398 



COMPOSITAE. 



[Vol. III. 



2. Antennaria alpina (L.) Gaertn. 

 Alpine Everlasting. (Fig. 3843.) 



Gnaphalium alpinum I.. Sp. PI. 856. 1753. 

 Antennaria alpina Gaertn. Fr. & Sem 2:410. 1791. 



Surculose by short stolons; stems floccose-woolly, 



i f -\ f high. Basal leaves usually numerous, tufted, 



spatulate or linear-oblong, obtuse, silvery-woolly 



on both sides, or glabrate and green above, 4 // -l2 // 



long; stem leaves linear and small, few, sessile, 



woolly; heads in a terminal capitate, or seldom 



somewhat corymbose cluster, rarely solitary, 2 // - 



zYz" broad; involucre about 2^ r/ high, the bracts 



of the fertile heads dark brownish-green, the inner 



ones acute or acuminate; those of the sterile heads 



lighter, brownish, broader and obtuse; achenes 



glandular. 



Labrador and Arctic America to Alaska, south in the 

 Rocky Mountains to Colorado and in the Sierra Nevada 

 to California. April-Aug. 



3. Antennaria dioica (L.) Gaertn. Mountain Everlasting or Cudweed. 



(Fig. 3844. ) 



Gnaphalium dioicum L. Sp. PI. 850. 1753. 

 Antennaria dioica Gaertn. Fr. & Sem. 2: 410. pi. 167. 



jr. 3. 1791. 



Floccose-woolly or canescent, surculose, form- 

 ing broad patches. Flowering stems 2 / -i2 / high; 

 basal leaves spatulate or obovate, obtuse, narrowed 

 into short petioles, white-canescent on both sides, 

 or sometimes green but rarely glabrous above, 4 //r - 

 T5 // long, i // -4 // wide; stem-leaves linear, sessile; 

 heads }/'-\' f broad in a terminal capitate or cor- 

 ymbose cluster; involucre 2 // ~3 // high, the bracts 

 of the fertile heads oblong, white or pink, all ob- 

 tuse, or the inner ones acute; those of the sterile 

 heads oval or elliptical, obtuse; achenes glabrous, 

 or minutely glandular. 



Labrador and Newfoundland to Alaska, south in the 

 Rocky Mountains to New Mexico and Arizona, and in 

 the Sierra Nevada to southern California. Also in Eu- 

 rope and Asia. Called also Moor Everlasting, Cat's- 

 ear, Cat's-foot, Cat's-paws, Cotton-weed. May-Aug. 



4. Antennaria neodioica Greene. 

 Smaller Cat's-foot. (Fig. 3845.) 



Antennaria neodioica Greene, Pittonia, 3: 184. 1897. 

 Floccose-woolly, with numerous stolons which 

 are leafy throughout. Stem of fertile plants 

 slender, about i high; basal leaves about 1/ long, 

 3 // -5 // wide, broadly obovate to spatulate, 1- 

 nerved, or indistinctly 3-nerved, white-tomentose 

 beneath, generally pale and glabrate above, nar- 

 rowed into distinct petioles; stem-leaves linear, 

 acute; heads loosely corymbose, 3 // ~4 // broad; 

 outermost bracts of the involucre obtuse, the rest 

 lanceolate, acute, or acuminate, all greenish or 

 brownish below, with white tips; achenes ob- 

 tusely 4-angled, granular-papillose. Sterile plant 

 lower, 3 / -8 / high; heads more densely clustered; 

 bracts of the involucre oblong, obtuse. 



In dry shaded places, often growing with A. plan- 

 taginifolia, Quebec to Virginia, west to South Da- 

 kota. Also in Europe ? April-July. 



