764 REPORT OF NEW JERSEY STATE MUSEUM. 



Doellingeria infirma (Michx.). Cornel-leaved Aster. 



Aster iniirmus Michaux, Fl. Bor. Am. II. 109. 1803 [Canada to Carolina in 



the mountains]. 

 Diplopappiis cornifolius Knieskern 18. 

 Aster cornifolius Britton 140. 

 Doellingeria infirma Keller and Brown 333. 



Frequent in the northern counties, rare within our limits, 

 occurring only in the Middle district. 

 Fl. — Late July to late August. 



Middle District. — Ocean and Monmouth Counties (Kn), Mickleton (C), 

 Swedesboro. 



lONACTIS Greene, 

 lonactis linariifolius (L.). Stiff-leaved Aster. 



PI. cxxv. 



Aster linariifolius Linnaeus, Sp. PI. 874. 1753 [North America]. — Barton, Fl. 



Phila. II. no. 1818.— Britton 139. 

 Diplopappus linariifolius Knieskern 18. 



Dry, sandy ground ; frequent or occasional throughout the 

 State. 



Fl. — Early September to mid-October. 



Middle District. — Farmingdale, New Egypt, Medford (S), Clementon, W. 

 Deptford. 



Pine Barrens. — Manahawkin, Barnegat, Whitings (S), Jones' Mill (S), 

 Atsion (S), Taunton (S), Malaga (S), Albion, Cedar Brook, Atco, Landis- 

 ville, Vineland (S), Pleasant Mills, Egg Harbor City. 



Cape May.— CoU Spring (OHB). 



BACCHARIS L. 



Baccharis halimifolia L. Groundsel Bush. 



PI. CXXL, Fig. I. 



Baccharis halimifolia Linnaeus, Sp. PI. 860. 1753 [Virginia]. — Knieskern 18. 

 — Willis 32. — Britton 141. — Keller and Brown 22o- 



Common along the edges of the salt marshes on the coast and 

 up the larger streams. Rarely in the interior. 



A conspicuous shrub along the thoroughfares and borders of 

 the salt marshes, especially in September, when the seeds are ripe 

 and the bright tufts of silvery white pappus stand out in strong 

 relief against the dark foliage. 



Fl. — Late August to late September. Fr. — Late September 

 to late October. 



