268 



SYNGENE3IA ^QUALIS. 



CNICUS. Gen. Pl. 1255. 



Involucriim imbri 



Involucrum imbri- 



catunij ventricosum, cate, ventricose, with 



squamis 



Pappus plumosus. 



Receptacuhim villo- 



spinosis. spinous scales 



pus feathered. 

 ceptacle villous. 



Pap- 

 Re' 



LTISSIMUS. 



sum. 



1. 



C. foliis sessilibus, [ Leaves sessile, ob- 

 oblongo lanceolatis, long lanceolate, sca- 

 scabris, subtus tomen- brous, tomentose un- 

 tosis, dentatis, cilia- deiiieath, toothed 



tis, radicalibus pinna- fringed, those of the 

 tifidis; involucris brae- I root pinnatifid ; invo- 

 teatis, ovalis ; isqua- I lucrum ovate, bracte- 



mis ovato-lanceolatis 

 spinosis, appressis 



9 



ate 



scales ovate lan- 



ceolate, spinous, ap- 

 pressed. 



Sp. pi. 3. p. iGjl. Pursh, 2. p. 506. 



Root perennial. Stem erect, branching, sometimes on the borders of 

 the Missouri, according to Mr. Nuttall, attaining the height of 15 or 18 

 feet. Leaves tomentose and hoary imderneath, the upper one sessile, lan- 

 ceolate, irregularly spiny. Flowers terminal. Involucrum somewhat cy* 

 lindrical, the scales ovate, acuminate, oppressed, pale, with the termina- 

 ting spine discoloured and appearing as if riveted to the scale. Corona 

 generally purple. Receptacle villous. 



Grows in the upper districts of Carolina. Pursh. Willd. I have not 

 myself seen this species in Carolina, ray specimens are from Pennsylva- 

 nia. 



Flowers July — September. 



2. MuTICUS. 



5. 



C. 



foliis omnibus I Leaves all pinnati 



pinnatifidis 



9 



anuginous, 



subtus 

 laciniis I neath. 



fid, lanueinous under 



e 



spinulosis, sublanceo- | spinulous 



? 



segments 



somewhat 



