292 SYNGENES1A.— SUPERFLUA. 



fastigiate, clustered ; florets of the ray about 5 

 calyx imbricate, half as long as the disk. 

 HAB. Sandy fields. Aug. U . Stem 18 in. high, 

 slend. ; Jl. small, wh., or purplish. 



4. A. subulatus : smooth ; stem much branched from 



the base, paniculate ; leaves long and linear, very 

 acute; uppermost subulate; calyx subcylindric 

 with subulate scales ; radical florets minute. 

 HAB. Salt marshes. Aug.— Nov. ©! Stem 12 

 — 18 in. high ; Jl. small, purp. 



5. A. foliolosus : leaves linear-lanceolate, attenuate at 



each end, acuminate ; stem pubescent, paniculate^ 

 erect ; branches few-flowered ; calyx imbricate, 

 with linear acute appressed scales. 



HAB. Dry fields. Aug.— Oct. U. FL small, 

 white. 

 3. A. paludosus: stem simple ; leaves linear subulate, 

 smooth, amplexicaul ; peduncles few, one-flow- 

 ered, pubescent, leafy ; calyx squarrose. 



HAB. Open swamps. Aug. U . Stem 3 — 5 Jl. 

 Jl. large, blue ; cal. subfoliaceous. 



7. A. tenuifolius : leaves linear-lanceolate, tapering at 



each end, very entire ; margin slightly scabrous ; 



stem smooth, branched, erect, with 1-flowereu 



branches ; scales of the calyx acute, loose. 

 HAB. Fields. Sept. U . Stem 2 ft. high, pubes. 



above ; Jl. s/n., pale purp. 

 0. dumosus : branches paniculate, with very short 



leaves. 

 HAB. Fields. Sept. FL wh. or pale purp. 

 y. ericoides : leaves linear ; those on the branches 



short and approximate ; stem smooth. 

 HAB. Rocky fields. Sept. Lower leaves long ; 



very smooth : Jl. pale purp. 



8. A. multiflorus : leaves linear, entire, nearly smooth, 



somewhat ciliate ; stem diffusely branched, pu- 

 bescent, calyx imbricate squarrose, with oblong, 



Plllfltc SCJllGS. 



HAB. Rocky fields. Sept. U . Stem 2 ft. high. 



very pubes. ; Jl. wh. ; disk yell. 

 /3. cilmtus: leaves distinctly ciliate ; those of the 



branches very short. 

 HAB. With the preceding. 



