= Say on Shells, §-c. 381 
" 1 all'indebted to the politeness of Mr. Collins, for the facts 
on this subject relative to Muhlenberg’s herbarium. « He ob- 
serves, “your Gnaphalium is certainly not the luteo-album of 
Mahlenberg, which may not stricly be a native, but intro- 
duced. Y most appoaches G. polycephalum, Mx. Still, 
from | ent leaves and other differential marks, it 
: to be a new species. Muhlenberg’s collectiom 
As theeluteo-album is said to grow in New England, yet so 
far as my observation has extended it has not been found by 
any of the botanists, I am induced to believe that this opinion 
-has arisen from some erroneous description of the plant which 
is the subject of this paper. _ 
: As the decurrent leaves of this Gnaphalium distinguish it so 
obviously from all the other American species of Gnaphalium, 
I propose to give it the specific name of decurrens. 
yom 
Specific description of Gnaphalium Decurrens (large life everlasting.) 
Leaves lanceolate, broad at base, acute, decurrent, some- 
what scabrous above, tomentose beneath; stem leafy, branched, 
spreading about three feet high.—See the plate which repre- 
sents a section of the upper part of the plant. 
eee ee Tanna 
FOSSIL ZOOLOGY, &c. 
4 ~~» 8 OE< 
a ; = 
: Art. XII. Observations on some Species of Zoophytes, Shells, 
&c. principally Fossil, by Tromas Say. 
: 
I; the following descriptions and notices of some of the 
animal productions of our country, chiefly fossil, and of which 
some are but little known, should be found of sufficient in- 
terest to occupy a place in the Journal of Science, they are 
very much at your service for that work. ; 
Vol. 1.... No. 4. 9 
