I2O 



77a. Leaves broadly halberd-shape, 3-lobed (12 m. high; flowers 



white, late summer) 105b. 

 77b. Leaves lobed only at the base (510 dm. high; flowers yellow, 



summer) 93a. 

 77c. Leaves pinnatifid (2 8 dm. high; flowers yellow) 172. 



78a. Bracts of the involucre dry and chaffy, at least at the tip; 



plants always pubescent and usually white-woolly 79. 

 78b. Bracts of the involucre green or colored, but never dry and 



chaffy 90. 



79a. Pappus none; heads 3 4 mm. wide, in ample panicled spikes 



(flowers yellowish, late summer) 74b. 

 79b. Pappus a minute ring or crown; leaves crenate (5 10 dm. high; 



flowers yellow, summer) 93a. 

 79c. Pappus of hairs; heads in flat-topped clusters or slender spikes 



80. 



80a. Heads sessile or subsessile in small flat-topped clusters; 



flowering in spring or early summer; principal leaves basal 



(1 4 dm. high; flowers white or purplish) (Everlasting) 81. 

 80b. Heads in terminal spikes (2 6 dm. high; flowers purplish, 



summer) Cudweed, Gnaphalinm purpiireiim. 



80c. Heads in small or large flat-topped clusters, flowering in 



summer or autumn; principal leaves on the stem 88. 



81a. Stolons from the basal rosette of leaves leafy throughout and 



ascending at the tip 82. 

 81b. Stolons prostrate throughout, leafy only at the tip 87. 



82a. Basal leaves 2 5 cm. long, 1-nerved 83. 

 82b. Basal leaves 5 12 cm. long, 3-nerved 84. 



83a. Basal leaves spatulate or oblanceolate, smooth above 



Everlasting, Anteiinaria canadensis. 

 83b. Basal leaves obovate, pubescent above 



Everlasting, Antennaria neodioica 



84a. Basal leaves smooth above Everlasting, Antennaria parlinii. 



84b. Basal leaves dull green and pubescent above 85. 

 85a. Heads 6 8 mm. high. Everlasting, Antennaria plantaginifolia. 

 85b. Heads 811 mm. high 86. 



86a. Leaf-blade ovate or obovate Everlasting, Antennaria fallax. 



86b. Leaf-blade spatulate, with rounded tip 



Everlasting, Antennaria occidentalis. 



87a. Styles crimson Everlasting, Antennaria neglecta. 



87b. Styles pale yellow Everlasting Antennaria petaloidea. 



88a. Erect; involucral bracts pearly white (49 dm. high) 



Pearly Everlasting, Anaphalis margaritacea, 



88b. Erect; involucral bracts dull white or pale brown, some- 

 what pubescent (48 dm. high) (Cudweed) 89. 

 88c. Diffusely branched; heads in dense clusters; bracts brown 

 (12 dm. high) Cudweed, Gnaphalinm uliginosum. 



