SYNGENESIA SUPERFLUA. 413 



HAB. Fields ond cultivated grounds. Aug. Nov. *> stem 1 in, 

 C> feet high. Variable. 



342. INULA. 



I. helenium. : leaves amplexicaul, ovate, rugose, tomentose beneath ; 



scales of the calyx. 

 HAB. Road sides. July Aug. Tj.; stem 34 feet high; leaves 



large; Jl. yell. . 



343. ASTER. Starwort. 



k Calyx white, green at the summit ; florets of the ray about 5, white. 



A. conyzoides: leaves oval-lanceolate, acute, serrate towards the 

 summit, triply nerved ; the lower ones attenuate at the base ; upper 

 entire ; scales of the calyx oval, obtuse, appressed, slightly reflexed 

 at the summit. 



HAB Woods and copses. July Aug. %. ; stem 2 ft. high ; leav. 

 thick ; cal. cylind. 



* * Florets of the ray numerous ; pappus single. 

 t Leaves entire. 



A. subulatus : smooth ; stem much branched from the base, panicu- 

 late ; leaves long and linear, very acute ; uppermost subulate ; calyx 

 subcylindric, with subulate scales ; radical florets minute. 



HAB. Salt marshes. Aug. Nov. <v) ; stem 12 18 inches high ; 

 Jl. small, purp. 



A. foliolosus : leaves linear-lanceolate, attenuate at each end, acumi- 

 nate ; stem pubescent, paniculate, erect ; branches few-flowered ; 

 calyx imbricate, with linear, acute, appressed scales. 



HAB. Dry fields. Aug. Oct. 7J. ; Jl. small, white. 



A. tenuifolius : leaves linear-lanceolate, tapering at each end, very 

 entire ; margin slightly scabrous : stem smooth, branched, erect, with 

 1-flowered branches; scales of the calyx acute, loose. 



HAB. Fields. Sept. 1\.; stem 2 feet high, pnbesc above ; Jl. sm. 

 pale purp. 



b. dumosus : branches paniculate, with very short leaves. 

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



c. cricoides : leaves linear ; those on the branches short and approxi- 

 mate ; stem smooth. 



HAB. Rocky fields. Sept. Lower leaves long; very smooth; Jl. 



pale purp. 

 A. multijlorus: leaves linear, entire, nearly smooth, somewhat ciliate; 



stem diffusely branched, pubescent, calyx imbricate, squarrose, with 



oblong, ciliate scales. 

 HAB. Rocky fields. Sept. 1\. ; stem 2 feet high, very pubes. ; Jl. v)h. 



disk. yell. 

 A. sparsiflorus : very smooth ; stem sparingly branched, somewhat 



flexuous ; leaves long and succulent ; the inferior ones sublanceo- 



