Caricograply. 233 
different to be called by the name of either. Constant as Mr. 
Schweinitz found its characters to be, it deserved to be con- 
sidered a distinct species. . 
83. C. dioica. L. 
‘Wahl. no.1. Pers.no.1. Schw. and Torrey no.1. 
Schk. tab. A fig. 1. and tab. Q and W fig. 2. 
C. Linneana, Schk. Car. II. p. 3. tab, A fig. 1. 
Spiea simplici dioica, rarissime androgyna superne stami- 
nifera, oblonga; spica fructifera distigmatica oblonga vel 
ovata subdensiflora; fructibus ovali-ovatis utrinque convexis 
nervosis erectiusculis superne serrulaté marginatis squamam 
ovatam zquantibus. 
Culm 4—10 inches high, triquetrous, small, smooth, some- 
8. C. Davalliana, Wahl. C. Davalliana, Smith. 
Pers. no. 2. Rees’ Cyc. no. 2. 
Schk. tab, A fig. 2. 
Spica simplici oblonga distigmatica subdensiflora dioica, 
rard androgyna superne staminifera; fructibus ovato-lanceo- 
Jatis attenuatis convexis recurvis, squama ovata paulo longio- 
ribus; culmis foliisque serrulatis. a 
_ Culm often longer than the other ; leaves similar, but only 
about one third the length of the culm, and serrulate or his- 
pid; root like the other, creeping. 
This plant is found with the other in Europe, and I have 
followed Wahlenberg in considering it only a variety of C, di- 
oica. On the specimens of C. dioica received from Europe, the 
leaves vary from the smooth to the distinctly serrulate, and the 
capsules of some exactly resemble those of C. Davalliana as 
