Will) FLOWERS OF NEW YORK 1 69 



Native of Europe and naturalized as a weed in fields and waste places 



throughout the East. 



Rockrose Family 



Cistaceae 



Frostweed; Rockrose 



Crocanthemum canadense (Linnaeus) Britton 



Plate 1 j lb 



Stems erect or diffuse from a perennial root, 5 to 20 inches high, finely 

 canescent and becoming branched. Leaves nearly sessile, linear-oblong to 

 oblanceolate, one-half to i§ inches long, one-third of an inch wide or less, 

 green above, canescent beneath. Flowers bright yellow, usually one or two, 

 1 to 1 § inches broad; sepals five, the two outer ones much smaller; petals 

 five, broadly obovate, soon withering and falling; capsule ovoid, about one- 

 third of an inch long. After the petaliferous flowers fade and fall, the 

 axillary branches elongate and bear numerous apetalous sessile flowers, 

 which develop fruiting capsules about one-sixth of an inch in diameter. 



In sandy fields or rocky soil, Maine to Ontario and Wisconsin, south 

 to North Carolina and Mississippi. Flowering from May to July. 



A closely related species of similar situations, Crocanthemum 

 majus (Linnaeus) Britton, is more canescent, the primary flowers 

 clustered at the summit of the stem and not surpassed by the branches; 

 the secondary or apetalous flowers very small and producing capsules 

 which are only about one-twelfth of an inch in diameter. 



Woolly Hudsonia; False Heather 



Iludsonia tomentosa Nuttall 



Plate 132a 



A diffusely branched, low-tufted or matted perennial, somewhat 

 woody, 3 to 8 inches high, pale and hoary-pubescent, the branches stout and 

 ascending. Leaves small and scalelike, about one-tenth or one-twelfth of 

 an inch long, overlapping one another and appressed to the stem. Flowers 

 numerous, almost sessile or on short, stout stalks less than one-fourth of an 



