PLANTS OF SOUTHERN NEW JERSEY. 719 



/. Leaves more or less purple veined. 



Hieracium venosum, p. 722 

 ff. Leaves green. }j^ marianum, p. 722 



dd. CauHne leaves numerous, flowers yellow. 

 e. Achenes flattened. 



/. Truncate, not beaked, leaves pinnatifid. 



[Sonchus oleraceus]* 

 ff. Narrowed at the summit or beaked, leaves pinnatifid or 

 entire. 

 g. Plant glabrous. 



h. Leaves sessile or auriculate at base. 



Lactuca canadensis, p. 720 

 hh. Leaves sagittate, clasping. L. saggittifolia, p. 721 

 gg. Leaves hirsute, at least on the mid-rib below. 



L. hirsuta, p. 720 

 ee. Achenes cylindric or prismatic. 



/. Achenes spindle-shaped or with the summit tapering at 

 maturity. Hieracium gronovii, p. 723 



//. Achenes of uniform diameter. 



g. Peduncles stout, spreading. H. scabrum, p. 722 



gg. Peduncles slendor, ascending. H. marianum, p. 722 



ADOPOGON Necker. 



Adopogon virginicum (L.). Cynthia. 



Tragopogon virginicum Linnseus, Sp. PI. 189. 1753 [Virginia and Canada], 

 Cynthia virginica Knieskern 19. 

 Krigia amplexicaulis Britton 152. 



Moist ground; frequent in the northern counties, becoming 

 less frequent southward in the Middle district, and occasional in 

 the Cape May peninsula. Very sparingly introduced in the Pine 

 Barrens. 



PI. — Mid-May to mid- June. 



Middle District. — Farmingdale, New Egypt, Brown's Mills, Pemberton 

 (NB), Lindenwold (S). 

 Pine Barrens. — Egg Harbor City. 

 Cape May.—Co\A Spring (OHB). 



Adopogon carolinlanum (Walt.). Dwarf Dandelion. 



Hyoseris Caroliniana Walter, El. Car. 194. 1788 [Carolina]. 



Hyoseris ? ram.osissima Barton, EI. Phila. Prodr. 75. 1815 [Sandy fields, 



N. J.]. 

 Krigia dichotoma Nuttall, Gen. II. 127. 1818 [n. n. for last]. 

 Krigia Virginica b. dichotoma Barton, El. Phila. II. 93. 

 Krigia virginica Knieskern 19. — Britton 152. 



* Sow Thistle, a frequent weed. 



