544 



SYNGENESIA SUPERFLUA. AstCr. 



ledifolius. 



uniflorus. 



Icon. Pluk. aim. t. 7Q.f. 2. 



In dry swamps and on the borders of woods : Pensylva- 

 nia to Carolina. 11 . Aug. — Oct. v. v. ; v. s. in 

 Herb. Banks, et Lambert. About two feet high ; the 

 scales of the calyx white, with green tips 3 rays long, 

 white. 



tordifolius. 3. A. foliis cuneato-obovatis acutis enervibns utrinque sca- 

 bris tortuoso-patulis, corymbo composito subfastigiato, 

 calycibus cylindricis inibricatis basi bibracteatis, squa- 

 mis oblongis acutiusculis adpressis, radio 5-floro. — 

 Mlch.fl. amer. 1. p. 109. 

 Conyza bifoliata. Wall.fl. car. 104. 

 In Lower Carolina and Georgia. 1/. Aug. — Oct. v, s, 

 in Herb. Enslen. About a foot high 3 flowers the size 

 of the preceding, rays white. 



4. A. foliis lineari-lanceolatis basi attenualis enervlbus sca- 

 briusculis marginerevolutis, ramis corymbosis, ramu- 

 lis filiformibus unifloris nudiusculis, calycibus laxis 

 inibricatis disco duplo brevioribus, foliolis acutissimis, 

 radio sub-20-floro, 



A. nemoralis. Jit. keiv. 3. p. I98. 

 |3. A. cau'.e simplicissimo unifloro. 



A. unitlorus. Mich.Ji. amer. 2. p. 110 ? 



In sphagnous bogs and about mountain-lakes : Canada 

 to New Jersey. 1/ . Sept. Oct. v. v. ; v. s. in Herb. 

 Banks, et Lambert. About a foot high ; flowers mid- 

 dle-sized 5 disk yellowish white 5 rays lilac or reddish- 

 purple, twice the length of the disk. Sometimes the 

 leaves have a small indenture on each side. 



Tigidus, 5. A. foliis linearibus mucronatis subcarinatis rigidis mar- 



gine scabro-ciliatis, caulinis reflexis, rameis patenti- 

 bus subulatis, caule erecto superne subramoso, ramu- 

 lis 1-floris corymbosis, calycibus inibricatis disco du- 

 plo brevioribus, squamis carinatis obtusiusculr«7^ radii? 

 suh-10-&ousre^ex\s.— lViUd.sp.pL3. p. 2032. Mich. 

 Jl. amer. 2. p. 11 S. 



A. nemoralis. IFiUd. sp. pi. 3. p. 2021. excl. syn. Aiton. 



A. linariifolius. Herb. Banks, et Lambert. 



Icon. Pluk. aim. t. 14. / 7. 



In sandy fields and pine-barrens : New Jersey to Caro- 

 lina. 11. Aug. — Oct. V.V.; V. s. in Herb. Banks, 

 et Lambert. About a foot or less high ; flowers nearly 

 the size of the preceding, rays a beautiful pale violet- 

 blue, disk yellow. 



