194 
Spring Flora of Oklahoma 
X. ANTENNARIA Gmrtn. 
Perennial, white, woolly herbs. Leaves mostly basal, 
broad, entire. Heads corymbose or racemose. Heads many- 
flowered, dioecious, the flowers all tubular. Involucre dry, 
scarious, white or colored, imbricated. Receptacle naked. 
Achenes terete or flattish. Pappus a single row of bristles, 
in the fertile flowers capillary, in the staminate ones clavel- 
late-thickened at the tips. 
Basal leaves large, mostly 2'-5' long, mostly 10" wide or 
wider, oblong to obovate, 3-5-nerved.' 
1. A. plan-tag ini folia. 
Basal leaves small, 2'-long or less, spatulate to oblanceo- 
late or obovate, mostly 1-nerved. 
2. A. campestris. 
1. Antennaria plantagin folia (L.) Richards. Plantain-leaf 
everlasting. Floccose woolly, stoloniferous, forming broad patches. 
Flowering steins of fertile plant 4'-20' high. Sometimes with erlaml- 
ular hairs. Basal leaves obovate, spatulate or broadly oval, distinctly 
3-ribbed, dull dark-green and cobwebby above, silvery beneath. Stem 
leaves sessile, oblong or lanceolate. Heads in corymbose or often 
subcapitate clusters, 4"-5" broad. Involucral bracts, greenish-white, 
linear to lanceolate. Achenes minutely glandular. Sterile plant 
smaller, 3'-8' high. 
In dry soil. April-June. Common. 
2. Antennaria campestris Rydb. Pratrie Cat’s Foot. Stolons 
short, leafy. Flowering stems of both fertile and sterile plants 
2'-6' high. Basal leaves obovate-cuneate. white-tomentose beneath, 
glabrate above, 1-nerved or indistinctly 3-nerved. Stem-leaves small, 
linear. Heads 3"-4" broad, in sub-capitate clusters. Bracts of the 
fertile heads lanceolate. Bracts of the sterile heads elliptic. 
On dry prairies. May-June. Lincoln County. 
XI. GNAPHALIUM L. 
Woolly, erect, or diffusely-branched herbs. Leaves al¬ 
ternate. Heads discoid, in corymbs, spikes, racemes, or 
capitate. Receptacle flat, convex or conic. Pistillate flow¬ 
ers in several series. Central flowers perfect, tubular, few. 
Achenes oblong or obovate, terete or slightly compressed, 
not ribbed. Pappus a single series of capillary bristles. 
1. Gnaphalium purpureum L. Purplish Cudweed. Annual or 
