974 FLORA. 



Several species and subspecies additional to those here recognized have been 

 recently described, but I am unable at present to characterize them so that they 

 may be distinguished from the following. 



* Pappus-bristles of sterile flowers with club-shaped or dilated tips, 

 f Plant not stoloniferous ; basal leaves oblanceolate. 



i. A, Carpathica, 



1 1 Plants stoloniferous ; growing in patches. 



J Involucral bracts white, greenish brown, or yellowish; plants not arctic. 

 Basal leaves small, 0.7-2 cm. long, i-nerved, or indistinctly 3-nerved. 



Basal leaves bright green and glabrous above from the first, or slightly woolly when 



unfolding. 2. A. Canaden^is. 



Basal leaves dull and more or less persistently woolly on the upper surface. 

 Basal leaves spatulate, usually abruptly mucronulate. 



Inner involucral bracts of the fertile heads obtuse or acutish; western. 



3. A. aprica. 

 Inner involucral bracts of the fertile heads acuminate ; eastern. 



4. A. neodioica. 

 Basal leaves obovate to oblanceolate, acute or obtuse. 



Stem of fertile plant slender, 2-3 dm. high ; basal leaves mostly oblanceolate. 



5. A. neglect a. 

 Stems stout, 0.5-1.5 dm. high ; basal leaves obovate. 6. A. campestris. 



Basal leaves persistently appressed silvery-pubescent on both surfaces, very small. 



7. A. microphylla, 



Basal leaves large, 2-12 cm. long, distinctly 3-nerved, sometimes 5-nerved, the lateral 

 nerves also often prominent. 



Plants not glandular; leaves dull and woolly on the upper surface, at least when 

 young. 



Involucre of the fertile plants 6-8 mm. high. 



Basal leaf-blades obovate to spatulate-obovate. 8. A. plantaginifolia. 



Basal leaves with nearly orbicular or rhombic-obovate large blades. 



9. A. calophylla. 

 Involucre 8-10.5 mm. high. 



Bracts of the fertile involucre linear to linear-lanceolate, the inner long-acu- 

 minate. io. A.fallax. 

 Bracts of the fertile involucre oblong to lanceolate, the inner merely acute. 



11. A. Farwellii. 

 Plants glandular, at least above. 



Basal leaves and those of the ends of stolons glabrous and bright green on the 

 upper surface from the first, or slightly woolly when unfolding. 



12. A, Parlinii, 

 Leaves all dull and more or less persistently woolly on the upper surface. 



13. A. ambigens. 

 \ \ Involucral bracts dark greenish brown, acute. 



14. A, alpina. 



* * Pappus-bristles of sterile flowers not dilated, barbellate ; plant 2-3 cm. high, 

 tufted ; head solitary. 15. A. dimorpha. 



1. Antennaria Carpathica (Wahl.) Hook. CARPATHIAN EVERLASTING. 

 (I. F. f. 3842.) Plant floccose woolly throughout, not stoloniferous; stem 5-25 cm. 

 nigh, simple. Basal leaves oblanceolate or oblong, obtuse or acutish at the apex, 

 narrowed at the base into short petioles, 3-5 cm. long, 4-8 mm. wide; stem-leaves 

 linear, acute or acutish, erect, the upper gradually smaller ; heads in a terminal 

 subcapitate cluster, or rarely solitary, 5-6 mm. broad; involucre 4-6 mm. high, 

 woolly at the base, its bracts brownish purple, the inner ones of the fertile heads 

 mostly acutish, those of the sterile heads mainly obtuse. In dry soil, Lab. and 

 Anticosti to Hudson Bay. Also in Europe and northern Asia. May-Sept. 



2. Antennaria Canadensis Greene. CANADIAN CAT'S-FOOT. Scape 2-3.5 

 dm. high, slender. Basal leaves and those of the ends of stolons spatulate to ob- 

 lanceolate, obtuse or apiculate, 2.5-3.5 cm. long, I cm. wide or less, gradually 

 tapering from above the middle to a long narrow base, i-nerved or with two faint 

 lateral nerves, bright green and glabrous above, lanate beneath; stolons short, 

 leafy, assurgent; stem-leaves linear-lanceolate, distant, 1.5-2.5 mm. wide; inflo- 

 rescence capitate to racemose-corymbose; fertile involucre about Q mm. high, its 

 outer bracts oblong, obtuse, the inner lanceolate, acute to attenuate, Quebec and 

 N. B, to Vt. and Mass, May-June, 



