452 COMPOSITAE. Vor. III. 
g. Antennaria A4prica Greene. Rocky Moun- 
tain Cudweed. Fig. 4401. 
Antennaria aprica Greene, Pittonia 3: 282. 1898. 
Floccose-woolly or canescent, surculose, forming 
broad patches; flowering stems 2’-12’ high. Basal 
leaves spatulate or obovate, obtuse, narrowed into 
short petioles, white-canescent on both sides, 4-15” 
long, 1-4” wide; stem-leaves linear, sessile; heads 
3-4” broad in a terminal capitate or corymbose 
cluster; involucre 2”-3” high, the bracts of the fer- 
tile heads oblong, white or pink, all obtuse, or the 
inner ones acute; those of the sterile heads oval or 
elliptical, obtuse; achenes glabrous, or minutely 
glandular. 
In dry soil, South Dakota to Nebraska, Alberta, Utah 
and New Mexico, June-Sept. Erroneously referred, in 
our first edition, as by previous authors, to the Old 
World Antennaria dioica (L.) Gaertn. 
AH) Pee, 
to. Antennaria campéstris Rydberg. 
Prairie Cat’s-foot. Fig. 4402. 
Antennaria campestris Rydberg, Bull. Torr. Club 
24: 304. 1897. 
Stolons short, leafy; flowering stems of both 
fertile and sterile plants 2-6’ high. Basal leaves 
obovate-cuneate, without a distinct petiole, 
white-tomentose beneath, glabrate above, I- 
nerved, or indistinctly 3-nerved; stem-leaves 
small, linear; heads 3’-4” broad in subcapi- 
tate clusters; bracts of the fertile heads lan- 
ceolate, greenish below, brownish at the mid- 
dle, the apex white, acute or acuminate; 
bracts of sterile heads elliptic, obtuse. 
On dry prairies, Nebraska and Kansas to Sas- 
katchewan. May-June. 
11. Antennaria neglécta Greene. Field Cat’s- 
foot. Fig. 4403. 
Antennaria neglecta Greene, Pittonia 3: 173. 1897. 
An ennaria petaloidea Fernald, Rhodora 1: 73. 1899. 
A. neglecta simplex Peck, Bull, N. Y. State Mus. 67: Bot. 
6: 33. 1903. 
Stoloniferous, the stolons long and slender, bear- 
ing small leaves, except at the ends, where they are 
normally developed. Basal leaves oblanceolate or 
cuneate-spatulate, gradually tapering to a sessile 
base, without a distinct petiole, white-tomentose be- 
neath, glabrate above, I-nerved; stem-leaves linear; 
fertile plant nearly 1° high; heads 3”-4” broad, 
-corymbose or sometimes only I or 2; bracts brown- 
ish, with white tips, lanceolate, acute; sterile plant 
4-8’ high, the heads densely clustered, the bracts 
oblong, obtuse. 
In fields and pastures, Maine to New York, Virginia 
and Wisconsin. April-June. : 
. 
