248 The Botanical Gazette. [August, 
(1881). As the last edition of Gray’s Manual states that it 
has spread eastward to western New York, it has evidently 
gone this distance since about 1873. It is often a very vig- 
in great abundance. Though the foliage resembles that of 
A. albus, the general appearance of the plant is very different 
from that of the globular and bushy tumble weed. 
7. Cycloloma platyphyllum Moquin.—It is stated in Gray's 
Manual (6th edition), that this western plant extends to west- 
ern Illinois and southern Indiana. It also occurs here and 
was first reported in Babcock’s list (supplementary part, De- 
cember, 1873), as ‘‘rare” by the I. C. R. R. In 1875 I found 
it growing by the C., R. I. & P. R. R., near the normal 
- Schoolin Englewood. Last year I saw it by the L. S. & M. 
S. R. R., between Miller’s and Dune Park, Inds “It also oc- 
curs at the city of Evanston, north of Chicago. From its be- 
ventive at Clarke, and has all the appearance of Mt Fi ra” at 
Lake, and is so regarded by the authors of the ‘Flo 
Evanston, 
