WILD FLOWERS OF NEW YORK 297 



high, very numerous and crowded into a dense, nearly flat corymb; invo- 

 lucre oblong-campanulate, its bracts oblong; ray flowers yellow, six to 

 twelve in number; disk flowers only four to six in number. 



In dry, sandy soil, eastern Massachusetts to Florida and Louisiana, 

 and locally inland to Illinois and Wisconsin. Flowering from August to 

 October. 



Blue-stemmed or Wreath Goldenrod 

 Solidago caesia Linnaeus 



Plate 235a 



A smooth, slender plant, the stem often glaucous and usually bluish 

 or purplish, 1 to 3 feet high from a perennial root, and simple or somewhat 

 branched. Leaves oblong-lanceolate or lanceolate, sessile, long pointed at 

 the apex, smooth, sharply toothed, 2 to 6 inches long, one-fourth to \\ 

 inches wide. Heads of flowers one-fourth of an inch high or less, in axillary 

 clusters or racemes, sometimes with some or nearly all of them forming a 

 short terminal thyrsus; bracts of the involucre blunt and appressed. 



In rich or dry woods and thickets, Nova Scotia to Minnesota, south 

 to Florida and Texas. Flowering from August to October. 



Zigzag or Broad-leaved Goldenrod 



Solidago flexicaulis Linnaeus 



Plate 236 



Stems rarely branched, zigzag, 1 to 3 feet high, smooth and angled. 

 Leaves ovate, long pointed at the apex, thin in texture, narrowed and 

 usually abruptly so at the base into margined petioles, smooth or slightly 

 pubescent on the under surface, the margins sharply toothed. Heads of 

 flowers about one-fourth of an inch high in short, axillary, racemose clusters, 

 rarely also in a narrow terminal thyrsus; bracts of the involucre blunt or 

 pointed, appressed. 



In rich woods and thickets, Nova Scotia to New Brunswick and Minne- 

 sota, south to Georgia, Tennessee and Missouri. Flowering in late summer, 

 usually from July to September. 



