand 
specimens from the private herbaria of Mr. A. W. Chapman 
and of Mr. Geo. W. Letterman have been mounted and in- 
corporated in the general collection. 
Field Work. — The botanical survey of the southwest in 
codperation with the Arnold Arboretum of Harvard Univer- 
sity has continued throughout the past season except for the 
last two weeks of August; and the collector, Mr. Ernest J. 
Palmer, has visited numerous localities in Missouri, Arkan- 
sas, Louisiana, Oklahoma, and Texas. Collections were made 
both in spring and autumn on an itinerary beginning in 
March and embracing the following and several interme- 
diate stations which were visited in the order named: Vic- 
toria, Austin, Refugio, Garrado, San Antonio, Pleasanton, 
Boerne, Kerrville, Bryan, Valley Junction, Jacksonville, Ful- 
ton, Columbus, Fort Lynn in Texas; Shreveport, Moorings- 
port, Natchitoches, Grand Ecore, and Creston in Louisiana; 
San Augustine, Beaumont, Port Arthur, Silsbee, Liberty, 
Houston, Bay City, Brazoria, Vanderbilt, San Antonio, 
Boerne, Sisterdale, Fredericksburg, Kerrville, Sabinal, Uto- — 
pia, Leakey, Burnet, Marble Falls, Granite Mountain, Llano, 
Lampasas, Brownwood, Santa Anna, Ballinger, San Angelo, 
and Bronte in Texas; Mariette, Ardmore, Bokchito, Benning- 
ton, Hugo, Broken Bow, and Valliant in Oklahoma; Fulton, 
Arkadelphia, Malvern, Benton, and Cotter in Arkansas; and 
ending at Galena, Missouri, in August. The autumn collect- 
ing was begun in September at Cotter and Fulton, Arkan- 
sas, Shreveport, Louisiana, and continued in Texas at San 
Augustine, Beaumont, Liberty, Houston, Livingston, Larissa, 
Palestine, Bryan, Austin, Pleasanton, Boerne, Kerrville, 
Fredericksburg, Junction, a a ess Uvalde, 
Del Rio, Devils River, Comstock, D’Hanis, Sutherland 
Springs, Temple, Brownwood, San Angelo, Bronte, Chilli- 
cothe, Medicine Mound, and Denison; thence into Okla- 
homa at Durant, Bennington, Bokchito, and finally ending 
the season in November at Muskogee. 
More than 10,000 excellent specimens of exceptionally in- 
teresting material were obtained. A considerable proportion 
of these were secured in the Edwards age region of Texas. 
These collections greatly augment the Garden’s representa- 
tion of the flora of the southwest. 
Distribution of Duplicates. — A distribution of over 10,000 
duplicate herbarium specimens has been made to several 
American institutions on the basis of exchange, and in re- 
turn therefor a number of valuable series of exsiccata have 
been received. On account of the uncertainty in delivery 
