82 AMERICAN MIDLAND NATURALIST 
Capitula pauca, magna, sessilia. Pappus maris apice levissime 
incrassatus barbellulatus. 
Collected at Leeds, North Dakota, 7 May, 1902, by Dr. J. 
Lunell, and by him distributed for A. campestris. From both that 
and A. parvula this differs very materially in a number of par- 
ticulars. At its flowering time it has beautifully leafy stolons as 
long as the stems are high. The character of the indument is 
entirely different from that of either, and so also is the form of 
foliage. 
Having here transcended my proper limits and taken up 
this one species belonging to the region north of the headwaters 
of the Mississippi, and which is more properly a part of the vast 
system of steppes of the Canadian Northwest, I might be expected 
to go further and take into this census other antennarias of North 
Dakota; but I shall leave the summing up of those to the resident 
botanist, Dr. Lunell, in hope that, with the handsome little A. 
Lunellii, added to the list, he will soon give us the enumeration 
of them, with what is always desirable, field notes on their habits 
and associations. 
Entering now upon the consideration of the group of larger 
species with broad and petiolate leaves we encounter difficulties. 
In the eastern parts of the United States where these species abound 
a few of them are of such marked vegetative characters as to be 
recognized at once in either the fertile plant or the sterile. In 
the greater part of the group the fertile plants are so very much 
alike that the species is hardly distinguishable until you have 
also the sterile plant, and very interesting is the fact that these 
male plants are very plainly different in the different species, when 
the females are with difficulty distinguishable by the most expert. 
The discouraging circumstance, however, is this, that in certain 
cases the sterile or male plants of a species are exceedingly rare, 
so that one may search a township or a county wherein a species 
is abundant without finding a male plant at all. Just how many 
species of this section of Antennaria there are in the Middle West 
will therefore not soon be ascertained; but at present we safely 
list, because able readily to define, a small number. 
1o. Antennaria umbellata. Planta feminea saepissime ped- 
alis, caule tenui summitate ‘capitulis 5-9 tenuiter pedicellatis 
