SYNGENESIA— JEQ.UALIS. 279 



4. S. acuminatus : peduncles subsquamose ; flowers 



paniculate ; radical leaves subruncinate ; cauline 

 ones ovate, acuminate, petiolate, denticulate in the 

 middle. 

 HAB. Woods. Aug. $ . Stem 4— 5 ft. high ; fl. 

 small, blue. 



5. S. pallidus : raceme compound, terminal ; leaves 



lanceolate-ensiform, amplexicaul, dentate. 

 HAB. Fields. July. U . Stem 2—3 ft. high ; 

 fl. small, yell. 



6. S. Jloridanus : peduncles subsquamose ; flowers pa- 



niculate ; leaves lyrate-runcinate, minutely den 

 tate, petiolate. 

 HAB. Roadsides. Aug. $. Stem 3—5 ft. high : 

 pan. long ; fl. sm., blue. 



7. S. macrophyllus : peduncles hairy, naked ; flowers 



paniculate ; leaves lyrate ; cordate at the base, 

 hairy beneath. 

 HAB. Low grounds. Aug. — Sept. U. Stem 4 — 7 

 ft. hi%h ; fl. large, blue. 



8. S. spinulosus : leaves amplexicaul, oblong, undu- 



late, spinulose ; flower* somewhat umbelled. 

 HAB. Salt marshes. Aug. @. Stem 2 ft. high; 

 pedun. smooth, or subpilose ; fl. yell. 



467. HIERAC1UM. Hawk-weed. Composite. 



1. H. venosum: ?cape naked, paniculate, smooth; 

 leaves obovate-lanceolate a little hairy above, 

 naked beneath, ciliate ; the veins coloured ; calyx 

 smooth. 



HAB. Woods. July— Aug. U. Scape 1— 2 ft. 



high ; leav. rad. ; fl. yell. 

 \\. Gronovii : scape leafy, paniculate : calyx glandu- 

 lar-hairy ; leaves obovate, obtuse, entire, strigose ; 

 midrib beneath very villous. 



IIAB. Dry hills. Aug.— Sept. U. Stem 2 ft. 

 high, nearly naked ; pedicels gland. 

 '. II. pamcutatum : smoothish ; stem erect, lenfy, 

 whitish tomnntose ; pedicels capillary ; leaves lan- 

 ceolate, naked, dentate, membranaceous. 



HAB. Wood-. Ann;.— Sept. U. Stem 1 ft. high . 

 leav. smooth; pedicels long. 



