406 Enumeration of Plants of the Rocky Mountains. 
140, Arenaria Fendleri, Gray, Pl. Fendl. 
141. Arenaria arctica, Stey., var. 7, Torr. & Gray. 
142. Claytonia arctica (Adams), var. megarhiza : foliis caulinis lance- 
ee a a a a 
form. But the leaves of the cauline pair in our plant are much longer 
and narrower, tapering into a petiole, ard they closely subtend the short 
raceme ; 
Aided by Dr. Parry’s excellent specimens, I have now reviewed my 
MS. notes upon Pursh’s C. lanceolata (which has been such a uzzle), 
and upon the related perennial species. It will be seen that Pursh’s 
name, ptive _ 
“Pall. MSS.,.” and states that he found in herb. Lamb. “a specimen | 
collected by Pallas in the eastern part of Siberia, perfectly agreein 
with the present species,"—doubtless the C. Joenneana, Roem. & Sch, 
F 
materials he had from Lewis, which last also perhaps comprised por- 
tions of two species. The radical leaves figured, which certainly are » 
are said 
vary from ovate to elliptical: the naked corm, resembling that of @. 
’ sane te be 
: ng 
ay therefore, if permanently distinct from its eastern rel 
r 
on by Pursh 
the tuberiferous or corm-bearing plant, above-mentioned, and which 
m: ive, 
that name. With it is a specimen, ticketed by Pursh “C. lancifol 
model for the flowering stem of Pursh’s re, but it is not accompa 
nied by any root or any radical leaves; skis as to the corm-bearing 
