Blake,— An Atriplex new to North America 83 
Specimens approaching this variety have been seen from COLORADO: 
on dry sandy ground at 8,000 feet, Parlin, Gunnison County, August 
12-20, 1901, B. H. Smith (X). WasniNGTON: Philleo Lake, Spokane 
County, August 14, 1889, W. N. Suksdorf, no. 943 in part (A. & M). 
HARVARD UNIVERSITY. 
- 
EXPLANATION OF PLATE 113. 
Rumex maritimus L. drawn from Flora Exsiecata Austro-Hungarica no. 
1,013, Austria inferior, in paludosis ad Maria-Lanzendorf in agro Vindo- 
bonensi, 180 mt. s. m. Heimerl. 
Fig. 1. Mature fruit, X 10. 
Fig. 2. Median cauline leaf, X 1. 
Rumex maritimus var. fueginus (Phil.) Dusén drawn from Fernald, Long, 
and St. John, no. 7,339, wet brackish sand or mud at the margin of a pond 
southwest of Étang du Nord village, Grindstone Island, Magdalen Islands, 
Quebec, August 15, 1912. 
Fig. 3. Median cauline leaf, X 1. 
Fig. 4. Mature fruit, X 10. 
. Rumex persicarioides L. drawn from Fernald, Long, and St. John, no. 7,340, 
border of salt marsh, Bunbury, Prince Edward Island, August 28, 1912. 
Fig. 5. Median cauline leaf, X 1. 
Fig. 6. Mature fruit, X 10. 
AN ATRIPLEX NEW TO NORTH AMERICA. 
S. FEF. BLAKE. 
WHILE collecting during the late summer of 1913 on Miscou Island 
off the northeast coast of New Brunswick, the writer met with an 
Atriplex among the seashore sands whose appearance at once struck 
him as peculiar. The plants, which grew singly or in groups of three 
or four, never in colonies as the members of the A. patula complex 
so commonly do, were at once distinguishable from that species by 
their strongly prostrate habit, whitish stems, and dense grayish-white 
mealiness. Later in the summer a few plants of the same species were 
found on the shore of Fox Island, one of a chain of low sandy islets 
in Miramichi Bay. Subsequent herbarium study of the species, 
which was collected on Prince Edward Island so long ago as 1888 by 
John Macoun, and in 1912 in some abundance on the Magdalen 
Islands by Prof. Fernald and his companions, has shown it to be 
identical with the west European plant which, when not confused 
