PLANTS OF RHODE ISLAND. 
113 
aristiferum, Ralfs. 
Avicula, Breb. 
Bieneanum, Rab., var. ellipticum, Wille. 
margaritaceum, Ehrb. 
crenatum, Bailey. 
polymorphum, Breb. 
crenulatum, (Naegr.) Delp. 
muricatum, Breb. 
Ponds. 
asperum, Breb. 
rugulosum, Breb. 
punctulatum, Breb. 
pygmzeum, Breb. f. truncatum, Wolle. 
alternans, Breb. 
cyrtocerum, Breb. 
paradoxum, Meyen. 
arachne, Ralfs. 
scabrum, Breb. 
incisum, Wolle. 
cerastes, Lund. 
gracile, Ralfs. 
No. 145. 
Ophiura, Lund. 
** Rhode Island, Bailey.’’ 
Neutakonkanut, &c. 
Common. 
Providence. 
Common. 
R. W. Park. 
Spectacle Pond. 
Common. 
Benedict, Spectacle and Mashapaug 
In same localities. 
Common. 
Providence, Mr. Lathrop. 
Common. 
Common. 
Common. No. 147. 
Quidnessett, &c. 
Common. 
Lonsdale Pond. 
Quidnessett. 
Spectacle Pond. 
Providence, Mr. Lathrop ; Spectacle Pond. 
Common. 
var. tetracerum, Wolle. 
S. tetracerum, Ralfs. 
macrocerum, Wolle. 
Rotula, Nord. 
leptocladum, Nord. 
grallatorium, Nord. 
iotanum, Wolle. 
vestitum, Ralfs. 
teliferum, Ralfs. 
echinatum, Breb. 
hirsutum, (Ehrb.) Breb. 
Hystrix, Ralfs. 
furcigerum, Breb. 
eustephanum, (Ehrb.) Ralfs. 
spongiosum, Breb. 
arctison, Ehrb. 
enorme, Ralfs. 
8 
Alg. Rhod. No. 146. 
Spectacle Pond. 
Neutakonkanut. 
Providence. 
Common. 
Davisville Brook, &c. 
Common. 
Providence. 
Providence. 
Providence, &c. No. 148. 
Providence, &c. No. 144. 
Quidnessett. 
Apponaug, &c. 
Common. 
Neutakonkanut. 
Providence. 
