334 SYNGENESIA SUPERFLUA. 



* Floribus sub co- I ^Flowers * generally 

 rymhosis. I corymbose. 



1. Argentea. Persoon. 



C. sericea; foliis j Silky; leaves lanceo- 

 lanceolato - linearibus, late, linear, erect, acute, 

 erectis, acutis, integer- | entire; corymb some- 

 rimis; corymbo sub pa- 

 niculato; involucris pu- 

 bescentibus: caule su- 



; 



what paniculate; invo- 

 lucrum pubescent; stem 



nearly naked towards 

 the summit. 



perne subnudo. 



Inula Argentea. Pursh, % p. 532. Nutt. 2. p. 151. 



Root perennial. Stem about two feet high, branching towards the sum- 

 mit. Leaves long, (those of the root ten to twelve inches,) nearly linear, 

 somewhat rigid, entirely covered as well as the stem with long silken hairs, 

 longitudinally appressed to their surface. Flowers in an irregular terminal 

 corymb. Involucrum imbricate^ leaves subulate, acute, pubescent, and in 

 the specimen now before me, more covered with glands than those of the 

 succeeding species. Florets of the ray ten to twelve; of the disk numerous, 

 all yellow. Seeds oblong, villous or hispid. Pappus of both florets simi- 

 lar, the exterior subulate, resembUng the interior in colour 5 interior very 

 scabrous, light brown. 



Grows in dry soils. 



Flowers July — October, 



2» Graminifolia. Mich. 



C. sericea, foliis Ian- I Silky; leaves lanceo- 

 ceolato-linearibus, acu- I late linear, acute, en- 

 tis,integerrimis,nervo- I tire, nerved; corymbs 

 sis; corymbis composi- I compound; stem leaiy 

 tis; caule superne fo- | towards the summit 



liaceo. 



Inula Graminifolia. Mich. 2. p. 122. Pursh, 2. p. 532. Nutt. ^. P- l^*' 

 t^rigeron Nervosum. Sp. pi. 3. p. 1953. 



Root perennial. Stem about two feet high. Leaves long, linear, ^^^^^^ 

 distinctly nerved, covered as well as the stem with a pubescence ^^^^^^.^^^ 



species^ " 



ingminy heads. Florets of the ray 



ydlow. Stamens naked at 



ie^, corymb compound, sometimes contai - 

 ay, ten to twelve; of the disk "^""^[^'f ^j't 



as long as the corolla (of the disk,) at m 



