# 
- Obs. This distinctly marked species approaches the E. tricos- 
taia of Torrey’s Monogr. N. Amer. Cyper. p. 310. It was er- 
roneously inserted in my Catalogue of Plants in the Pasko of 
Columbus, under the name of Z. tortilis, Schultes. 
Two plants, which have been supposed to be itedtlyd or alto- 
gether confined to Arkansas, are also natives of central Ohio; 
one, the showy E’rysimum Arkansanum of Nuttall, has dtreadly 
teen noticed ; the other is the E'ulophus Americanus of the 
same author, whith I have collected in the Darby Plains, about 
fifteen miles from Columbus; and Dr. Short has also detected 
iti In the southern parts of Kentucky. 
cian, Nutt. .This genus, which exhibits an union of the 
campylospermous and coelospermous structures, has been incor- 
reetly described as destitute of vittee. It has, however, three to 
four vittee in each interval, and six to eight in the commissure. 
Vaterrana crntata, Torr. §& Gray. This interesting plaut is 
polygamo-diwcious, at least in the Ohio localities, with the pis- 
tillate flowers not more than half the size of the staminate ; just 
as in V. dioica, tuberosa, tripteris, and several other European 
ee es _— Fi. — Se peg ‘337. 
2S Se a ee a ac pa SB A A 
Arr. IIl.—Notes upon the Cite ot i West d States ; ; iy 
ae: - Janes Harr, State Geologist of New York. ee | 
siliaveil edie sdbetinay the: last spring a tour of cid oration 
menat the states of Ohio, Indiana, Illinois, a part of Michigan, 
‘Kentucky and Missouri, and the territories of Iowa and WVinwotie 
~ ; a few observations upon the geology of this region may not 
‘be unacceptable to the readers of the American Journal of Scei- 
ence. ‘The tour was commenced with a view of tracing ‘the 
rocks wis New York westward, and of ascertaining how far the 
‘grouping adopted in the reports already made, was applicable in 
the western extension of the series. Another object which was 
deemed of great importance, was that of clearly ascertaining and 
‘defining: the true position of the rock in which the lead ore od 
Hllinois, Wisconsin, and Iowa is found. 
sa ae AM city has arson among sli 
stroll «.. 
? Nii ere han oe a” we 
