232 C. Dewey on Caricography. 
Culm 2-8 feet high, erect, strong, shorter than the broad stiff 
rough nodose and reticulate-veined leaves; plant glaucous-green, 
except the yellowish spikes. 
undant over the country by streams. 
-Confounded in our country with C. fe oni but separated 
some years since by Dr. Boott in Hook. Flo r. Am. 
C. ampullacea var. erwin. Carey in Masta and this var. 
much the most commo 
Var. sparsiflora, ae "All the spikes long, 8-6 inches, slender, 
and ay pistillate quite loose—flowered and more lax below and 
attenuated; fruit smaller, and scale longer. 
oTe.—The following changes in the names of some species, 
already oe in this Journal, become necessary, and some 
correctior 
C. psa Wormsk. is ana to that difficult form, C. davalli- 
ana, Sedona vol. x, p. 283 of this Journal, and the characters need 
to re full. 
C. syrocat Wormsk. Weiss Supp., t. 31. 
Spica a, dioica; pistillifera oblonga sublaxiflora; fructi- 
bus web ratibes vel oblon ngis basin teretibus, nervosis, cum Tos- 
maturis sub-horizontalibus, squama ovata acuta paullo longiori- 
bus 
Culm 4-6 inches high, roundish, glabrous, suleate, longer than 
the strong, a it rved leaves 
—Dr. Sartwell, as well as Greenland and Al- 
pine Laplan d 
C. tenella, Ehrhart, not Schk., is the oldest name of @. Per- 
soonw, Sieb., in this Journal, vol. ‘xix, p. 258, Second Series. For 
synonyms, see also Carey in Manual, 514. This name of I - 
is the true designation. 
C. lenticularis, Mx. Boott, Illus. No. 76. 
Since the description of this species in this Journal, vol. ay 
175, Second Series, it has been found on the White Mts. 
also at Lake Avalanche N. Y.—Torrey and Gray. ie ae 
fiteints 1, rarel - pistillate spikes 2-5 — obtuse, and 
et oval or ovate, short-ros 
