937 
8 Enumeration of Plants of the Rocky Mountains. 
another, nesenre during the months of July and August, con- 
stituting a rainy season 
e ones object of my journey being the collection of 
plants, I may here very oie conclude this sketch of the gen- 
eral pac of scene 
he accompanying list of plants prepared from my pesaceons, 
and notes, by Prof. Gra oy ay ngelmann, will serv 
give a more precise vie f the ‘botany of this region, eet 
feulatly of, the alpine distadét, to which my attention was spe- 
cially directed. 
panels over a path so ably investigated by early explorers, 
I have still been rewarded for my labors y the Sine of 
pila cotoeenten novelties, as well as by adding quite a number 
of alpine plants, well known in the Old World, to our North 
American Flora. 
Should circumstances prove favorable, it is the intention of the 
writer to continue these observations during the coming season, . 
over a wider section of country lying to the west and south of 
the investigations of the past season 
Enumeration of the eda ni by A. GRAY, aided by notes of Drs. 
ENGELMANN and Torrey, and upon ‘the habitats, &c., by Dr. 
rr. 
Their 
order is followed. pec a a ae transpositions to he allied sf species S ae 
when it could conveniently be done. ] 
\ 
. Eri 
4 In moist shady places, near - the upper limit of the sabia it growth. 
Rays ‘ames ed with pink or purple.” The specimens (a span to a foot in 
heigh a are Y sce taller than Drummond’s plant, from the sum- 
mit of the Rocky Mountains much farther north, and the cauline leaves 
more elasping. Its affinities are with our American species of the sec- 
tion Stenactis on the one hand, and with the follow wing oe on the 
other, cnet with the form ee alpinum var. ertocalyx by Lede- 
bou mies 
8. geron 
“6 onesie 
3. V: 
a s), far less pubescent. 3 r} 
oe rigeron ss pbc Nutt. wth. ee Labia, Je pr Oe 
5, 6, 11, 33. Brigeron compositum, Sunk sitieest forms; the last 
7 teocthish and the same as E. pedatum, No. 5 is a var. diseoi- 
deum, wholly destitute of rays. p tiacaceay long ago gathered dei 
mens with very short rays. No. 33, is a imate specimen of the same 
discoid variety. 
. Erigeron acre, L., var. Just the E. Drebachensis of the Flora 
o Danica which we have from Labrador. M 
9. Erigeron Bellidiastrum, Nutt. A plant of the 
