72 Rhodora [APRIL 
Sagittaria natans, Mx. South to Florida and Alabama. 
Dulichium arundinaceum (L.) Britton. West to Minnesota and 
Nebraska, south to Florida, Tennessee and Texas. 
Eleocharis interstincta (Vahl) R. & S. West to Michigan and 
northern Indiana, south to Florida and Texas. (Also in the West 
Indies and Mexico). 
Eleocharis mutata (L.) R. & S. Distribution very similar to that 
of the preceding. . 
Eleocharis Robbinsii, Oakes. West to Michigan, south to Florida. 
(But apparently not yet detected in most of the states between 
Delaware and Georgia.)! 
Eleocharis melanocarpa (Baldw.) Torr, West to Indiana,’ south 
to Florida, (Also in the West Indies.) 
Eleocharis tuberculosa (Mx.) R. & S. West to Pennsylvania, 
south to Florida, Arkansas and Texas. Also rarely in western 
Middle Georgia.3 
Scirpus Hallii, Gray. West to Illinois and Missouri,* south to 
Florida. 
Eriophorum Virginicum, L. West to Saskatchewan and Nebraska, 
south to Florida (but rare southward). Also in the Cumberland 
Mountains of Tennessee (Ga/finger). The other American species 
of this genus seem to be confined to the glacial drift, or nearly so. 
Fuirena squarrosa, Mx. (and some closely related forms or vari- 
eties). West to Michigan and Nebraska, south to Florida and Lou- 
isiana. The variety A/spida also occurs rarely in Middle Georgia. 
Rhynchospora fusca (L.) Ait. f. West to Michigan, south to 
Florida. (But apparently not yet reported from Virginia and the 
Carolinas.)® Also in the Cumberland Mountains of Tennessee 
(Gattinger), and in Europe. œ. alba has a somewhat similar distri- 
bution, and one species (A. capillacea) seems to be confined to the 
drift, but the other North American Rhynchosporae, some fifty in 
number, are principally confined to the coastal plain. 
Cladium mariscoides (Muhl.) Torr. West to Minnesota and Iowa, 
1 See Bull. Torr. Bot. Club, 30: 323. 1903. 
? See E. J. Hill, Buli. Torr. Bot. Club, 25: 392. 1898. 
3 See Bull. Torr. Bot. Club, 30: 294, 326. 1903. 
* Material from the Rocky Mountain region formerly referred to this species 
was separated by Mr. Fernald a few years ago. (RHODORA, 3: 251. 1901.) 
5 See Bull. Torr. Bot. Club, 30: 324. 1903. 
